./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor240678926 <...> Warning: Permanently added '10.128.1.8' (ED25519) to the list of known hosts. execve("./syz-executor240678926", ["./syz-executor240678926"], 0x7ffc411c23c0 /* 10 vars */) = 0 brk(NULL) = 0x555574305000 brk(0x555574305d40) = 0x555574305d40 arch_prctl(ARCH_SET_FS, 0x5555743053c0) = 0 set_tid_address(0x555574305690) = 5066 set_robust_list(0x5555743056a0, 24) = 0 rseq(0x555574305ce0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor240678926", 4096) = 27 getrandom("\xa4\x6a\x39\x3c\x51\x5a\x40\x2a", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555574305d40 brk(0x555574326d40) = 0x555574326d40 brk(0x555574327000) = 0x555574327000 mprotect(0x7fa95d526000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5067 attached , child_tidptr=0x555574305690) = 5067 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] set_robust_list(0x5555743056a0, 24) = 0 ./strace-static-x86_64: Process 5068 attached [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] set_robust_list(0x5555743056a0, 24./strace-static-x86_64: Process 5069 attached [pid 5066] <... clone resumed>, child_tidptr=0x555574305690) = 5068 [pid 5067] <... clone resumed>, child_tidptr=0x555574305690) = 5069 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] set_robust_list(0x5555743056a0, 24 [pid 5068] <... set_robust_list resumed>) = 0 [pid 5069] <... set_robust_list resumed>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5070 attached [pid 5069] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ./strace-static-x86_64: Process 5071 attached [pid 5066] <... clone resumed>, child_tidptr=0x555574305690) = 5070 [pid 5070] set_robust_list(0x5555743056a0, 24 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5071] set_robust_list(0x5555743056a0, 24 [pid 5070] <... set_robust_list resumed>) = 0 [pid 5069] setpgid(0, 0 [pid 5068] <... clone resumed>, child_tidptr=0x555574305690) = 5071 [pid 5071] <... set_robust_list resumed>) = 0 [pid 5071] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5072 attached [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] <... setpgid resumed>) = 0 [pid 5066] <... clone resumed>, child_tidptr=0x555574305690) = 5072 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5072] set_robust_list(0x5555743056a0, 24 [pid 5071] <... prctl resumed>) = 0 [pid 5069] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5072] <... set_robust_list resumed>) = 0 [pid 5071] setpgid(0, 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5071] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 5074 attached ./strace-static-x86_64: Process 5073 attached [pid 5071] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5069] <... openat resumed>) = 3 [pid 5073] set_robust_list(0x5555743056a0, 24 [pid 5071] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5075 attached [pid 5066] <... clone resumed>, child_tidptr=0x555574305690) = 5074 [pid 5073] <... set_robust_list resumed>) = 0 [pid 5074] set_robust_list(0x5555743056a0, 24 [pid 5072] <... clone resumed>, child_tidptr=0x555574305690) = 5075 [pid 5071] write(3, "1000", 4 [pid 5070] <... clone resumed>, child_tidptr=0x555574305690) = 5073 [pid 5069] write(3, "1000", 4 [pid 5075] set_robust_list(0x5555743056a0, 24 [pid 5071] <... write resumed>) = 4 [pid 5073] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5069] <... write resumed>) = 4 [pid 5074] <... set_robust_list resumed>) = 0 [pid 5075] <... set_robust_list resumed>) = 0 [pid 5073] <... prctl resumed>) = 0 [pid 5071] close(3 [pid 5069] close(3 [pid 5075] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5073] setpgid(0, 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5071] <... close resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5075] <... prctl resumed>) = 0 [pid 5073] <... setpgid resumed>) = 0 [pid 5071] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5075] setpgid(0, 0) = 0 [pid 5071] <... futex resumed>) = 0 [pid 5069] <... futex resumed>) = 0 [pid 5075] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5071] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5069] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5071] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5071] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5069] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5075] <... openat resumed>) = 3 [pid 5073] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5071] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5069] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5071] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5069] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5076 attached [pid 5075] write(3, "1000", 4 [pid 5073] <... openat resumed>) = 3 [pid 5071] <... mmap resumed>) = 0x7fa95d43d000 [pid 5069] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5076] set_robust_list(0x5555743056a0, 24 [pid 5075] <... write resumed>) = 4 [pid 5071] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5069] <... mmap resumed>) = 0x7fa95d43d000 [pid 5076] <... set_robust_list resumed>) = 0 [pid 5075] close(3 [pid 5073] write(3, "1000", 4 [pid 5074] <... clone resumed>, child_tidptr=0x555574305690) = 5076 [pid 5071] <... mprotect resumed>) = 0 [pid 5069] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5075] <... close resumed>) = 0 [pid 5076] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5075] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5073] <... write resumed>) = 4 [pid 5071] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5069] <... mprotect resumed>) = 0 [pid 5075] <... futex resumed>) = 0 [pid 5073] close(3) = 0 [pid 5076] <... prctl resumed>) = 0 [pid 5075] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5073] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5076] setpgid(0, 0 [pid 5073] <... futex resumed>) = 0 [pid 5073] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5076] <... setpgid resumed>) = 0 [pid 5073] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5073] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5075] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5071] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5069] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5075] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5071] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5076] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5069] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5073] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5077 attached [pid 5075] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5078 attached [pid 5077] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5075] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5073] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5071] <... clone3 resumed> => {parent_tid=[5077]}, 88) = 5077 [pid 5078] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5077] <... rseq resumed>) = 0 [pid 5076] <... openat resumed>) = 3 [pid 5075] <... mmap resumed>) = 0x7fa95d43d000 [pid 5073] <... mmap resumed>) = 0x7fa95d43d000 [pid 5071] rt_sigprocmask(SIG_SETMASK, [], [pid 5078] <... rseq resumed>) = 0 [pid 5077] set_robust_list(0x7fa95d45d9a0, 24 [pid 5076] write(3, "1000", 4 [pid 5075] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5073] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5071] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5069] <... clone3 resumed> => {parent_tid=[5078]}, 88) = 5078 [pid 5078] set_robust_list(0x7fa95d45d9a0, 24 [pid 5077] <... set_robust_list resumed>) = 0 [pid 5076] <... write resumed>) = 4 [pid 5075] <... mprotect resumed>) = 0 [pid 5073] <... mprotect resumed>) = 0 [pid 5071] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] rt_sigprocmask(SIG_SETMASK, [], [pid 5078] <... set_robust_list resumed>) = 0 [pid 5077] rt_sigprocmask(SIG_SETMASK, [], [pid 5076] close(3 [pid 5075] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5073] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5071] <... futex resumed>) = 0 [pid 5069] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5078] rt_sigprocmask(SIG_SETMASK, [], [pid 5077] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5076] <... close resumed>) = 0 [pid 5078] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5077] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5076] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5075] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5073] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5071] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5077] <... bpf resumed>) = 3 [pid 5076] <... futex resumed>) = 0 [pid 5075] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5073] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5069] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5079 attached [pid 5078] <... bpf resumed>) = 3 [pid 5077] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5076] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5069] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5080 attached [pid 5078] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] <... futex resumed>) = 1 [pid 5076] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5075] <... clone3 resumed> => {parent_tid=[5079]}, 88) = 5079 [pid 5073] <... clone3 resumed> => {parent_tid=[5080]}, 88) = 5080 [pid 5071] <... futex resumed>) = 0 [pid 5069] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5080] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5077] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5076] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5075] rt_sigprocmask(SIG_SETMASK, [], [pid 5078] <... futex resumed>) = 0 [pid 5073] rt_sigprocmask(SIG_SETMASK, [], [pid 5071] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] <... rseq resumed>) = 0 [pid 5078] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5077] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5076] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5075] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5073] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5071] <... futex resumed>) = 0 [pid 5069] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] set_robust_list(0x7fa95d45d9a0, 24 [pid 5079] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5078] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5077] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5076] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5075] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5073] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] <... set_robust_list resumed>) = 0 [pid 5079] <... rseq resumed>) = 0 [pid 5078] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5076] <... mmap resumed>) = 0x7fa95d43d000 [pid 5075] <... futex resumed>) = 0 [pid 5073] <... futex resumed>) = 0 [pid 5071] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] <... futex resumed>) = 0 [pid 5080] rt_sigprocmask(SIG_SETMASK, [], [pid 5077] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5076] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5075] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5073] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5071] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5069] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5077] <... futex resumed>) = 0 [pid 5076] <... mprotect resumed>) = 0 [pid 5071] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5079] set_robust_list(0x7fa95d45d9a0, 24 [pid 5080] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5079] <... set_robust_list resumed>) = 0 [pid 5078] <... futex resumed>) = 0 [pid 5077] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5076] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5071] <... futex resumed>) = 0 [pid 5069] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] <... bpf resumed>) = 3 [pid 5079] rt_sigprocmask(SIG_SETMASK, [], [pid 5078] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5077] <... bpf resumed>) = 4 [pid 5076] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5071] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] <... futex resumed>) = 0 [pid 5080] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5077] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5076] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5069] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5081 attached [pid 5080] <... futex resumed>) = 1 [pid 5079] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5078] <... bpf resumed>) = 4 [pid 5077] <... futex resumed>) = 1 [pid 5073] <... futex resumed>) = 0 [pid 5071] <... futex resumed>) = 0 [pid 5081] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5080] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5079] <... bpf resumed>) = 3 [pid 5078] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5076] <... clone3 resumed> => {parent_tid=[5081]}, 88) = 5081 [pid 5073] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] <... rseq resumed>) = 0 [pid 5080] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5079] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... futex resumed>) = 1 [pid 5077] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5076] rt_sigprocmask(SIG_SETMASK, [], [pid 5073] <... futex resumed>) = 0 [pid 5071] <... futex resumed>) = 0 [pid 5069] <... futex resumed>) = 0 [pid 5081] set_robust_list(0x7fa95d45d9a0, 24 [pid 5080] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5079] <... futex resumed>) = 1 [pid 5078] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5077] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5075] <... futex resumed>) = 0 [pid 5081] <... set_robust_list resumed>) = 0 [pid 5079] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5078] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5076] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5073] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5071] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5069] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] rt_sigprocmask(SIG_SETMASK, [], [pid 5078] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5076] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... futex resumed>) = 0 [pid 5080] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5078] <... bpf resumed>) = 5 [pid 5077] <... bpf resumed>) = 5 [pid 5076] <... futex resumed>) = 0 [pid 5075] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5080] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5075] <... futex resumed>) = 1 [pid 5073] <... futex resumed>) = 0 [pid 5079] <... futex resumed>) = 0 [pid 5081] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5079] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5076] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5073] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5080] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5079] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5078] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5075] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5073] <... futex resumed>) = 0 [pid 5081] <... bpf resumed>) = 3 [pid 5080] <... bpf resumed>) = 4 [pid 5079] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] <... futex resumed>) = 1 [pid 5075] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5073] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5071] <... futex resumed>) = 0 [pid 5081] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... futex resumed>) = 0 [pid 5077] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5075] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... futex resumed>) = 1 [pid 5073] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5071] exit_group(0 [pid 5069] <... futex resumed>) = 0 [pid 5081] <... futex resumed>) = 1 [pid 5080] <... futex resumed>) = 0 [pid 5079] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5078] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5077] <... futex resumed>) = ? [pid 5076] <... futex resumed>) = 0 [pid 5075] <... futex resumed>) = 0 [pid 5073] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] <... exit_group resumed>) = ? [pid 5069] exit_group(0 [pid 5081] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5080] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5079] <... bpf resumed>) = 4 [pid 5078] <... futex resumed>) = ? [pid 5077] +++ exited with 0 +++ [pid 5076] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5075] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5073] <... futex resumed>) = 0 [pid 5071] +++ exited with 0 +++ [pid 5069] <... exit_group resumed>) = ? [pid 5081] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5080] <... bpf resumed>) = 5 [pid 5078] +++ exited with 0 +++ [pid 5076] <... futex resumed>) = 0 [pid 5073] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5071, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5081] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5076] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5081] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5080] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] <... futex resumed>) = 1 [pid 5073] <... futex resumed>) = 0 [pid 5080] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5073] exit_group(0 [pid 5081] <... futex resumed>) = 1 [pid 5080] <... futex resumed>) = ? [pid 5076] <... futex resumed>) = 0 [pid 5073] <... exit_group resumed>) = ? [pid 5081] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5080] +++ exited with 0 +++ [pid 5079] <... futex resumed>) = 1 [pid 5076] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5075] <... futex resumed>) = 0 [pid 5075] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5076] <... futex resumed>) = 0 [pid 5076] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5075] <... futex resumed>) = 0 [pid 5081] <... bpf resumed>) = 4 [pid 5075] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5081] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5082 attached [pid 5076] <... futex resumed>) = 0 [pid 5082] set_robust_list(0x5555743056a0, 24 [pid 5081] <... futex resumed>) = 1 [pid 5076] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... clone resumed>, child_tidptr=0x555574305690) = 5082 [pid 5082] <... set_robust_list resumed>) = 0 [pid 5081] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5076] <... futex resumed>) = 0 [pid 5076] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5082] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5082] setpgid(0, 0) = 0 [pid 5082] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5082] write(3, "1000", 4) = 4 [pid 5082] close(3) = 0 [pid 5082] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5082] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, NULL, 8) = 0 [pid 5082] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5082] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fa95d43d000 [pid 5082] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5082] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5082] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0}./strace-static-x86_64: Process 5083 attached [pid 5073] +++ exited with 0 +++ [pid 5083] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5082] <... clone3 resumed> => {parent_tid=[5083]}, 88) = 5083 [pid 5069] +++ exited with 0 +++ [pid 5083] <... rseq resumed>) = 0 [pid 5082] rt_sigprocmask(SIG_SETMASK, [], [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5073, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5083] set_robust_list(0x7fa95d45d9a0, 24 [pid 5082] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5069, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5083] <... set_robust_list resumed>) = 0 [pid 5082] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... restart_syscall resumed>) = 0 [pid 5067] restart_syscall(<... resuming interrupted clone ...> [pid 5083] rt_sigprocmask(SIG_SETMASK, [], [pid 5082] <... futex resumed>) = 0 [pid 5083] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5082] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] <... restart_syscall resumed>) = 0 [pid 5083] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5084 attached [pid 5083] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5084] set_robust_list(0x5555743056a0, 24 [pid 5083] <... futex resumed>) = 1 [pid 5082] <... futex resumed>) = 0 [pid 5082] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5082] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5085 attached [pid 5084] <... set_robust_list resumed>) = 0 [pid 5083] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5070] <... clone resumed>, child_tidptr=0x555574305690) = 5084 [pid 5085] set_robust_list(0x5555743056a0, 24 [pid 5084] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5085] <... set_robust_list resumed>) = 0 [pid 5083] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5067] <... clone resumed>, child_tidptr=0x555574305690) = 5085 [pid 5085] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5084] <... prctl resumed>) = 0 [pid 5083] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5085] <... prctl resumed>) = 0 [pid 5084] setpgid(0, 0 [pid 5083] <... futex resumed>) = 1 [pid 5082] <... futex resumed>) = 0 [pid 5085] setpgid(0, 0 [pid 5084] <... setpgid resumed>) = 0 [pid 5083] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5082] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5085] <... setpgid resumed>) = 0 [pid 5084] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5083] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5082] <... futex resumed>) = 0 [pid 5083] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5082] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5084] <... openat resumed>) = 3 [pid 5085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5084] write(3, "1000", 4 [pid 5083] <... bpf resumed>) = 4 [pid 5085] write(3, "1000", 4 [pid 5083] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... bpf resumed>) = 5 [pid 5085] <... write resumed>) = 4 [pid 5084] <... write resumed>) = 4 [pid 5083] <... futex resumed>) = 1 [pid 5082] <... futex resumed>) = 0 [pid 5081] <... bpf resumed>) = 5 [pid 5079] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5085] close(3 [pid 5084] close(3 [pid 5083] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5082] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... futex resumed>) = 1 [pid 5075] <... futex resumed>) = 0 [pid 5085] <... close resumed>) = 0 [pid 5084] <... close resumed>) = 0 [pid 5083] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5082] <... futex resumed>) = 0 [pid 5081] <... futex resumed>) = 1 [pid 5079] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5076] <... futex resumed>) = 0 [pid 5075] exit_group(0 [pid 5085] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5084] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5082] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5081] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5079] <... futex resumed>) = ? [pid 5076] exit_group(0 [pid 5075] <... exit_group resumed>) = ? [pid 5085] <... futex resumed>) = 0 [pid 5084] <... futex resumed>) = 0 [pid 5083] <... bpf resumed>) = 5 [pid 5081] <... futex resumed>) = ? [pid 5079] +++ exited with 0 +++ [pid 5076] <... exit_group resumed>) = ? [pid 5075] +++ exited with 0 +++ [pid 5085] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5084] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5083] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] +++ exited with 0 +++ [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5075, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5085] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5084] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5083] <... futex resumed>) = 1 [pid 5082] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5086 attached [pid 5085] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5084] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5083] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5082] exit_group(0 [pid 5086] set_robust_list(0x5555743056a0, 24 [pid 5085] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5084] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5086] <... set_robust_list resumed>) = 0 [pid 5085] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5084] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5086] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5082] <... exit_group resumed>) = ? [pid 5072] <... clone resumed>, child_tidptr=0x555574305690) = 5086 [pid 5086] <... prctl resumed>) = 0 [pid 5085] <... mmap resumed>) = 0x7fa95d43d000 [pid 5084] <... mmap resumed>) = 0x7fa95d43d000 [pid 5083] <... futex resumed>) = ? [pid 5086] setpgid(0, 0 [pid 5085] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5086] <... setpgid resumed>) = 0 [pid 5085] <... mprotect resumed>) = 0 [pid 5084] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5086] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5085] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5084] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5085] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5085] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5084] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5076] +++ exited with 0 +++ [pid 5086] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5087 attached [pid 5086] write(3, "1000", 4 [pid 5084] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5083] +++ exited with 0 +++ [pid 5082] +++ exited with 0 +++ [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5076, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- ./strace-static-x86_64: Process 5088 attached [pid 5087] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5086] <... write resumed>) = 4 [pid 5085] <... clone3 resumed> => {parent_tid=[5087]}, 88) = 5087 [pid 5074] restart_syscall(<... resuming interrupted clone ...> [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5082, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5088] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5087] <... rseq resumed>) = 0 [pid 5086] close(3 [pid 5085] rt_sigprocmask(SIG_SETMASK, [], [pid 5084] <... clone3 resumed> => {parent_tid=[5088]}, 88) = 5088 [pid 5074] <... restart_syscall resumed>) = 0 [pid 5088] <... rseq resumed>) = 0 [pid 5087] set_robust_list(0x7fa95d45d9a0, 24 [pid 5086] <... close resumed>) = 0 [pid 5085] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5084] rt_sigprocmask(SIG_SETMASK, [], [pid 5088] set_robust_list(0x7fa95d45d9a0, 24 [pid 5087] <... set_robust_list resumed>) = 0 [pid 5086] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5085] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5084] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5088] <... set_robust_list resumed>) = 0 [pid 5087] rt_sigprocmask(SIG_SETMASK, [], [pid 5086] <... futex resumed>) = 0 [pid 5085] <... futex resumed>) = 0 [pid 5084] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5089 attached [pid 5088] rt_sigprocmask(SIG_SETMASK, [], [pid 5087] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5086] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5085] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5084] <... futex resumed>) = 0 [pid 5089] set_robust_list(0x5555743056a0, 24 [pid 5088] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5087] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5086] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5089] <... set_robust_list resumed>) = 0 [pid 5088] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5087] <... bpf resumed>) = 3 [pid 5086] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5084] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5090 attached [pid 5089] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5088] <... bpf resumed>) = 3 [pid 5087] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5086] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x555574305690) = 5089 [pid 5090] set_robust_list(0x5555743056a0, 24 [pid 5089] <... prctl resumed>) = 0 [pid 5088] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5087] <... futex resumed>) = 1 [pid 5086] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5085] <... futex resumed>) = 0 [pid 5090] <... set_robust_list resumed>) = 0 [pid 5089] setpgid(0, 0 [pid 5088] <... futex resumed>) = 1 [pid 5087] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5086] <... mmap resumed>) = 0x7fa95d43d000 [pid 5085] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5084] <... futex resumed>) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x555574305690) = 5090 [pid 5090] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5089] <... setpgid resumed>) = 0 [pid 5088] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5087] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5086] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5085] <... futex resumed>) = 0 [pid 5084] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5090] <... prctl resumed>) = 0 [pid 5089] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5088] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5087] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5086] <... mprotect resumed>) = 0 [pid 5085] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5084] <... futex resumed>) = 0 [pid 5090] setpgid(0, 0 [pid 5089] <... openat resumed>) = 3 [pid 5088] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5087] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5086] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5084] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5090] <... setpgid resumed>) = 0 [pid 5089] write(3, "1000", 4 [pid 5088] <... futex resumed>) = 0 [pid 5087] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5086] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5084] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5090] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5089] <... write resumed>) = 4 [pid 5088] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5087] <... futex resumed>) = 1 [pid 5086] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5085] <... futex resumed>) = 0 [pid 5084] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5091 attached [pid 5090] <... openat resumed>) = 3 [pid 5089] close(3 [pid 5088] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5087] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5085] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5084] <... futex resumed>) = 0 [pid 5091] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5090] write(3, "1000", 4 [pid 5089] <... close resumed>) = 0 [pid 5088] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5087] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5086] <... clone3 resumed> => {parent_tid=[5091]}, 88) = 5091 [pid 5085] <... futex resumed>) = 0 [pid 5084] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5091] <... rseq resumed>) = 0 [pid 5090] <... write resumed>) = 4 [pid 5089] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5087] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5085] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5091] set_robust_list(0x7fa95d45d9a0, 24 [pid 5090] close(3 [pid 5089] <... futex resumed>) = 0 [pid 5088] <... bpf resumed>) = 4 [pid 5086] rt_sigprocmask(SIG_SETMASK, [], [pid 5091] <... set_robust_list resumed>) = 0 [pid 5090] <... close resumed>) = 0 [pid 5089] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5088] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5087] <... bpf resumed>) = 4 [pid 5086] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5091] rt_sigprocmask(SIG_SETMASK, [], [pid 5090] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5089] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5088] <... futex resumed>) = 1 [pid 5087] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5086] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5084] <... futex resumed>) = 0 [pid 5091] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5090] <... futex resumed>) = 0 [pid 5089] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5088] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5087] <... futex resumed>) = 1 [pid 5086] <... futex resumed>) = 0 [pid 5085] <... futex resumed>) = 0 [pid 5084] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5091] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5090] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5089] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5088] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5087] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5086] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5085] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5084] <... futex resumed>) = 0 [pid 5091] <... bpf resumed>) = 3 [pid 5090] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5089] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5088] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5087] <... bpf resumed>) = 5 [pid 5085] <... futex resumed>) = 0 [pid 5084] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5091] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5090] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5089] <... mmap resumed>) = 0x7fa95d43d000 [pid 5088] <... bpf resumed>) = 5 [pid 5087] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5085] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5091] <... futex resumed>) = 1 [pid 5090] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5089] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5088] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5087] <... futex resumed>) = 0 [pid 5086] <... futex resumed>) = 0 [pid 5085] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5091] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5090] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5089] <... mprotect resumed>) = 0 [pid 5088] <... futex resumed>) = 1 [pid 5087] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5086] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5085] exit_group(0 [pid 5084] <... futex resumed>) = 0 [pid 5091] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5090] <... mmap resumed>) = 0x7fa95d43d000 [pid 5089] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5088] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5087] <... futex resumed>) = ? [pid 5086] <... futex resumed>) = 0 [pid 5085] <... exit_group resumed>) = ? [pid 5084] exit_group(0 [pid 5091] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5090] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5089] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5088] <... futex resumed>) = ? [pid 5087] +++ exited with 0 +++ [pid 5086] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5084] <... exit_group resumed>) = ? [pid 5091] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5090] <... mprotect resumed>) = 0 [pid 5089] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5088] +++ exited with 0 +++ ./strace-static-x86_64: Process 5092 attached [pid 5091] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5090] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5092] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5091] <... futex resumed>) = 1 [pid 5090] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5089] <... clone3 resumed> => {parent_tid=[5092]}, 88) = 5092 [pid 5086] <... futex resumed>) = 0 [pid 5092] <... rseq resumed>) = 0 [pid 5091] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5090] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5089] rt_sigprocmask(SIG_SETMASK, [], [pid 5086] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5093 attached [pid 5092] set_robust_list(0x7fa95d45d9a0, 24 [pid 5091] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5089] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5086] <... futex resumed>) = 0 [pid 5093] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5092] <... set_robust_list resumed>) = 0 [pid 5091] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5090] <... clone3 resumed> => {parent_tid=[5093]}, 88) = 5093 [pid 5089] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5086] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5093] <... rseq resumed>) = 0 [pid 5092] rt_sigprocmask(SIG_SETMASK, [], [pid 5093] set_robust_list(0x7fa95d45d9a0, 24 [pid 5092] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5091] <... bpf resumed>) = 4 [pid 5090] rt_sigprocmask(SIG_SETMASK, [], [pid 5089] <... futex resumed>) = 0 [pid 5093] <... set_robust_list resumed>) = 0 [pid 5092] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5091] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5090] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5089] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5093] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5092] <... bpf resumed>) = 3 [pid 5091] <... futex resumed>) = 1 [pid 5090] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5086] <... futex resumed>) = 0 [pid 5093] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5092] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5091] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5090] <... futex resumed>) = 0 [pid 5086] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5093] <... bpf resumed>) = 3 [pid 5092] <... futex resumed>) = 1 [pid 5090] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5089] <... futex resumed>) = 0 [pid 5086] <... futex resumed>) = 0 [pid 5093] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5092] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5090] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5089] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5086] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5093] <... futex resumed>) = 0 [pid 5092] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5090] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5089] <... futex resumed>) = 0 [pid 5093] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5092] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5090] <... futex resumed>) = 0 [pid 5089] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5093] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5092] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5090] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5093] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5092] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5090] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5093] <... futex resumed>) = 0 [pid 5092] <... futex resumed>) = 1 [pid 5090] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5089] <... futex resumed>) = 0 [pid 5093] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5092] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5090] <... futex resumed>) = 0 [pid 5089] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5092] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5093] <... bpf resumed>) = 4 [pid 5092] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5090] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5089] <... futex resumed>) = 0 [pid 5093] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5090] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5089] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5093] <... futex resumed>) = 0 [pid 5092] <... bpf resumed>) = 4 [pid 5090] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5093] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5092] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5090] <... futex resumed>) = 0 [pid 5085] +++ exited with 0 +++ [pid 5093] <... bpf resumed>) = 5 [pid 5092] <... futex resumed>) = 1 [pid 5090] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5089] <... futex resumed>) = 0 [pid 5093] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5092] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5089] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5093] <... futex resumed>) = 1 [pid 5092] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5090] <... futex resumed>) = 0 [pid 5089] <... futex resumed>) = 0 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5085, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5093] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5092] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5090] exit_group(0 [pid 5089] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5093] <... futex resumed>) = ? [pid 5090] <... exit_group resumed>) = ? [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5093] +++ exited with 0 +++ ./strace-static-x86_64: Process 5094 attached [pid 5094] set_robust_list(0x5555743056a0, 24) = 0 [pid 5094] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5067] <... clone resumed>, child_tidptr=0x555574305690) = 5094 [pid 5094] <... prctl resumed>) = 0 [pid 5094] setpgid(0, 0) = 0 [pid 5094] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5092] <... bpf resumed>) = 5 [pid 5091] <... bpf resumed>) = 5 [pid 5090] +++ exited with 0 +++ [pid 5084] +++ exited with 0 +++ [pid 5094] write(3, "1000", 4 [pid 5092] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5091] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5084, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5090, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5094] <... write resumed>) = 4 [pid 5091] <... futex resumed>) = 1 [pid 5094] close(3 [pid 5092] <... futex resumed>) = 1 [pid 5089] <... futex resumed>) = 0 [pid 5086] <... futex resumed>) = 0 [pid 5094] <... close resumed>) = 0 [pid 5092] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5091] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5089] exit_group(0 [pid 5086] exit_group(0 [pid 5092] <... futex resumed>) = ? [pid 5091] <... futex resumed>) = ? [pid 5089] <... exit_group resumed>) = ? [pid 5086] <... exit_group resumed>) = ? [pid 5094] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5092] +++ exited with 0 +++ [pid 5091] +++ exited with 0 +++ [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5095 attached [pid 5094] <... futex resumed>) = 0 [pid 5095] set_robust_list(0x5555743056a0, 24 [pid 5094] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, ./strace-static-x86_64: Process 5096 attached [pid 5095] <... set_robust_list resumed>) = 0 [pid 5096] set_robust_list(0x5555743056a0, 24 [pid 5095] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5094] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5094] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5094] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fa95d43d000 [pid 5094] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5070] <... clone resumed>, child_tidptr=0x555574305690) = 5096 [pid 5096] <... set_robust_list resumed>) = 0 [pid 5095] <... prctl resumed>) = 0 [pid 5094] <... mprotect resumed>) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x555574305690) = 5095 [pid 5096] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5095] setpgid(0, 0 [pid 5094] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5095] <... setpgid resumed>) = 0 [pid 5096] <... prctl resumed>) = 0 [pid 5094] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0}./strace-static-x86_64: Process 5097 attached [pid 5096] setpgid(0, 0 [pid 5095] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5097] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5096] <... setpgid resumed>) = 0 [pid 5097] <... rseq resumed>) = 0 [pid 5095] <... openat resumed>) = 3 [pid 5094] <... clone3 resumed> => {parent_tid=[5097]}, 88) = 5097 [pid 5097] set_robust_list(0x7fa95d45d9a0, 24 [pid 5096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5094] rt_sigprocmask(SIG_SETMASK, [], [pid 5097] <... set_robust_list resumed>) = 0 [pid 5095] write(3, "1000", 4 [pid 5094] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5094] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5094] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5096] <... openat resumed>) = 3 [pid 5097] rt_sigprocmask(SIG_SETMASK, [], [pid 5095] <... write resumed>) = 4 [pid 5097] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5096] write(3, "1000", 4 [pid 5095] close(3) = 0 [pid 5097] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5096] <... write resumed>) = 4 [pid 5097] <... bpf resumed>) = 3 [pid 5095] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5096] close(3) = 0 [pid 5095] <... futex resumed>) = 0 [pid 5097] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5096] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5095] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5097] <... futex resumed>) = 1 [pid 5096] <... futex resumed>) = 0 [pid 5095] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5094] <... futex resumed>) = 0 [pid 5097] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5096] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5095] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5094] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5097] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5096] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5095] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5094] <... futex resumed>) = 0 [pid 5097] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5096] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5095] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5094] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5097] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5096] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5095] <... mmap resumed>) = 0x7fa95d43d000 [pid 5097] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5096] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5095] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5097] <... futex resumed>) = 1 [pid 5094] <... futex resumed>) = 0 [pid 5097] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5096] <... mmap resumed>) = 0x7fa95d43d000 [pid 5095] <... mprotect resumed>) = 0 [pid 5094] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5097] <... bpf resumed>) = 4 [pid 5094] <... futex resumed>) = 0 [pid 5094] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5086] +++ exited with 0 +++ [pid 5096] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5095] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5097] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5096] <... mprotect resumed>) = 0 [pid 5095] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5089] +++ exited with 0 +++ [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5086, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5097] <... futex resumed>) = 1 [pid 5096] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5095] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5094] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5098 attached [pid 5097] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5096] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5094] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5089, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5098] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5097] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5096] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5095] <... clone3 resumed> => {parent_tid=[5098]}, 88) = 5098 [pid 5094] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5099 attached [pid 5098] <... rseq resumed>) = 0 [pid 5097] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5095] rt_sigprocmask(SIG_SETMASK, [], [pid 5094] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5074] restart_syscall(<... resuming interrupted clone ...> [pid 5099] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5098] set_robust_list(0x7fa95d45d9a0, 24 [pid 5096] <... clone3 resumed> => {parent_tid=[5099]}, 88) = 5099 [pid 5095] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5074] <... restart_syscall resumed>) = 0 [pid 5099] <... rseq resumed>) = 0 [pid 5098] <... set_robust_list resumed>) = 0 [pid 5096] rt_sigprocmask(SIG_SETMASK, [], [pid 5095] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5099] set_robust_list(0x7fa95d45d9a0, 24 [pid 5098] rt_sigprocmask(SIG_SETMASK, [], [pid 5096] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5095] <... futex resumed>) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5100 attached [pid 5099] <... set_robust_list resumed>) = 0 [pid 5098] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5096] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5095] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5101 attached [pid 5100] set_robust_list(0x5555743056a0, 24 [pid 5099] rt_sigprocmask(SIG_SETMASK, [], [pid 5098] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5096] <... futex resumed>) = 0 [pid 5101] set_robust_list(0x5555743056a0, 24 [pid 5100] <... set_robust_list resumed>) = 0 [pid 5096] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5098] <... bpf resumed>) = 3 [pid 5101] <... set_robust_list resumed>) = 0 [pid 5100] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5099] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5098] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] <... clone resumed>, child_tidptr=0x555574305690) = 5100 [pid 5101] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5100] <... prctl resumed>) = 0 [pid 5099] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5098] <... futex resumed>) = 1 [pid 5095] <... futex resumed>) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x555574305690) = 5101 [pid 5101] <... prctl resumed>) = 0 [pid 5100] setpgid(0, 0 [pid 5099] <... bpf resumed>) = 3 [pid 5098] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5095] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5101] setpgid(0, 0 [pid 5100] <... setpgid resumed>) = 0 [pid 5099] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5098] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5095] <... futex resumed>) = 0 [pid 5101] <... setpgid resumed>) = 0 [pid 5100] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5099] <... futex resumed>) = 1 [pid 5098] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5097] <... bpf resumed>) = 5 [pid 5096] <... futex resumed>) = 0 [pid 5095] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5101] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5100] <... openat resumed>) = 3 [pid 5099] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5098] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5097] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5096] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5101] <... openat resumed>) = 3 [pid 5100] write(3, "1000", 4 [pid 5099] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5098] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5097] <... futex resumed>) = 1 [pid 5096] <... futex resumed>) = 0 [pid 5101] write(3, "1000", 4 [pid 5100] <... write resumed>) = 4 [pid 5099] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5098] <... futex resumed>) = 1 [pid 5097] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5096] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5095] <... futex resumed>) = 0 [pid 5094] <... futex resumed>) = 0 [pid 5101] <... write resumed>) = 4 [pid 5100] close(3 [pid 5099] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5098] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5095] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5094] exit_group(0 [pid 5101] close(3 [pid 5100] <... close resumed>) = 0 [pid 5099] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5098] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5097] <... futex resumed>) = ? [pid 5095] <... futex resumed>) = 0 [pid 5094] <... exit_group resumed>) = ? [pid 5101] <... close resumed>) = 0 [pid 5100] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5099] <... futex resumed>) = 1 [pid 5098] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5096] <... futex resumed>) = 0 [pid 5099] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5096] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5101] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5100] <... futex resumed>) = 0 [pid 5099] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5097] +++ exited with 0 +++ [pid 5096] <... futex resumed>) = 0 [pid 5095] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5094] +++ exited with 0 +++ [pid 5101] <... futex resumed>) = 0 [pid 5100] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5099] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5098] <... bpf resumed>) = 4 [pid 5096] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5094, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5101] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5100] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5099] <... bpf resumed>) = 4 [pid 5098] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5101] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5100] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5099] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5098] <... futex resumed>) = 1 [pid 5095] <... futex resumed>) = 0 [pid 5101] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5100] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5099] <... futex resumed>) = 1 [pid 5098] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5096] <... futex resumed>) = 0 [pid 5095] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5101] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5100] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5099] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5098] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5096] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5095] <... futex resumed>) = 0 [pid 5101] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5100] <... mmap resumed>) = 0x7fa95d43d000 [pid 5099] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5098] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5096] <... futex resumed>) = 0 [pid 5095] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5101] <... mmap resumed>) = 0x7fa95d43d000 [pid 5100] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5099] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5096] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5101] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5100] <... mprotect resumed>) = 0 [pid 5101] <... mprotect resumed>) = 0 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5100] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5101] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5100] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 5102 attached [pid 5101] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5100] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0}./strace-static-x86_64: Process 5103 attached [pid 5102] set_robust_list(0x5555743056a0, 24 [pid 5101] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5103] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5102] <... set_robust_list resumed>) = 0 [pid 5103] <... rseq resumed>) = 0 [pid 5100] <... clone3 resumed> => {parent_tid=[5103]}, 88) = 5103 [pid 5103] set_robust_list(0x7fa95d45d9a0, 24./strace-static-x86_64: Process 5104 attached ) = 0 [pid 5102] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5101] <... clone3 resumed> => {parent_tid=[5104]}, 88) = 5104 [pid 5100] rt_sigprocmask(SIG_SETMASK, [], [pid 5067] <... clone resumed>, child_tidptr=0x555574305690) = 5102 [pid 5104] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5103] rt_sigprocmask(SIG_SETMASK, [], [pid 5102] <... prctl resumed>) = 0 [pid 5101] rt_sigprocmask(SIG_SETMASK, [], [pid 5100] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5104] <... rseq resumed>) = 0 [pid 5103] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5102] setpgid(0, 0 [pid 5101] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5100] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5104] set_robust_list(0x7fa95d45d9a0, 24 [pid 5103] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5102] <... setpgid resumed>) = 0 [pid 5101] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5100] <... futex resumed>) = 0 [pid 5099] <... bpf resumed>) = 5 [pid 5098] <... bpf resumed>) = 5 [pid 5104] <... set_robust_list resumed>) = 0 [pid 5104] rt_sigprocmask(SIG_SETMASK, [], [pid 5103] <... bpf resumed>) = 3 [pid 5102] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5101] <... futex resumed>) = 0 [pid 5100] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5099] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5098] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5104] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5103] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5102] <... openat resumed>) = 3 [pid 5101] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5100] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5099] <... futex resumed>) = 1 [pid 5098] <... futex resumed>) = 1 [pid 5096] <... futex resumed>) = 0 [pid 5095] <... futex resumed>) = 0 [pid 5104] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5103] <... futex resumed>) = 0 [pid 5102] write(3, "1000", 4 [pid 5100] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5099] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5098] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5096] exit_group(0 [pid 5095] exit_group(0 [pid 5104] <... bpf resumed>) = 3 [pid 5103] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5102] <... write resumed>) = 4 [pid 5100] <... futex resumed>) = 0 [pid 5098] <... futex resumed>) = ? [pid 5095] <... exit_group resumed>) = ? [pid 5104] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5102] close(3 [pid 5100] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5098] +++ exited with 0 +++ [pid 5103] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5104] <... futex resumed>) = 1 [pid 5102] <... close resumed>) = 0 [pid 5101] <... futex resumed>) = 0 [pid 5099] <... futex resumed>) = ? [pid 5096] <... exit_group resumed>) = ? [pid 5104] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5102] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5101] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5103] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5101] <... futex resumed>) = 0 [pid 5099] +++ exited with 0 +++ [pid 5104] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5102] <... futex resumed>) = 0 [pid 5101] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5104] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5103] <... futex resumed>) = 1 [pid 5102] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5100] <... futex resumed>) = 0 [pid 5104] <... futex resumed>) = 1 [pid 5103] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5102] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5101] <... futex resumed>) = 0 [pid 5100] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5104] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5103] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5102] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5101] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5100] <... futex resumed>) = 0 [pid 5104] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5103] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5102] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5101] <... futex resumed>) = 0 [pid 5100] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5104] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5103] <... bpf resumed>) = 4 [pid 5104] <... bpf resumed>) = 4 [pid 5103] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5102] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5101] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5096] +++ exited with 0 +++ [pid 5095] +++ exited with 0 +++ [pid 5104] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5103] <... futex resumed>) = 1 [pid 5102] <... mmap resumed>) = 0x7fa95d43d000 [pid 5101] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5100] <... futex resumed>) = 0 [pid 5104] <... futex resumed>) = 0 [pid 5103] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5102] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5101] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5100] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5096, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5095, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5104] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5102] <... mprotect resumed>) = 0 [pid 5101] <... futex resumed>) = 0 [pid 5100] <... futex resumed>) = 0 [pid 5102] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5101] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5100] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 5102] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5105 attached [pid 5102] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5070] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 5106 attached [pid 5105] set_robust_list(0x5555743056a0, 24 [pid 5102] <... clone3 resumed> => {parent_tid=[5106]}, 88) = 5106 [pid 5106] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5105] <... set_robust_list resumed>) = 0 [pid 5102] rt_sigprocmask(SIG_SETMASK, [], [pid 5106] <... rseq resumed>) = 0 [pid 5105] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5102] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x555574305690) = 5105 [pid 5106] set_robust_list(0x7fa95d45d9a0, 24 [pid 5102] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5106] <... set_robust_list resumed>) = 0 [pid 5105] <... prctl resumed>) = 0 [pid 5102] <... futex resumed>) = 0 [pid 5105] setpgid(0, 0 [pid 5102] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5107 attached [pid 5106] rt_sigprocmask(SIG_SETMASK, [], [pid 5105] <... setpgid resumed>) = 0 [pid 5106] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5107] set_robust_list(0x5555743056a0, 24 [pid 5105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5106] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5105] <... openat resumed>) = 3 [pid 5070] <... clone resumed>, child_tidptr=0x555574305690) = 5107 [pid 5106] <... bpf resumed>) = 3 [pid 5106] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5105] write(3, "1000", 4 [pid 5106] <... futex resumed>) = 1 [pid 5102] <... futex resumed>) = 0 [pid 5105] <... write resumed>) = 4 [pid 5106] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5102] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5105] close(3 [pid 5106] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5105] <... close resumed>) = 0 [pid 5102] <... futex resumed>) = 0 [pid 5106] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5105] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5102] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5106] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5107] <... set_robust_list resumed>) = 0 [pid 5105] <... futex resumed>) = 0 [pid 5104] <... bpf resumed>) = 5 [pid 5103] <... bpf resumed>) = 5 [pid 5106] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5107] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5106] <... futex resumed>) = 1 [pid 5105] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5102] <... futex resumed>) = 0 [pid 5106] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5105] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5102] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5106] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5105] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5102] <... futex resumed>) = 0 [pid 5106] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5105] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5102] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5107] <... prctl resumed>) = 0 [pid 5104] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5103] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5107] setpgid(0, 0 [pid 5106] <... bpf resumed>) = 4 [pid 5105] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5104] <... futex resumed>) = 1 [pid 5103] <... futex resumed>) = 1 [pid 5101] <... futex resumed>) = 0 [pid 5100] <... futex resumed>) = 0 [pid 5107] <... setpgid resumed>) = 0 [pid 5106] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5105] <... mmap resumed>) = 0x7fa95d43d000 [pid 5104] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5103] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5101] exit_group(0 [pid 5100] exit_group(0 [pid 5107] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5104] <... futex resumed>) = ? [pid 5103] <... futex resumed>) = ? [pid 5101] <... exit_group resumed>) = ? [pid 5100] <... exit_group resumed>) = ? [pid 5105] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5107] <... openat resumed>) = 3 [pid 5106] <... futex resumed>) = 1 [pid 5104] +++ exited with 0 +++ [pid 5103] +++ exited with 0 +++ [pid 5105] <... mprotect resumed>) = 0 [pid 5102] <... futex resumed>) = 0 [pid 5101] +++ exited with 0 +++ [pid 5100] +++ exited with 0 +++ [pid 5107] write(3, "1000", 4 [pid 5106] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5105] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5102] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5107] <... write resumed>) = 4 [pid 5106] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5101, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5100, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5102] <... futex resumed>) = 0 [pid 5107] close(3 [pid 5106] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5105] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5102] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5107] <... close resumed>) = 0 [pid 5105] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0}./strace-static-x86_64: Process 5108 attached ./strace-static-x86_64: Process 5110 attached ./strace-static-x86_64: Process 5109 attached [pid 5108] set_robust_list(0x5555743056a0, 24 [pid 5107] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5109] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5107] <... futex resumed>) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x555574305690) = 5108 [pid 5109] <... rseq resumed>) = 0 [pid 5107] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, NULL, 8) = 0 [pid 5109] set_robust_list(0x7fa95d45d9a0, 24 [pid 5107] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5109] <... set_robust_list resumed>) = 0 [pid 5107] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5110] set_robust_list(0x5555743056a0, 24 [pid 5109] rt_sigprocmask(SIG_SETMASK, [], [pid 5108] <... set_robust_list resumed>) = 0 [pid 5107] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5105] <... clone3 resumed> => {parent_tid=[5109]}, 88) = 5109 [pid 5110] <... set_robust_list resumed>) = 0 [pid 5109] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5108] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5107] <... mmap resumed>) = 0x7fa95d43d000 [pid 5105] rt_sigprocmask(SIG_SETMASK, [], [pid 5074] <... clone resumed>, child_tidptr=0x555574305690) = 5110 [pid 5110] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5109] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5108] <... prctl resumed>) = 0 [pid 5107] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5105] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5110] <... prctl resumed>) = 0 [pid 5108] setpgid(0, 0 [pid 5107] <... mprotect resumed>) = 0 [pid 5105] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5110] setpgid(0, 0 [pid 5109] <... futex resumed>) = 0 [pid 5108] <... setpgid resumed>) = 0 [pid 5107] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5105] <... futex resumed>) = 1 [pid 5110] <... setpgid resumed>) = 0 [pid 5109] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5108] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5107] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5106] <... bpf resumed>) = 5 [pid 5105] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5110] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5106] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5110] <... openat resumed>) = 3 [pid 5109] <... bpf resumed>) = 3 [pid 5108] <... openat resumed>) = 3 [pid 5107] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5106] <... futex resumed>) = 1 [pid 5102] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5111 attached [pid 5110] write(3, "1000", 4 [pid 5109] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5108] write(3, "1000", 4 [pid 5106] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5102] exit_group(0 [pid 5111] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5110] <... write resumed>) = 4 [pid 5109] <... futex resumed>) = 1 [pid 5108] <... write resumed>) = 4 [pid 5107] <... clone3 resumed> => {parent_tid=[5111]}, 88) = 5111 [pid 5106] <... futex resumed>) = ? [pid 5105] <... futex resumed>) = 0 [pid 5102] <... exit_group resumed>) = ? [pid 5111] <... rseq resumed>) = 0 [pid 5110] close(3 [pid 5109] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5108] close(3 [pid 5107] rt_sigprocmask(SIG_SETMASK, [], [pid 5106] +++ exited with 0 +++ [pid 5105] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5109] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5107] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5109] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5107] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5111] set_robust_list(0x7fa95d45d9a0, 24 [pid 5110] <... close resumed>) = 0 [pid 5109] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5108] <... close resumed>) = 0 [pid 5107] <... futex resumed>) = 0 [pid 5105] <... futex resumed>) = 0 [pid 5102] +++ exited with 0 +++ [pid 5111] <... set_robust_list resumed>) = 0 [pid 5110] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5109] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5108] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5107] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5105] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5102, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5111] rt_sigprocmask(SIG_SETMASK, [], [pid 5110] <... futex resumed>) = 0 [pid 5109] <... futex resumed>) = 0 [pid 5108] <... futex resumed>) = 0 [pid 5105] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5111] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5110] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5109] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5108] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5105] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5111] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5110] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5109] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5108] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5105] <... futex resumed>) = 0 [pid 5111] <... bpf resumed>) = 3 [pid 5110] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5108] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5105] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5111] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5110] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5109] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5108] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5111] <... futex resumed>) = 1 [pid 5110] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5109] <... bpf resumed>) = 4 [pid 5108] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5107] <... futex resumed>) = 0 [pid 5111] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5110] <... mmap resumed>) = 0x7fa95d43d000 [pid 5109] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5108] <... mmap resumed>) = 0x7fa95d43d000 [pid 5107] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5111] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5110] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5109] <... futex resumed>) = 1 [pid 5108] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5107] <... futex resumed>) = 0 [pid 5105] <... futex resumed>) = 0 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5111] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5110] <... mprotect resumed>) = 0 [pid 5109] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5108] <... mprotect resumed>) = 0 [pid 5107] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5105] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5112 attached [pid 5111] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5112] set_robust_list(0x5555743056a0, 24 [pid 5110] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5109] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5108] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5105] <... futex resumed>) = 0 [pid 5067] <... clone resumed>, child_tidptr=0x555574305690) = 5112 [pid 5110] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5109] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5108] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5105] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5110] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0}./strace-static-x86_64: Process 5113 attached [pid 5112] <... set_robust_list resumed>) = 0 [pid 5111] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5109] <... bpf resumed>) = 5 [pid 5108] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0}./strace-static-x86_64: Process 5114 attached [pid 5112] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5113] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5111] <... futex resumed>) = 1 [pid 5110] <... clone3 resumed> => {parent_tid=[5113]}, 88) = 5113 [pid 5109] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5107] <... futex resumed>) = 0 [pid 5114] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5113] <... rseq resumed>) = 0 [pid 5112] <... prctl resumed>) = 0 [pid 5111] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5110] rt_sigprocmask(SIG_SETMASK, [], [pid 5109] <... futex resumed>) = 1 [pid 5108] <... clone3 resumed> => {parent_tid=[5114]}, 88) = 5114 [pid 5107] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5105] <... futex resumed>) = 0 [pid 5114] <... rseq resumed>) = 0 [pid 5113] set_robust_list(0x7fa95d45d9a0, 24 [pid 5112] setpgid(0, 0 [pid 5111] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5110] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5109] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5108] rt_sigprocmask(SIG_SETMASK, [], [pid 5107] <... futex resumed>) = 0 [pid 5105] exit_group(0 [pid 5114] set_robust_list(0x7fa95d45d9a0, 24 [pid 5113] <... set_robust_list resumed>) = 0 [pid 5112] <... setpgid resumed>) = 0 [pid 5111] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5110] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5109] <... futex resumed>) = ? [pid 5108] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5107] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5105] <... exit_group resumed>) = ? [pid 5114] <... set_robust_list resumed>) = 0 [pid 5113] rt_sigprocmask(SIG_SETMASK, [], [pid 5112] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5111] <... bpf resumed>) = 4 [pid 5110] <... futex resumed>) = 0 [pid 5109] +++ exited with 0 +++ [pid 5108] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5114] rt_sigprocmask(SIG_SETMASK, [], [pid 5113] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5112] <... openat resumed>) = 3 [pid 5111] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5110] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5108] <... futex resumed>) = 0 [pid 5105] +++ exited with 0 +++ [pid 5114] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5113] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5112] write(3, "1000", 4 [pid 5111] <... futex resumed>) = 1 [pid 5108] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5107] <... futex resumed>) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5105, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5114] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5113] <... bpf resumed>) = 3 [pid 5112] <... write resumed>) = 4 [pid 5111] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5107] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5114] <... bpf resumed>) = 3 [pid 5113] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5112] close(3 [pid 5111] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5107] <... futex resumed>) = 0 [pid 5114] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5113] <... futex resumed>) = 1 [pid 5112] <... close resumed>) = 0 [pid 5111] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5110] <... futex resumed>) = 0 [pid 5107] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5114] <... futex resumed>) = 1 [pid 5113] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5112] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5110] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5108] <... futex resumed>) = 0 [pid 5114] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5113] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5112] <... futex resumed>) = 0 [pid 5110] <... futex resumed>) = 0 [pid 5108] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5114] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5113] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5112] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5110] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5108] <... futex resumed>) = 0 [pid 5114] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5113] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5108] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5114] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5113] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5112] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5115 attached [pid 5114] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5113] <... futex resumed>) = 1 [pid 5112] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5110] <... futex resumed>) = 0 [pid 5115] set_robust_list(0x5555743056a0, 24 [pid 5114] <... futex resumed>) = 1 [pid 5113] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5112] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5110] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5108] <... futex resumed>) = 0 [pid 5115] <... set_robust_list resumed>) = 0 [pid 5114] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5113] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5110] <... futex resumed>) = 0 [pid 5108] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5115] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5114] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5113] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5112] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5110] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5108] <... futex resumed>) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x555574305690) = 5115 [pid 5115] <... prctl resumed>) = 0 [pid 5114] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5113] <... bpf resumed>) = 4 [pid 5112] <... mmap resumed>) = 0x7fa95d43d000 [pid 5108] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5115] setpgid(0, 0 [pid 5114] <... bpf resumed>) = 4 [pid 5113] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5112] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5111] <... bpf resumed>) = 5 [pid 5115] <... setpgid resumed>) = 0 [pid 5114] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5113] <... futex resumed>) = 1 [pid 5112] <... mprotect resumed>) = 0 [pid 5110] <... futex resumed>) = 0 [pid 5115] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5114] <... futex resumed>) = 1 [pid 5113] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5112] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5111] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5110] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5108] <... futex resumed>) = 0 [pid 5115] <... openat resumed>) = 3 [pid 5114] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5113] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5112] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5111] <... futex resumed>) = 1 [pid 5110] <... futex resumed>) = 0 [pid 5108] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5107] <... futex resumed>) = 0 [pid 5115] write(3, "1000", 4 [pid 5114] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5113] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5112] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5111] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5110] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5108] <... futex resumed>) = 0 [pid 5107] exit_group(0./strace-static-x86_64: Process 5116 attached [pid 5115] <... write resumed>) = 4 [pid 5114] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5113] <... bpf resumed>) = 5 [pid 5111] <... futex resumed>) = ? [pid 5108] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5107] <... exit_group resumed>) = ? [pid 5116] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5115] close(3 [pid 5114] <... bpf resumed>) = 5 [pid 5113] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5112] <... clone3 resumed> => {parent_tid=[5116]}, 88) = 5116 [pid 5111] +++ exited with 0 +++ [pid 5107] +++ exited with 0 +++ [pid 5116] <... rseq resumed>) = 0 [pid 5115] <... close resumed>) = 0 [pid 5114] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5113] <... futex resumed>) = 1 [pid 5112] rt_sigprocmask(SIG_SETMASK, [], [pid 5110] <... futex resumed>) = 0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5107, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5116] set_robust_list(0x7fa95d45d9a0, 24 [pid 5115] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5114] <... futex resumed>) = 1 [pid 5113] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5112] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5110] exit_group(0 [pid 5108] <... futex resumed>) = 0 [pid 5116] <... set_robust_list resumed>) = 0 [pid 5115] <... futex resumed>) = 0 [pid 5114] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5113] <... futex resumed>) = ? [pid 5112] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5110] <... exit_group resumed>) = ? [pid 5108] exit_group(0 [pid 5116] rt_sigprocmask(SIG_SETMASK, [], [pid 5115] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5113] +++ exited with 0 +++ [pid 5112] <... futex resumed>) = 0 [pid 5112] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5116] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5115] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5114] <... futex resumed>) = ? [pid 5108] <... exit_group resumed>) = ? [pid 5115] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5114] +++ exited with 0 +++ [pid 5115] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5115] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5116] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5115] <... mmap resumed>) = 0x7fa95d43d000 [pid 5116] <... bpf resumed>) = 3 [pid 5115] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5117 attached [pid 5116] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5115] <... mprotect resumed>) = 0 [pid 5117] set_robust_list(0x5555743056a0, 24 [pid 5116] <... futex resumed>) = 1 [pid 5115] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5112] <... futex resumed>) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555574305690) = 5117 [pid 5117] <... set_robust_list resumed>) = 0 [pid 5116] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5115] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5117] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5115] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5112] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5118 attached [pid 5117] <... prctl resumed>) = 0 [pid 5116] <... futex resumed>) = 0 [pid 5112] <... futex resumed>) = 1 [pid 5118] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5117] setpgid(0, 0 [pid 5116] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5115] <... clone3 resumed> => {parent_tid=[5118]}, 88) = 5118 [pid 5112] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5118] <... rseq resumed>) = 0 [pid 5117] <... setpgid resumed>) = 0 [pid 5116] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5115] rt_sigprocmask(SIG_SETMASK, [], [pid 5118] set_robust_list(0x7fa95d45d9a0, 24 [pid 5117] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5116] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5115] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5118] <... set_robust_list resumed>) = 0 [pid 5116] <... futex resumed>) = 1 [pid 5115] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5112] <... futex resumed>) = 0 [pid 5117] <... openat resumed>) = 3 [pid 5118] rt_sigprocmask(SIG_SETMASK, [], [pid 5117] write(3, "1000", 4 [pid 5116] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5115] <... futex resumed>) = 0 [pid 5112] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5118] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5117] <... write resumed>) = 4 [pid 5116] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5115] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5112] <... futex resumed>) = 0 [pid 5118] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5117] close(3 [pid 5116] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5112] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5118] <... bpf resumed>) = 3 [pid 5117] <... close resumed>) = 0 [pid 5116] <... bpf resumed>) = 4 [pid 5118] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5117] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5116] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5117] <... futex resumed>) = 0 [pid 5118] <... futex resumed>) = 1 [pid 5116] <... futex resumed>) = 1 [pid 5115] <... futex resumed>) = 0 [pid 5112] <... futex resumed>) = 0 [pid 5118] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5117] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5116] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5115] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5112] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5118] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5117] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5116] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5115] <... futex resumed>) = 0 [pid 5112] <... futex resumed>) = 0 [pid 5118] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5117] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5116] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5115] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5112] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5118] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5117] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5110] +++ exited with 0 +++ [pid 5108] +++ exited with 0 +++ [pid 5118] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5117] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5108, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5118] <... futex resumed>) = 1 [pid 5117] <... mmap resumed>) = 0x7fa95d43d000 [pid 5115] <... futex resumed>) = 0 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5110, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5118] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5117] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5115] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5118] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5117] <... mprotect resumed>) = 0 [pid 5115] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5119 attached [pid 5118] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5117] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5115] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5074] <... clone resumed>, child_tidptr=0x555574305690) = 5119 [pid 5119] set_robust_list(0x5555743056a0, 24 [pid 5118] <... bpf resumed>) = 4 [pid 5117] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5119] <... set_robust_list resumed>) = 0 [pid 5118] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5117] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5119] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5118] <... futex resumed>) = 1 [pid 5115] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5120 attached ./strace-static-x86_64: Process 5121 attached [pid 5119] <... prctl resumed>) = 0 [pid 5118] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5115] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5121] set_robust_list(0x5555743056a0, 24 [pid 5120] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5119] setpgid(0, 0 [pid 5117] <... clone3 resumed> => {parent_tid=[5120]}, 88) = 5120 [pid 5115] <... futex resumed>) = 0 [pid 5121] <... set_robust_list resumed>) = 0 [pid 5120] <... rseq resumed>) = 0 [pid 5119] <... setpgid resumed>) = 0 [pid 5117] rt_sigprocmask(SIG_SETMASK, [], [pid 5115] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5121] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5120] set_robust_list(0x7fa95d45d9a0, 24 [pid 5119] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5117] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x555574305690) = 5121 [pid 5121] <... prctl resumed>) = 0 [pid 5120] <... set_robust_list resumed>) = 0 [pid 5117] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5119] <... openat resumed>) = 3 [pid 5121] setpgid(0, 0 [pid 5120] rt_sigprocmask(SIG_SETMASK, [], [pid 5119] write(3, "1000", 4 [pid 5117] <... futex resumed>) = 0 [pid 5121] <... setpgid resumed>) = 0 [pid 5120] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5119] <... write resumed>) = 4 [pid 5117] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5121] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5120] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5119] close(3 [pid 5121] <... openat resumed>) = 3 [pid 5120] <... bpf resumed>) = 3 [pid 5119] <... close resumed>) = 0 [pid 5121] write(3, "1000", 4 [pid 5119] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5121] <... write resumed>) = 4 [pid 5119] <... futex resumed>) = 0 [pid 5121] close(3 [pid 5119] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5121] <... close resumed>) = 0 [pid 5119] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5121] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5119] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5121] <... futex resumed>) = 0 [pid 5119] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5121] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5119] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5121] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5121] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5120] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5119] <... mmap resumed>) = 0x7fa95d43d000 [pid 5121] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5120] <... futex resumed>) = 1 [pid 5119] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5117] <... futex resumed>) = 0 [pid 5121] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5120] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5119] <... mprotect resumed>) = 0 [pid 5117] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5121] <... mmap resumed>) = 0x7fa95d43d000 [pid 5120] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5119] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5117] <... futex resumed>) = 0 [pid 5121] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5120] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5119] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5117] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5121] <... mprotect resumed>) = 0 [pid 5120] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5119] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5121] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5120] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5122 attached [pid 5121] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5120] <... futex resumed>) = 1 [pid 5119] <... clone3 resumed> => {parent_tid=[5122]}, 88) = 5122 [pid 5117] <... futex resumed>) = 0 [pid 5122] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5121] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5120] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5119] rt_sigprocmask(SIG_SETMASK, [], [pid 5118] <... bpf resumed>) = 5 [pid 5117] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5116] <... bpf resumed>) = 5 ./strace-static-x86_64: Process 5123 attached [pid 5122] <... rseq resumed>) = 0 [pid 5120] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5119] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5118] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5117] <... futex resumed>) = 0 [pid 5116] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5123] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5122] set_robust_list(0x7fa95d45d9a0, 24 [pid 5121] <... clone3 resumed> => {parent_tid=[5123]}, 88) = 5123 [pid 5120] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5119] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5118] <... futex resumed>) = 1 [pid 5117] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5116] <... futex resumed>) = 1 [pid 5115] <... futex resumed>) = 0 [pid 5112] <... futex resumed>) = 0 [pid 5123] <... rseq resumed>) = 0 [pid 5122] <... set_robust_list resumed>) = 0 [pid 5121] rt_sigprocmask(SIG_SETMASK, [], [pid 5120] <... bpf resumed>) = 4 [pid 5119] <... futex resumed>) = 0 [pid 5118] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5116] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5115] exit_group(0 [pid 5112] exit_group(0 [pid 5123] set_robust_list(0x7fa95d45d9a0, 24 [pid 5122] rt_sigprocmask(SIG_SETMASK, [], [pid 5121] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5120] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5119] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5118] <... futex resumed>) = ? [pid 5116] <... futex resumed>) = ? [pid 5115] <... exit_group resumed>) = ? [pid 5112] <... exit_group resumed>) = ? [pid 5123] <... set_robust_list resumed>) = 0 [pid 5122] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5121] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5120] <... futex resumed>) = 1 [pid 5118] +++ exited with 0 +++ [pid 5117] <... futex resumed>) = 0 [pid 5116] +++ exited with 0 +++ [pid 5122] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5120] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5122] <... bpf resumed>) = 3 [pid 5115] +++ exited with 0 +++ [pid 5122] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5115, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5122] <... futex resumed>) = 1 [pid 5122] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5124 attached [pid 5123] rt_sigprocmask(SIG_SETMASK, [], [pid 5121] <... futex resumed>) = 0 [pid 5119] <... futex resumed>) = 0 [pid 5117] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5112] +++ exited with 0 +++ [pid 5124] set_robust_list(0x5555743056a0, 24 [pid 5123] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5121] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5120] <... futex resumed>) = 0 [pid 5119] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5117] <... futex resumed>) = 1 [pid 5124] <... set_robust_list resumed>) = 0 [pid 5123] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5119] <... futex resumed>) = 1 [pid 5117] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5124] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5123] <... bpf resumed>) = 3 [pid 5119] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5112, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5124] <... prctl resumed>) = 0 [pid 5123] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5124] setpgid(0, 0 [pid 5123] <... futex resumed>) = 1 [pid 5121] <... futex resumed>) = 0 [pid 5124] <... setpgid resumed>) = 0 [pid 5123] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5122] <... futex resumed>) = 0 [pid 5121] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5120] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5068] <... clone resumed>, child_tidptr=0x555574305690) = 5124 ./strace-static-x86_64: Process 5125 attached [pid 5124] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5123] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5122] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5121] <... futex resumed>) = 0 [pid 5125] set_robust_list(0x5555743056a0, 24 [pid 5124] <... openat resumed>) = 3 [pid 5123] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5122] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5121] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] <... clone resumed>, child_tidptr=0x555574305690) = 5125 [pid 5125] <... set_robust_list resumed>) = 0 [pid 5124] write(3, "1000", 4 [pid 5123] <... futex resumed>) = 0 [pid 5122] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5121] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5125] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5124] <... write resumed>) = 4 [pid 5123] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5122] <... futex resumed>) = 1 [pid 5121] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5119] <... futex resumed>) = 0 [pid 5125] <... prctl resumed>) = 0 [pid 5124] close(3 [pid 5123] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5122] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5121] <... futex resumed>) = 0 [pid 5119] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5125] setpgid(0, 0 [pid 5124] <... close resumed>) = 0 [pid 5123] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5122] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5121] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5119] <... futex resumed>) = 0 [pid 5125] <... setpgid resumed>) = 0 [pid 5124] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5123] <... bpf resumed>) = 4 [pid 5122] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5119] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5125] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5124] <... futex resumed>) = 0 [pid 5123] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5122] <... bpf resumed>) = 4 [pid 5120] <... bpf resumed>) = 5 [pid 5124] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5123] <... futex resumed>) = 1 [pid 5122] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5121] <... futex resumed>) = 0 [pid 5125] <... openat resumed>) = 3 [pid 5124] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5123] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5122] <... futex resumed>) = 1 [pid 5121] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5120] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5119] <... futex resumed>) = 0 [pid 5125] write(3, "1000", 4 [pid 5124] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5123] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5122] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5120] <... futex resumed>) = 1 [pid 5125] <... write resumed>) = 4 [pid 5124] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5122] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5121] <... futex resumed>) = 0 [pid 5120] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5119] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5117] <... futex resumed>) = 0 [pid 5123] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5125] close(3 [pid 5124] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5122] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5121] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5119] <... futex resumed>) = 0 [pid 5117] exit_group(0 [pid 5125] <... close resumed>) = 0 [pid 5124] <... mmap resumed>) = 0x7fa95d43d000 [pid 5123] <... bpf resumed>) = 5 [pid 5122] <... bpf resumed>) = 5 [pid 5119] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5120] <... futex resumed>) = ? [pid 5117] <... exit_group resumed>) = ? [pid 5125] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5124] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5122] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5120] +++ exited with 0 +++ [pid 5125] <... futex resumed>) = 0 [pid 5124] <... mprotect resumed>) = 0 [pid 5123] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5122] <... futex resumed>) = 1 [pid 5119] <... futex resumed>) = 0 [pid 5125] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5123] <... futex resumed>) = 1 [pid 5122] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5121] <... futex resumed>) = 0 [pid 5119] exit_group(0 [pid 5125] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5125] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5124] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5125] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5125] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fa95d43d000 [pid 5125] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5121] exit_group(0 [pid 5117] +++ exited with 0 +++ [pid 5123] ???( [pid 5122] <... futex resumed>) = ? [pid 5119] <... exit_group resumed>) = ? [pid 5124] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5117, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5125] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5124] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5123] <... ??? resumed>) = ? [pid 5121] <... exit_group resumed>) = ? [pid 5123] +++ exited with 0 +++ [pid 5125] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5125] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} => {parent_tid=[5127]}, 88) = 5127 [pid 5125] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5125] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5125] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5126 attached ./strace-static-x86_64: Process 5127 attached [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5126] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5124] <... clone3 resumed> => {parent_tid=[5126]}, 88) = 5126 [pid 5126] <... rseq resumed>) = 0 [pid 5124] rt_sigprocmask(SIG_SETMASK, [], [pid 5126] set_robust_list(0x7fa95d45d9a0, 24 [pid 5124] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5128 attached [pid 5127] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5126] <... set_robust_list resumed>) = 0 [pid 5124] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5128] set_robust_list(0x5555743056a0, 24 [pid 5127] <... rseq resumed>) = 0 [pid 5126] rt_sigprocmask(SIG_SETMASK, [], [pid 5128] <... set_robust_list resumed>) = 0 [pid 5126] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5124] <... futex resumed>) = 0 [pid 5128] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5127] set_robust_list(0x7fa95d45d9a0, 24 [pid 5126] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5124] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] <... clone resumed>, child_tidptr=0x555574305690) = 5128 [pid 5128] <... prctl resumed>) = 0 [pid 5127] <... set_robust_list resumed>) = 0 [pid 5126] <... bpf resumed>) = 3 [pid 5128] setpgid(0, 0 [pid 5127] rt_sigprocmask(SIG_SETMASK, [], [pid 5126] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5128] <... setpgid resumed>) = 0 [pid 5127] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5126] <... futex resumed>) = 1 [pid 5124] <... futex resumed>) = 0 [pid 5128] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5127] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5126] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5124] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5128] <... openat resumed>) = 3 [pid 5126] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5124] <... futex resumed>) = 0 [pid 5127] <... bpf resumed>) = 3 [pid 5126] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5124] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5122] +++ exited with 0 +++ [pid 5119] +++ exited with 0 +++ [pid 5128] write(3, "1000", 4 [pid 5127] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5126] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5121] +++ exited with 0 +++ [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5119, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5128] <... write resumed>) = 4 [pid 5127] <... futex resumed>) = 1 [pid 5125] <... futex resumed>) = 0 [pid 5128] close(3 [pid 5127] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5126] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5125] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5128] <... close resumed>) = 0 [pid 5127] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5126] <... futex resumed>) = 1 [pid 5125] <... futex resumed>) = 0 [pid 5124] <... futex resumed>) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5121, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5127] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5126] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5125] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5124] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] restart_syscall(<... resuming interrupted clone ...> [pid 5128] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5127] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5126] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5124] <... futex resumed>) = 0 [pid 5072] <... restart_syscall resumed>) = 0 [pid 5126] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5124] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5128] <... futex resumed>) = 0 [pid 5127] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5126] <... bpf resumed>) = 4 [pid 5128] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5127] <... futex resumed>) = 1 [pid 5125] <... futex resumed>) = 0 [pid 5128] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5127] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5126] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5125] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5129 attached [pid 5128] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5127] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5126] <... futex resumed>) = 1 [pid 5125] <... futex resumed>) = 0 [pid 5124] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5130 attached [pid 5129] set_robust_list(0x5555743056a0, 24 [pid 5128] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5127] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5126] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5125] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5124] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5130] set_robust_list(0x5555743056a0, 24 [pid 5129] <... set_robust_list resumed>) = 0 [pid 5128] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5126] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5124] <... futex resumed>) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x555574305690) = 5129 [pid 5072] <... clone resumed>, child_tidptr=0x555574305690) = 5130 [pid 5126] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5124] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5127] <... bpf resumed>) = 4 [pid 5129] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5130] <... set_robust_list resumed>) = 0 [pid 5128] <... mmap resumed>) = 0x7fa95d43d000 [pid 5129] <... prctl resumed>) = 0 [pid 5127] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5130] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5129] setpgid(0, 0 [pid 5128] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5127] <... futex resumed>) = 1 [pid 5125] <... futex resumed>) = 0 [pid 5130] <... prctl resumed>) = 0 [pid 5129] <... setpgid resumed>) = 0 [pid 5128] <... mprotect resumed>) = 0 [pid 5127] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5126] <... bpf resumed>) = 5 [pid 5125] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5130] setpgid(0, 0 [pid 5129] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5127] <... bpf resumed>) = 5 [pid 5125] <... futex resumed>) = 0 [pid 5128] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5130] <... setpgid resumed>) = 0 [pid 5129] <... openat resumed>) = 3 [pid 5128] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5127] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5126] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5125] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5130] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5129] write(3, "1000", 4 [pid 5128] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5127] <... futex resumed>) = 0 [pid 5126] <... futex resumed>) = 1 [pid 5125] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5124] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5131 attached [pid 5130] <... openat resumed>) = 3 [pid 5129] <... write resumed>) = 4 [pid 5127] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5126] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5125] exit_group(0 [pid 5124] exit_group(0 [pid 5131] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5130] write(3, "1000", 4 [pid 5129] close(3 [pid 5128] <... clone3 resumed> => {parent_tid=[5131]}, 88) = 5131 [pid 5127] <... futex resumed>) = ? [pid 5126] <... futex resumed>) = ? [pid 5125] <... exit_group resumed>) = ? [pid 5124] <... exit_group resumed>) = ? [pid 5131] <... rseq resumed>) = 0 [pid 5130] <... write resumed>) = 4 [pid 5129] <... close resumed>) = 0 [pid 5128] rt_sigprocmask(SIG_SETMASK, [], [pid 5127] +++ exited with 0 +++ [pid 5126] +++ exited with 0 +++ [pid 5125] +++ exited with 0 +++ [pid 5131] set_robust_list(0x7fa95d45d9a0, 24 [pid 5130] close(3 [pid 5129] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5128] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5131] <... set_robust_list resumed>) = 0 [pid 5128] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5131] rt_sigprocmask(SIG_SETMASK, [], [pid 5130] <... close resumed>) = 0 [pid 5129] <... futex resumed>) = 0 [pid 5128] <... futex resumed>) = 0 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5125, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5131] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5129] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5130] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5128] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5131] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5130] <... futex resumed>) = 0 [pid 5129] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5129] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 5132 attached [pid 5131] <... bpf resumed>) = 3 [pid 5130] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5129] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5124] +++ exited with 0 +++ [pid 5132] set_robust_list(0x5555743056a0, 24 [pid 5131] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5130] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5129] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5067] <... clone resumed>, child_tidptr=0x555574305690) = 5132 [pid 5132] <... set_robust_list resumed>) = 0 [pid 5131] <... futex resumed>) = 1 [pid 5130] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5129] <... mmap resumed>) = 0x7fa95d43d000 [pid 5128] <... futex resumed>) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5124, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5132] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5131] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5130] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5129] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5128] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] restart_syscall(<... resuming interrupted clone ...> [pid 5132] <... prctl resumed>) = 0 [pid 5131] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5130] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5129] <... mprotect resumed>) = 0 [pid 5128] <... futex resumed>) = 0 [pid 5068] <... restart_syscall resumed>) = 0 [pid 5132] setpgid(0, 0 [pid 5131] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5130] <... mmap resumed>) = 0x7fa95d43d000 [pid 5129] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5128] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5132] <... setpgid resumed>) = 0 [pid 5131] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5130] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5129] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5132] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5131] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5130] <... mprotect resumed>) = 0 [pid 5129] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0}./strace-static-x86_64: Process 5133 attached [pid 5132] <... openat resumed>) = 3 [pid 5131] <... futex resumed>) = 1 [pid 5130] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5128] <... futex resumed>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5133] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5131] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5130] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5129] <... clone3 resumed> => {parent_tid=[5133]}, 88) = 5133 [pid 5128] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5134 attached [pid 5133] <... rseq resumed>) = 0 [pid 5132] write(3, "1000", 4 [pid 5131] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5130] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5129] rt_sigprocmask(SIG_SETMASK, [], [pid 5128] <... futex resumed>) = 0 [pid 5134] set_robust_list(0x5555743056a0, 24 [pid 5133] set_robust_list(0x7fa95d45d9a0, 24 [pid 5131] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5134] <... set_robust_list resumed>) = 0 [pid 5133] <... set_robust_list resumed>) = 0 [pid 5129] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5128] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5135 attached [pid 5132] <... write resumed>) = 4 [pid 5131] <... bpf resumed>) = 4 [pid 5068] <... clone resumed>, child_tidptr=0x555574305690) = 5134 [pid 5135] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5134] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5133] rt_sigprocmask(SIG_SETMASK, [], [pid 5132] close(3 [pid 5131] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5130] <... clone3 resumed> => {parent_tid=[5135]}, 88) = 5135 [pid 5129] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5135] <... rseq resumed>) = 0 [pid 5134] <... prctl resumed>) = 0 [pid 5133] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5132] <... close resumed>) = 0 [pid 5131] <... futex resumed>) = 1 [pid 5130] rt_sigprocmask(SIG_SETMASK, [], [pid 5129] <... futex resumed>) = 0 [pid 5128] <... futex resumed>) = 0 [pid 5135] set_robust_list(0x7fa95d45d9a0, 24 [pid 5132] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5132] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5135] <... set_robust_list resumed>) = 0 [pid 5132] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5135] rt_sigprocmask(SIG_SETMASK, [], [pid 5132] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5135] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5134] setpgid(0, 0 [pid 5133] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5131] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5130] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5129] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5128] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5135] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5134] <... setpgid resumed>) = 0 [pid 5133] <... bpf resumed>) = 3 [pid 5132] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5131] <... bpf resumed>) = 5 [pid 5130] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5128] <... futex resumed>) = 0 [pid 5135] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5134] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5133] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5132] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5131] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5130] <... futex resumed>) = 0 [pid 5128] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5135] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5134] <... openat resumed>) = 3 [pid 5133] <... futex resumed>) = 1 [pid 5132] <... mmap resumed>) = 0x7fa95d43d000 [pid 5131] <... futex resumed>) = 0 [pid 5130] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5129] <... futex resumed>) = 0 [pid 5128] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5135] <... bpf resumed>) = 3 [pid 5134] write(3, "1000", 4 [pid 5133] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5132] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5131] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5129] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5128] exit_group(0 [pid 5135] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5134] <... write resumed>) = 4 [pid 5133] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5132] <... mprotect resumed>) = 0 [pid 5131] <... futex resumed>) = ? [pid 5129] <... futex resumed>) = 0 [pid 5128] <... exit_group resumed>) = ? [pid 5134] close(3 [pid 5133] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5131] +++ exited with 0 +++ [pid 5129] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5135] <... futex resumed>) = 1 [pid 5132] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5134] <... close resumed>) = 0 [pid 5135] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5133] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5130] <... futex resumed>) = 0 [pid 5134] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5133] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5132] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5130] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5128] +++ exited with 0 +++ [pid 5135] <... futex resumed>) = 0 [pid 5134] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5133] <... futex resumed>) = 1 [pid 5132] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5130] <... futex resumed>) = 1 [pid 5129] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5136 attached [pid 5135] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5134] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5133] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5130] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5129] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5136] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5135] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5134] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5133] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5129] <... futex resumed>) = 0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5128, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5136] <... rseq resumed>) = 0 [pid 5135] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5134] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5133] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5132] <... clone3 resumed> => {parent_tid=[5136]}, 88) = 5136 [pid 5129] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5136] set_robust_list(0x7fa95d45d9a0, 24 [pid 5135] <... futex resumed>) = 1 [pid 5134] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5133] <... bpf resumed>) = 4 [pid 5132] rt_sigprocmask(SIG_SETMASK, [], [pid 5130] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5137 attached [pid 5136] <... set_robust_list resumed>) = 0 [pid 5135] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5134] <... mmap resumed>) = 0x7fa95d43d000 [pid 5133] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5132] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5130] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5137] set_robust_list(0x5555743056a0, 24 [pid 5136] rt_sigprocmask(SIG_SETMASK, [], [pid 5135] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5134] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5133] <... futex resumed>) = 1 [pid 5132] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5130] <... futex resumed>) = 0 [pid 5129] <... futex resumed>) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555574305690) = 5137 [pid 5137] <... set_robust_list resumed>) = 0 [pid 5136] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5135] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5134] <... mprotect resumed>) = 0 [pid 5133] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5132] <... futex resumed>) = 0 [pid 5130] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5129] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5137] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5136] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5135] <... bpf resumed>) = 4 [pid 5134] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5133] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5132] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5129] <... futex resumed>) = 0 [pid 5137] <... prctl resumed>) = 0 [pid 5135] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5130] <... futex resumed>) = 0 [pid 5136] <... bpf resumed>) = 3 [pid 5133] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5137] setpgid(0, 0 [pid 5136] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5135] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5134] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5130] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5129] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5137] <... setpgid resumed>) = 0 [pid 5136] <... futex resumed>) = 1 [pid 5135] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5132] <... futex resumed>) = 0 [pid 5130] <... futex resumed>) = 0 [pid 5135] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5132] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5130] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5137] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5136] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5135] <... bpf resumed>) = 5 [pid 5134] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5133] <... bpf resumed>) = 5 [pid 5132] <... futex resumed>) = 0 [pid 5137] <... openat resumed>) = 3 [pid 5132] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5136] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5133] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5138 attached [pid 5137] write(3, "1000", 4 [pid 5136] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5135] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5133] <... futex resumed>) = 1 [pid 5129] <... futex resumed>) = 0 [pid 5138] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5137] <... write resumed>) = 4 [pid 5136] <... futex resumed>) = 1 [pid 5135] <... futex resumed>) = 1 [pid 5134] <... clone3 resumed> => {parent_tid=[5138]}, 88) = 5138 [pid 5133] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5132] <... futex resumed>) = 0 [pid 5130] <... futex resumed>) = 0 [pid 5129] exit_group(0 [pid 5138] <... rseq resumed>) = 0 [pid 5137] close(3 [pid 5136] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5135] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5134] rt_sigprocmask(SIG_SETMASK, [], [pid 5133] <... futex resumed>) = ? [pid 5132] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5129] <... exit_group resumed>) = ? [pid 5137] <... close resumed>) = 0 [pid 5136] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5138] set_robust_list(0x7fa95d45d9a0, 24 [pid 5137] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5136] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5132] <... futex resumed>) = 0 [pid 5130] exit_group(0 [pid 5138] <... set_robust_list resumed>) = 0 [pid 5135] <... futex resumed>) = ? [pid 5134] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5132] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5130] <... exit_group resumed>) = ? [pid 5137] <... futex resumed>) = 0 [pid 5138] rt_sigprocmask(SIG_SETMASK, [], [pid 5137] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5136] <... bpf resumed>) = 4 [pid 5135] +++ exited with 0 +++ [pid 5134] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5138] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5137] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5136] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5134] <... futex resumed>) = 0 [pid 5138] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5137] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5136] <... futex resumed>) = 1 [pid 5134] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5132] <... futex resumed>) = 0 [pid 5138] <... bpf resumed>) = 3 [pid 5137] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5136] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5132] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5138] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5137] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5136] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5132] <... futex resumed>) = 0 [pid 5138] <... futex resumed>) = 1 [pid 5137] <... mmap resumed>) = 0x7fa95d43d000 [pid 5136] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5134] <... futex resumed>) = 0 [pid 5132] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5138] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5137] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5134] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5138] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5137] <... mprotect resumed>) = 0 [pid 5134] <... futex resumed>) = 0 [pid 5137] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5134] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5137] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5137] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0}./strace-static-x86_64: Process 5139 attached [pid 5138] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5139] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5138] <... futex resumed>) = 1 [pid 5137] <... clone3 resumed> => {parent_tid=[5139]}, 88) = 5139 [pid 5134] <... futex resumed>) = 0 [pid 5139] <... rseq resumed>) = 0 [pid 5138] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5137] rt_sigprocmask(SIG_SETMASK, [], [pid 5134] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5139] set_robust_list(0x7fa95d45d9a0, 24 [pid 5138] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5137] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5134] <... futex resumed>) = 0 [pid 5139] <... set_robust_list resumed>) = 0 [pid 5137] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5134] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5133] +++ exited with 0 +++ [pid 5129] +++ exited with 0 +++ [pid 5139] rt_sigprocmask(SIG_SETMASK, [], [pid 5137] <... futex resumed>) = 0 [pid 5139] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5137] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5139] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5138] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5139] <... bpf resumed>) = 3 [pid 5138] <... bpf resumed>) = 4 [pid 5130] +++ exited with 0 +++ [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5129, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5139] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5138] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5140 attached [pid 5139] <... futex resumed>) = 1 [pid 5138] <... futex resumed>) = 1 [pid 5137] <... futex resumed>) = 0 [pid 5134] <... futex resumed>) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5130, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5140] set_robust_list(0x5555743056a0, 24 [pid 5139] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5138] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5137] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5134] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5140] <... set_robust_list resumed>) = 0 [pid 5139] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5137] <... futex resumed>) = 0 [pid 5134] <... futex resumed>) = 0 [pid 5140] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5139] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5138] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5137] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5134] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5074] <... clone resumed>, child_tidptr=0x555574305690) = 5140 [pid 5072] restart_syscall(<... resuming interrupted clone ...> [pid 5140] <... prctl resumed>) = 0 [pid 5139] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5138] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5072] <... restart_syscall resumed>) = 0 [pid 5140] setpgid(0, 0 [pid 5139] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5140] <... setpgid resumed>) = 0 [pid 5139] <... futex resumed>) = 1 [pid 5137] <... futex resumed>) = 0 [pid 5140] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5139] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5137] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5140] <... openat resumed>) = 3 [pid 5139] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5137] <... futex resumed>) = 0 [pid 5140] write(3, "1000", 4 [pid 5139] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5137] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5140] <... write resumed>) = 4 ./strace-static-x86_64: Process 5141 attached [pid 5140] close(3 [pid 5139] <... bpf resumed>) = 4 [pid 5141] set_robust_list(0x5555743056a0, 24 [pid 5140] <... close resumed>) = 0 [pid 5139] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5141] <... set_robust_list resumed>) = 0 [pid 5140] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5139] <... futex resumed>) = 1 [pid 5137] <... futex resumed>) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x555574305690) = 5141 [pid 5141] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5141] setpgid(0, 0 [pid 5140] <... futex resumed>) = 0 [pid 5139] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5137] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5141] <... setpgid resumed>) = 0 [pid 5140] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5139] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5137] <... futex resumed>) = 0 [pid 5141] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5140] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5139] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5137] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5140] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5140] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5141] <... openat resumed>) = 3 [pid 5140] <... mmap resumed>) = 0x7fa95d43d000 [pid 5141] write(3, "1000", 4 [pid 5140] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5141] <... write resumed>) = 4 [pid 5141] close(3 [pid 5140] <... mprotect resumed>) = 0 [pid 5141] <... close resumed>) = 0 [pid 5141] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5140] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5141] <... futex resumed>) = 0 [pid 5141] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5140] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5141] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5140] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5141] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 5142 attached NULL, 8) = 0 [pid 5140] <... clone3 resumed> => {parent_tid=[5142]}, 88) = 5142 [pid 5142] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5141] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5140] rt_sigprocmask(SIG_SETMASK, [], [pid 5142] <... rseq resumed>) = 0 [pid 5141] <... mmap resumed>) = 0x7fa95d43d000 [pid 5140] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5139] <... bpf resumed>) = 5 [pid 5138] <... bpf resumed>) = 5 [pid 5136] <... bpf resumed>) = 5 [pid 5142] set_robust_list(0x7fa95d45d9a0, 24 [pid 5140] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5139] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5142] <... set_robust_list resumed>) = 0 [pid 5141] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5140] <... futex resumed>) = 0 [pid 5139] <... futex resumed>) = 1 [pid 5138] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5137] <... futex resumed>) = 0 [pid 5136] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5142] rt_sigprocmask(SIG_SETMASK, [], [pid 5141] <... mprotect resumed>) = 0 [pid 5140] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5139] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5138] <... futex resumed>) = 1 [pid 5137] exit_group(0 [pid 5136] <... futex resumed>) = 1 [pid 5132] <... futex resumed>) = 0 [pid 5142] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5141] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5139] <... futex resumed>) = ? [pid 5138] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5137] <... exit_group resumed>) = ? [pid 5136] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5134] <... futex resumed>) = 0 [pid 5132] exit_group(0 [pid 5142] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5141] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5139] +++ exited with 0 +++ [pid 5136] <... futex resumed>) = ? [pid 5134] exit_group(0 [pid 5132] <... exit_group resumed>) = ? [pid 5142] <... bpf resumed>) = 3 [pid 5141] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5142] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5137] +++ exited with 0 +++ [pid 5142] <... futex resumed>) = 1 [pid 5138] <... futex resumed>) = ? [pid 5136] +++ exited with 0 +++ [pid 5134] <... exit_group resumed>) = ? [pid 5142] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5141] <... clone3 resumed> => {parent_tid=[5143]}, 88) = 5143 [pid 5138] +++ exited with 0 +++ ./strace-static-x86_64: Process 5143 attached [pid 5141] rt_sigprocmask(SIG_SETMASK, [], [pid 5140] <... futex resumed>) = 0 [pid 5141] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5141] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5141] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5140] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5143] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5137, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5142] <... futex resumed>) = 0 [pid 5140] <... futex resumed>) = 1 [pid 5142] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5143] <... rseq resumed>) = 0 [pid 5140] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5143] set_robust_list(0x7fa95d45d9a0, 24) = 0 [pid 5142] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5143] rt_sigprocmask(SIG_SETMASK, [], [pid 5142] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5143] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5142] <... futex resumed>) = 1 [pid 5140] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5144 attached [pid 5143] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5142] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5140] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5144] set_robust_list(0x5555743056a0, 24 [pid 5143] <... bpf resumed>) = 3 [pid 5142] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5140] <... futex resumed>) = 0 [pid 5144] <... set_robust_list resumed>) = 0 [pid 5143] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5142] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5140] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] <... clone resumed>, child_tidptr=0x555574305690) = 5144 [pid 5144] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5143] <... futex resumed>) = 1 [pid 5142] <... bpf resumed>) = 4 [pid 5141] <... futex resumed>) = 0 [pid 5144] <... prctl resumed>) = 0 [pid 5143] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5144] setpgid(0, 0 [pid 5143] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5141] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5144] <... setpgid resumed>) = 0 [pid 5143] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5142] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5141] <... futex resumed>) = 0 [pid 5144] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5143] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5142] <... futex resumed>) = 1 [pid 5141] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5140] <... futex resumed>) = 0 [pid 5144] <... openat resumed>) = 3 [pid 5143] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5142] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5140] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5134] +++ exited with 0 +++ [pid 5132] +++ exited with 0 +++ [pid 5144] write(3, "1000", 4 [pid 5143] <... futex resumed>) = 1 [pid 5142] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5141] <... futex resumed>) = 0 [pid 5140] <... futex resumed>) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5134, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5144] <... write resumed>) = 4 [pid 5143] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5142] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5141] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5140] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5144] close(3 [pid 5143] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5141] <... futex resumed>) = 0 [pid 5144] <... close resumed>) = 0 [pid 5143] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5141] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5132, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5144] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5145 attached [pid 5144] <... futex resumed>) = 0 [pid 5143] <... bpf resumed>) = 4 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5144] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5145] set_robust_list(0x5555743056a0, 24 [pid 5144] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5144] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5144] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fa95d43d000 [pid 5144] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5068] <... clone resumed>, child_tidptr=0x555574305690) = 5145 ./strace-static-x86_64: Process 5146 attached [pid 5145] <... set_robust_list resumed>) = 0 [pid 5144] <... mprotect resumed>) = 0 [pid 5143] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5146] set_robust_list(0x5555743056a0, 24 [pid 5145] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5143] <... futex resumed>) = 1 [pid 5141] <... futex resumed>) = 0 [pid 5146] <... set_robust_list resumed>) = 0 [pid 5145] <... prctl resumed>) = 0 [pid 5144] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5143] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5141] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... clone resumed>, child_tidptr=0x555574305690) = 5146 [pid 5146] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5145] setpgid(0, 0 [pid 5141] <... futex resumed>) = 0 [pid 5145] <... setpgid resumed>) = 0 [pid 5141] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5146] <... prctl resumed>) = 0 [pid 5144] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5146] setpgid(0, 0 [pid 5145] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5144] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5146] <... setpgid resumed>) = 0 [pid 5145] <... openat resumed>) = 3 [pid 5142] <... bpf resumed>) = 5 ./strace-static-x86_64: Process 5147 attached [pid 5146] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5145] write(3, "1000", 4 [pid 5143] <... bpf resumed>) = 5 [pid 5147] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5146] <... openat resumed>) = 3 [pid 5145] <... write resumed>) = 4 [pid 5144] <... clone3 resumed> => {parent_tid=[5147]}, 88) = 5147 [pid 5143] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5142] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5147] <... rseq resumed>) = 0 [pid 5146] write(3, "1000", 4 [pid 5145] close(3 [pid 5144] rt_sigprocmask(SIG_SETMASK, [], [pid 5143] <... futex resumed>) = 1 [pid 5142] <... futex resumed>) = 1 [pid 5141] <... futex resumed>) = 0 [pid 5140] <... futex resumed>) = 0 [pid 5147] set_robust_list(0x7fa95d45d9a0, 24 [pid 5146] <... write resumed>) = 4 [pid 5145] <... close resumed>) = 0 [pid 5144] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5143] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5142] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5141] exit_group(0 [pid 5140] exit_group(0 [pid 5147] <... set_robust_list resumed>) = 0 [pid 5146] close(3 [pid 5145] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5144] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5143] <... futex resumed>) = ? [pid 5142] <... futex resumed>) = ? [pid 5141] <... exit_group resumed>) = ? [pid 5140] <... exit_group resumed>) = ? [pid 5147] rt_sigprocmask(SIG_SETMASK, [], [pid 5146] <... close resumed>) = 0 [pid 5145] <... futex resumed>) = 0 [pid 5144] <... futex resumed>) = 0 [pid 5142] +++ exited with 0 +++ [pid 5146] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5144] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5146] <... futex resumed>) = 0 [pid 5143] +++ exited with 0 +++ [pid 5141] +++ exited with 0 +++ [pid 5146] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, NULL, 8) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5141, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5146] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5072] restart_syscall(<... resuming interrupted clone ...> [pid 5140] +++ exited with 0 +++ [pid 5147] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5146] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5145] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5140, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5072] <... restart_syscall resumed>) = 0 [pid 5147] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5145] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5147] <... bpf resumed>) = 3 [pid 5146] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5145] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5147] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5146] <... mmap resumed>) = 0x7fa95d43d000 [pid 5145] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5147] <... futex resumed>) = 1 [pid 5146] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5145] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5144] <... futex resumed>) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5147] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5146] <... mprotect resumed>) = 0 [pid 5145] <... mmap resumed>) = 0x7fa95d43d000 [pid 5144] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5147] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5145] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5144] <... futex resumed>) = 0 [pid 5147] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5145] <... mprotect resumed>) = 0 [pid 5144] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5148 attached [pid 5146] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5074] <... clone resumed>, child_tidptr=0x555574305690) = 5148 ./strace-static-x86_64: Process 5149 attached [pid 5148] set_robust_list(0x5555743056a0, 24 [pid 5146] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x555574305690) = 5149 [pid 5149] set_robust_list(0x5555743056a0, 24 [pid 5148] <... set_robust_list resumed>) = 0 [pid 5146] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5149] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5150 attached [pid 5149] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5148] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5147] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5145] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5150] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5147] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5145] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5149] <... prctl resumed>) = 0 [pid 5150] <... rseq resumed>) = 0 [pid 5148] <... prctl resumed>) = 0 [pid 5147] <... futex resumed>) = 1 [pid 5149] setpgid(0, 0 [pid 5145] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5144] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5151 attached [pid 5150] set_robust_list(0x7fa95d45d9a0, 24 [pid 5149] <... setpgid resumed>) = 0 [pid 5148] setpgid(0, 0 [pid 5147] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5146] <... clone3 resumed> => {parent_tid=[5150]}, 88) = 5150 [pid 5144] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5151] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5150] <... set_robust_list resumed>) = 0 [pid 5147] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5146] rt_sigprocmask(SIG_SETMASK, [], [pid 5148] <... setpgid resumed>) = 0 [pid 5144] <... futex resumed>) = 0 [pid 5151] <... rseq resumed>) = 0 [pid 5150] rt_sigprocmask(SIG_SETMASK, [], [pid 5149] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5147] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5146] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5145] <... clone3 resumed> => {parent_tid=[5151]}, 88) = 5151 [pid 5144] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5151] set_robust_list(0x7fa95d45d9a0, 24 [pid 5150] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5149] <... openat resumed>) = 3 [pid 5148] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5147] <... bpf resumed>) = 4 [pid 5146] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5145] rt_sigprocmask(SIG_SETMASK, [], [pid 5151] <... set_robust_list resumed>) = 0 [pid 5150] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5149] write(3, "1000", 4 [pid 5148] <... openat resumed>) = 3 [pid 5147] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5146] <... futex resumed>) = 0 [pid 5145] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5151] rt_sigprocmask(SIG_SETMASK, [], [pid 5150] <... bpf resumed>) = 3 [pid 5149] <... write resumed>) = 4 [pid 5148] write(3, "1000", 4 [pid 5147] <... futex resumed>) = 1 [pid 5146] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5145] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5144] <... futex resumed>) = 0 [pid 5151] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5150] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5149] close(3 [pid 5148] <... write resumed>) = 4 [pid 5147] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5146] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5145] <... futex resumed>) = 0 [pid 5144] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5151] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5150] <... futex resumed>) = 0 [pid 5149] <... close resumed>) = 0 [pid 5148] close(3 [pid 5147] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5146] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5145] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5144] <... futex resumed>) = 0 [pid 5151] <... bpf resumed>) = 3 [pid 5150] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5148] <... close resumed>) = 0 [pid 5147] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5144] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5151] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5150] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5149] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5148] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5147] <... bpf resumed>) = 5 [pid 5146] <... futex resumed>) = 0 [pid 5151] <... futex resumed>) = 1 [pid 5150] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5149] <... futex resumed>) = 0 [pid 5148] <... futex resumed>) = 0 [pid 5147] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5146] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5145] <... futex resumed>) = 0 [pid 5151] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5150] <... futex resumed>) = 0 [pid 5149] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5148] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5147] <... futex resumed>) = 1 [pid 5146] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5145] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5144] <... futex resumed>) = 0 [pid 5151] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5150] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5149] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5148] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5147] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5146] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5145] <... futex resumed>) = 0 [pid 5144] exit_group(0 [pid 5151] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5150] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5149] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5148] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5147] <... futex resumed>) = ? [pid 5146] <... futex resumed>) = 0 [pid 5145] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5144] <... exit_group resumed>) = ? [pid 5151] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5150] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5149] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5148] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5147] +++ exited with 0 +++ [pid 5146] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5151] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5149] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5148] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5151] <... futex resumed>) = 1 [pid 5149] <... mmap resumed>) = 0x7fa95d43d000 [pid 5148] <... mmap resumed>) = 0x7fa95d43d000 [pid 5145] <... futex resumed>) = 0 [pid 5151] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5150] <... bpf resumed>) = 4 [pid 5149] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5148] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5145] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5144] +++ exited with 0 +++ [pid 5150] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5145] <... futex resumed>) = 0 [pid 5151] <... bpf resumed>) = 4 [pid 5150] <... futex resumed>) = 1 [pid 5149] <... mprotect resumed>) = 0 [pid 5148] <... mprotect resumed>) = 0 [pid 5146] <... futex resumed>) = 0 [pid 5145] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5150] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5149] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5148] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5146] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5144, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5151] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5150] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5149] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5148] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5146] <... futex resumed>) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5151] <... futex resumed>) = 1 [pid 5150] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5149] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5148] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5146] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5145] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5154 attached ./strace-static-x86_64: Process 5153 attached ./strace-static-x86_64: Process 5152 attached [pid 5151] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5150] <... bpf resumed>) = 5 [pid 5145] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5154] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5153] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5152] set_robust_list(0x5555743056a0, 24 [pid 5151] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5150] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5145] <... futex resumed>) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555574305690) = 5152 [pid 5154] <... rseq resumed>) = 0 [pid 5153] <... rseq resumed>) = 0 [pid 5152] <... set_robust_list resumed>) = 0 [pid 5151] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5150] <... futex resumed>) = 1 [pid 5149] <... clone3 resumed> => {parent_tid=[5153]}, 88) = 5153 [pid 5148] <... clone3 resumed> => {parent_tid=[5154]}, 88) = 5154 [pid 5146] <... futex resumed>) = 0 [pid 5145] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5154] set_robust_list(0x7fa95d45d9a0, 24 [pid 5153] set_robust_list(0x7fa95d45d9a0, 24 [pid 5152] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5151] <... bpf resumed>) = 5 [pid 5150] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5149] rt_sigprocmask(SIG_SETMASK, [], [pid 5148] rt_sigprocmask(SIG_SETMASK, [], [pid 5146] exit_group(0 [pid 5154] <... set_robust_list resumed>) = 0 [pid 5153] <... set_robust_list resumed>) = 0 [pid 5152] <... prctl resumed>) = 0 [pid 5151] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5150] <... futex resumed>) = ? [pid 5149] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5148] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5146] <... exit_group resumed>) = ? [pid 5154] rt_sigprocmask(SIG_SETMASK, [], [pid 5153] rt_sigprocmask(SIG_SETMASK, [], [pid 5152] setpgid(0, 0 [pid 5151] <... futex resumed>) = 1 [pid 5150] +++ exited with 0 +++ [pid 5149] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5148] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5145] <... futex resumed>) = 0 [pid 5151] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5149] <... futex resumed>) = 0 [pid 5148] <... futex resumed>) = 0 [pid 5154] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5153] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5152] <... setpgid resumed>) = 0 [pid 5149] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5148] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5145] exit_group(0 [pid 5154] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5153] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5152] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5151] <... futex resumed>) = ? [pid 5145] <... exit_group resumed>) = ? [pid 5154] <... bpf resumed>) = 3 [pid 5153] <... bpf resumed>) = 3 [pid 5152] <... openat resumed>) = 3 [pid 5151] +++ exited with 0 +++ [pid 5154] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5153] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5152] write(3, "1000", 4 [pid 5154] <... futex resumed>) = 1 [pid 5153] <... futex resumed>) = 1 [pid 5152] <... write resumed>) = 4 [pid 5149] <... futex resumed>) = 0 [pid 5148] <... futex resumed>) = 0 [pid 5154] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5153] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5152] close(3 [pid 5149] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5148] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5154] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5153] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5152] <... close resumed>) = 0 [pid 5149] <... futex resumed>) = 0 [pid 5154] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5153] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5152] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5149] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5148] <... futex resumed>) = 0 [pid 5154] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5153] <... futex resumed>) = 0 [pid 5152] <... futex resumed>) = 0 [pid 5149] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5148] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5154] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5153] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5152] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5149] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5148] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5146] +++ exited with 0 +++ [pid 5154] <... futex resumed>) = 0 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5146, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5154] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5153] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5152] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5153] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5152] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5153] <... bpf resumed>) = 4 [pid 5149] <... futex resumed>) = 0 [pid 5148] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5152] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5145] +++ exited with 0 +++ [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5154] <... futex resumed>) = 0 [pid 5153] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5152] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5149] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5148] <... futex resumed>) = 1 [pid 5149] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5148] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5145, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5155 attached [pid 5154] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5153] <... futex resumed>) = 0 [pid 5152] <... mmap resumed>) = 0x7fa95d43d000 [pid 5149] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] restart_syscall(<... resuming interrupted clone ...> [pid 5155] set_robust_list(0x5555743056a0, 24 [pid 5154] <... bpf resumed>) = 4 [pid 5153] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5152] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5149] <... futex resumed>) = 0 [pid 5068] <... restart_syscall resumed>) = 0 [pid 5067] <... clone resumed>, child_tidptr=0x555574305690) = 5155 [pid 5155] <... set_robust_list resumed>) = 0 [pid 5154] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5152] <... mprotect resumed>) = 0 [pid 5149] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5155] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5154] <... futex resumed>) = 1 [pid 5152] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5148] <... futex resumed>) = 0 [pid 5155] <... prctl resumed>) = 0 [pid 5154] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5152] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5148] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5154] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5152] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5148] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5156 attached ./strace-static-x86_64: Process 5157 attached [pid 5155] setpgid(0, 0 [pid 5154] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5148] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5157] set_robust_list(0x5555743056a0, 24 [pid 5156] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5155] <... setpgid resumed>) = 0 [pid 5152] <... clone3 resumed> => {parent_tid=[5156]}, 88) = 5156 [pid 5157] <... set_robust_list resumed>) = 0 [pid 5156] <... rseq resumed>) = 0 [pid 5155] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5152] rt_sigprocmask(SIG_SETMASK, [], [pid 5068] <... clone resumed>, child_tidptr=0x555574305690) = 5157 [pid 5157] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5156] set_robust_list(0x7fa95d45d9a0, 24 [pid 5152] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5157] <... prctl resumed>) = 0 [pid 5156] <... set_robust_list resumed>) = 0 [pid 5155] <... openat resumed>) = 3 [pid 5152] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5157] setpgid(0, 0 [pid 5156] rt_sigprocmask(SIG_SETMASK, [], [pid 5152] <... futex resumed>) = 0 [pid 5157] <... setpgid resumed>) = 0 [pid 5156] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5155] write(3, "1000", 4 [pid 5152] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5157] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5156] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5155] <... write resumed>) = 4 [pid 5154] <... bpf resumed>) = 5 [pid 5153] <... bpf resumed>) = 5 [pid 5157] <... openat resumed>) = 3 [pid 5155] close(3 [pid 5153] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5156] <... bpf resumed>) = 3 [pid 5157] write(3, "1000", 4 [pid 5155] <... close resumed>) = 0 [pid 5154] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5153] <... futex resumed>) = 1 [pid 5156] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5149] <... futex resumed>) = 0 [pid 5157] <... write resumed>) = 4 [pid 5156] <... futex resumed>) = 1 [pid 5155] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5154] <... futex resumed>) = 1 [pid 5153] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5152] <... futex resumed>) = 0 [pid 5149] exit_group(0 [pid 5148] <... futex resumed>) = 0 [pid 5157] close(3 [pid 5156] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5155] <... futex resumed>) = 0 [pid 5154] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5153] <... futex resumed>) = ? [pid 5152] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5149] <... exit_group resumed>) = ? [pid 5148] exit_group(0 [pid 5157] <... close resumed>) = 0 [pid 5156] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5155] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5154] <... futex resumed>) = ? [pid 5153] +++ exited with 0 +++ [pid 5152] <... futex resumed>) = 0 [pid 5148] <... exit_group resumed>) = ? [pid 5157] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5156] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5154] +++ exited with 0 +++ [pid 5152] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5155] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5157] <... futex resumed>) = 0 [pid 5156] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5155] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5157] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5156] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5155] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5157] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5156] <... futex resumed>) = 1 [pid 5155] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5152] <... futex resumed>) = 0 [pid 5157] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5156] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5155] <... mmap resumed>) = 0x7fa95d43d000 [pid 5152] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5157] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5156] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5155] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5152] <... futex resumed>) = 0 [pid 5157] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5156] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5155] <... mprotect resumed>) = 0 [pid 5152] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5157] <... mmap resumed>) = 0x7fa95d43d000 [pid 5156] <... bpf resumed>) = 4 [pid 5155] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5157] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5156] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5157] <... mprotect resumed>) = 0 [pid 5156] <... futex resumed>) = 1 [pid 5155] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5152] <... futex resumed>) = 0 [pid 5157] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5156] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5155] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5152] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5158 attached [pid 5157] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5156] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5152] <... futex resumed>) = 0 [pid 5158] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5157] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5156] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5155] <... clone3 resumed> => {parent_tid=[5158]}, 88) = 5158 [pid 5152] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000}./strace-static-x86_64: Process 5159 attached [pid 5158] <... rseq resumed>) = 0 [pid 5155] rt_sigprocmask(SIG_SETMASK, [], [pid 5159] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5158] set_robust_list(0x7fa95d45d9a0, 24 [pid 5157] <... clone3 resumed> => {parent_tid=[5159]}, 88) = 5159 [pid 5155] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5159] <... rseq resumed>) = 0 [pid 5158] <... set_robust_list resumed>) = 0 [pid 5157] rt_sigprocmask(SIG_SETMASK, [], [pid 5159] set_robust_list(0x7fa95d45d9a0, 24 [pid 5158] rt_sigprocmask(SIG_SETMASK, [], [pid 5157] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5159] <... set_robust_list resumed>) = 0 [pid 5158] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5157] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5159] rt_sigprocmask(SIG_SETMASK, [], [pid 5158] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5157] <... futex resumed>) = 0 [pid 5155] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5159] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5158] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5157] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5155] <... futex resumed>) = 0 [pid 5159] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5158] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5159] <... bpf resumed>) = 3 [pid 5155] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5159] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5158] <... bpf resumed>) = 3 [pid 5157] <... futex resumed>) = 0 [pid 5149] +++ exited with 0 +++ [pid 5148] +++ exited with 0 +++ [pid 5159] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5158] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5157] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5148, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5149, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5159] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5158] <... futex resumed>) = 1 [pid 5157] <... futex resumed>) = 0 [pid 5155] <... futex resumed>) = 0 [pid 5159] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5158] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5157] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5155] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5159] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5158] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5155] <... futex resumed>) = 0 [pid 5159] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5158] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5155] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5159] <... futex resumed>) = 1 [pid 5158] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5157] <... futex resumed>) = 0 [pid 5159] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5158] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5157] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5155] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5158] <... futex resumed>) = 0 [pid 5157] <... futex resumed>) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5158] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5157] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5155] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5158] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5158] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5159] <... bpf resumed>) = 4 [pid 5158] <... bpf resumed>) = 4 [pid 5155] <... futex resumed>) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5158] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5161 attached ./strace-static-x86_64: Process 5160 attached [pid 5159] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5156] <... bpf resumed>) = 5 [pid 5155] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5161] set_robust_list(0x5555743056a0, 24 [pid 5160] set_robust_list(0x5555743056a0, 24 [pid 5158] <... futex resumed>) = 0 [pid 5156] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5155] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5161] <... set_robust_list resumed>) = 0 [pid 5160] <... set_robust_list resumed>) = 0 [pid 5158] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5156] <... futex resumed>) = 1 [pid 5155] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5152] <... futex resumed>) = 0 [pid 5159] <... futex resumed>) = 1 [pid 5072] <... clone resumed>, child_tidptr=0x555574305690) = 5161 [pid 5157] <... futex resumed>) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x555574305690) = 5160 [pid 5161] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5160] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5159] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5158] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5156] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5157] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5155] <... futex resumed>) = 0 [pid 5152] exit_group(0 [pid 5161] <... prctl resumed>) = 0 [pid 5160] <... prctl resumed>) = 0 [pid 5159] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5158] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5157] <... futex resumed>) = 0 [pid 5156] <... futex resumed>) = ? [pid 5155] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5152] <... exit_group resumed>) = ? [pid 5161] setpgid(0, 0 [pid 5160] setpgid(0, 0 [pid 5159] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5158] <... bpf resumed>) = 5 [pid 5157] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5156] +++ exited with 0 +++ [pid 5161] <... setpgid resumed>) = 0 [pid 5160] <... setpgid resumed>) = 0 [pid 5159] <... bpf resumed>) = 5 [pid 5158] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5152] +++ exited with 0 +++ [pid 5161] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5159] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5160] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5159] <... futex resumed>) = 1 [pid 5158] <... futex resumed>) = 1 [pid 5157] <... futex resumed>) = 0 [pid 5155] <... futex resumed>) = 0 [pid 5161] <... openat resumed>) = 3 [pid 5160] <... openat resumed>) = 3 [pid 5159] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5158] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5157] exit_group(0 [pid 5155] exit_group(0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5152, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5161] write(3, "1000", 4 [pid 5160] write(3, "1000", 4 [pid 5159] <... futex resumed>) = ? [pid 5158] <... futex resumed>) = ? [pid 5157] <... exit_group resumed>) = ? [pid 5155] <... exit_group resumed>) = ? [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5161] <... write resumed>) = 4 [pid 5160] <... write resumed>) = 4 [pid 5159] +++ exited with 0 +++ [pid 5158] +++ exited with 0 +++ [pid 5161] close(3 [pid 5160] close(3) = 0 [pid 5160] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5161] <... close resumed>) = 0 [pid 5160] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5161] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5160] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5161] <... futex resumed>) = 0 [pid 5160] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5161] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5160] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5161] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5160] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5161] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5160] <... mmap resumed>) = 0x7fa95d43d000 [pid 5161] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5160] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5162 attached [pid 5161] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5160] <... mprotect resumed>) = 0 [pid 5162] set_robust_list(0x5555743056a0, 24 [pid 5161] <... mmap resumed>) = 0x7fa95d43d000 [pid 5160] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5070] <... clone resumed>, child_tidptr=0x555574305690) = 5162 [pid 5161] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5162] <... set_robust_list resumed>) = 0 [pid 5161] <... mprotect resumed>) = 0 [pid 5160] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5162] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5161] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5160] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0}./strace-static-x86_64: Process 5163 attached [pid 5162] <... prctl resumed>) = 0 [pid 5161] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5163] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5162] setpgid(0, 0 [pid 5161] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5160] <... clone3 resumed> => {parent_tid=[5163]}, 88) = 5163 [pid 5157] +++ exited with 0 +++ [pid 5155] +++ exited with 0 +++ [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5157, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5068] restart_syscall(<... resuming interrupted clone ...>) = 0 ./strace-static-x86_64: Process 5164 attached [pid 5163] <... rseq resumed>) = 0 [pid 5162] <... setpgid resumed>) = 0 [pid 5160] rt_sigprocmask(SIG_SETMASK, [], [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5155, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5164] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5163] set_robust_list(0x7fa95d45d9a0, 24 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] restart_syscall(<... resuming interrupted clone ...> [pid 5164] <... rseq resumed>) = 0 [pid 5163] <... set_robust_list resumed>) = 0 [pid 5162] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5161] <... clone3 resumed> => {parent_tid=[5164]}, 88) = 5164 [pid 5160] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5067] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 5165 attached [pid 5164] set_robust_list(0x7fa95d45d9a0, 24 [pid 5163] rt_sigprocmask(SIG_SETMASK, [], [pid 5161] rt_sigprocmask(SIG_SETMASK, [], [pid 5160] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5165] set_robust_list(0x5555743056a0, 24 [pid 5163] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5161] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5160] <... futex resumed>) = 0 [pid 5161] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5164] <... set_robust_list resumed>) = 0 [pid 5164] rt_sigprocmask(SIG_SETMASK, [], [pid 5163] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5165] <... set_robust_list resumed>) = 0 [pid 5164] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5162] <... openat resumed>) = 3 [pid 5161] <... futex resumed>) = 0 [pid 5160] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... clone resumed>, child_tidptr=0x555574305690) = 5165 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5165] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5164] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5163] <... bpf resumed>) = 3 [pid 5162] write(3, "1000", 4 [pid 5161] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5164] <... bpf resumed>) = 3 [pid 5164] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5164] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5165] <... prctl resumed>) = 0 [pid 5162] <... write resumed>) = 4 [pid 5165] setpgid(0, 0 [pid 5163] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5162] close(3 [pid 5161] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 5166 attached [pid 5165] <... setpgid resumed>) = 0 [pid 5163] <... futex resumed>) = 1 [pid 5162] <... close resumed>) = 0 [pid 5161] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5160] <... futex resumed>) = 0 [pid 5163] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5160] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... clone resumed>, child_tidptr=0x555574305690) = 5166 [pid 5164] <... futex resumed>) = 0 [pid 5163] <... futex resumed>) = 0 [pid 5162] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5161] <... futex resumed>) = 1 [pid 5160] <... futex resumed>) = 1 [pid 5166] set_robust_list(0x5555743056a0, 24 [pid 5163] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5160] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5166] <... set_robust_list resumed>) = 0 [pid 5165] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5162] <... futex resumed>) = 0 [pid 5161] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5163] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5162] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5164] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5166] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5164] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5163] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5162] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5165] <... openat resumed>) = 3 [pid 5166] <... prctl resumed>) = 0 [pid 5164] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5163] <... futex resumed>) = 1 [pid 5162] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5160] <... futex resumed>) = 0 [pid 5166] setpgid(0, 0 [pid 5165] write(3, "1000", 4 [pid 5164] <... futex resumed>) = 1 [pid 5163] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5162] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5161] <... futex resumed>) = 0 [pid 5160] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5166] <... setpgid resumed>) = 0 [pid 5165] <... write resumed>) = 4 [pid 5164] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5163] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5162] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5161] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5165] close(3 [pid 5164] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5163] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5162] <... mmap resumed>) = 0x7fa95d43d000 [pid 5161] <... futex resumed>) = 0 [pid 5160] <... futex resumed>) = 0 [pid 5166] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5165] <... close resumed>) = 0 [pid 5164] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5161] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5166] <... openat resumed>) = 3 [pid 5165] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5164] <... bpf resumed>) = 4 [pid 5163] <... bpf resumed>) = 4 [pid 5162] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5160] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5165] <... futex resumed>) = 0 [pid 5162] <... mprotect resumed>) = 0 [pid 5163] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5165] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5164] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5166] write(3, "1000", 4 [pid 5165] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5164] <... futex resumed>) = 1 [pid 5163] <... futex resumed>) = 1 [pid 5161] <... futex resumed>) = 0 [pid 5160] <... futex resumed>) = 0 [pid 5166] <... write resumed>) = 4 [pid 5165] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5164] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5163] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5162] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5161] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5160] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5166] close(3 [pid 5165] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5164] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5163] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5161] <... futex resumed>) = 0 [pid 5160] <... futex resumed>) = 0 [pid 5162] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5166] <... close resumed>) = 0 [pid 5165] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5164] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5163] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5162] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5161] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5160] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000}./strace-static-x86_64: Process 5167 attached [pid 5166] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5165] <... mmap resumed>) = 0x7fa95d43d000 [pid 5164] <... bpf resumed>) = 5 [pid 5167] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5164] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5167] <... rseq resumed>) = 0 [pid 5164] <... futex resumed>) = 1 [pid 5161] <... futex resumed>) = 0 [pid 5167] set_robust_list(0x7fa95d45d9a0, 24 [pid 5164] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5161] exit_group(0 [pid 5167] <... set_robust_list resumed>) = 0 [pid 5164] <... futex resumed>) = ? [pid 5161] <... exit_group resumed>) = ? [pid 5167] rt_sigprocmask(SIG_SETMASK, [], [pid 5166] <... futex resumed>) = 0 [pid 5165] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5164] +++ exited with 0 +++ [pid 5163] <... bpf resumed>) = 5 [pid 5162] <... clone3 resumed> => {parent_tid=[5167]}, 88) = 5167 [pid 5167] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5166] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5165] <... mprotect resumed>) = 0 [pid 5167] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5166] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5165] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5163] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5166] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5162] rt_sigprocmask(SIG_SETMASK, [], [pid 5166] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5165] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5162] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5166] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5163] <... futex resumed>) = 1 [pid 5162] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5160] <... futex resumed>) = 0 [pid 5167] <... futex resumed>) = 0 [pid 5166] <... mmap resumed>) = 0x7fa95d43d000 [pid 5165] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5163] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5162] <... futex resumed>) = 1 [pid 5160] exit_group(0./strace-static-x86_64: Process 5168 attached [pid 5167] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5166] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5163] <... futex resumed>) = ? [pid 5160] <... exit_group resumed>) = ? [pid 5168] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5167] <... bpf resumed>) = 3 [pid 5166] <... mprotect resumed>) = 0 [pid 5165] <... clone3 resumed> => {parent_tid=[5168]}, 88) = 5168 [pid 5163] +++ exited with 0 +++ [pid 5162] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5161] +++ exited with 0 +++ [pid 5160] +++ exited with 0 +++ [pid 5168] <... rseq resumed>) = 0 [pid 5167] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5168] set_robust_list(0x7fa95d45d9a0, 24 [pid 5167] <... futex resumed>) = 0 [pid 5168] <... set_robust_list resumed>) = 0 [pid 5167] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5168] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5166] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5165] rt_sigprocmask(SIG_SETMASK, [], [pid 5162] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5168] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5165] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5162] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5160, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5161, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5166] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5167] <... futex resumed>) = 0 [pid 5165] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5162] <... futex resumed>) = 1 [pid 5074] restart_syscall(<... resuming interrupted clone ...> [pid 5072] restart_syscall(<... resuming interrupted clone ...> [pid 5168] <... futex resumed>) = 0 [pid 5167] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5166] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5165] <... futex resumed>) = 1 [pid 5162] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5074] <... restart_syscall resumed>) = 0 [pid 5072] <... restart_syscall resumed>) = 0 [pid 5168] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5167] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5165] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5169 attached [pid 5168] <... bpf resumed>) = 3 [pid 5167] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5169] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5168] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5167] <... futex resumed>) = 1 [pid 5162] <... futex resumed>) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5169] <... rseq resumed>) = 0 [pid 5168] <... futex resumed>) = 1 [pid 5167] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5169] set_robust_list(0x7fa95d45d9a0, 24 [pid 5168] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5169] <... set_robust_list resumed>) = 0 [pid 5169] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5166] <... clone3 resumed> => {parent_tid=[5169]}, 88) = 5169 [pid 5165] <... futex resumed>) = 0 [pid 5162] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5169] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5170 attached [pid 5167] <... futex resumed>) = 0 [pid 5166] rt_sigprocmask(SIG_SETMASK, [], [pid 5165] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5162] <... futex resumed>) = 1 [pid 5167] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5166] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5165] <... futex resumed>) = 1 [pid 5162] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5072] <... clone resumed>, child_tidptr=0x555574305690) = 5170 ./strace-static-x86_64: Process 5171 attached [pid 5170] set_robust_list(0x5555743056a0, 24 [pid 5168] <... futex resumed>) = 0 [pid 5167] <... bpf resumed>) = 4 [pid 5165] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5170] <... set_robust_list resumed>) = 0 [pid 5168] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5166] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5171] set_robust_list(0x5555743056a0, 24 [pid 5170] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5169] <... futex resumed>) = 0 [pid 5168] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5167] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5166] <... futex resumed>) = 1 [pid 5074] <... clone resumed>, child_tidptr=0x555574305690) = 5171 [pid 5171] <... set_robust_list resumed>) = 0 [pid 5170] <... prctl resumed>) = 0 [pid 5169] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5168] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5167] <... futex resumed>) = 1 [pid 5166] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5162] <... futex resumed>) = 0 [pid 5171] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5170] setpgid(0, 0 [pid 5169] <... bpf resumed>) = 3 [pid 5168] <... futex resumed>) = 1 [pid 5167] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5165] <... futex resumed>) = 0 [pid 5162] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5171] <... prctl resumed>) = 0 [pid 5170] <... setpgid resumed>) = 0 [pid 5169] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5168] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5167] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5165] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5162] <... futex resumed>) = 0 [pid 5171] setpgid(0, 0 [pid 5170] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5169] <... futex resumed>) = 1 [pid 5168] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5167] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5166] <... futex resumed>) = 0 [pid 5165] <... futex resumed>) = 0 [pid 5162] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5171] <... setpgid resumed>) = 0 [pid 5169] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5168] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5166] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5165] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5171] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5167] <... bpf resumed>) = 5 [pid 5166] <... futex resumed>) = 0 [pid 5167] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5166] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5171] <... openat resumed>) = 3 [pid 5170] <... openat resumed>) = 3 [pid 5169] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5168] <... bpf resumed>) = 4 [pid 5167] <... futex resumed>) = 1 [pid 5162] <... futex resumed>) = 0 [pid 5171] write(3, "1000", 4 [pid 5170] write(3, "1000", 4 [pid 5169] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5167] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5162] exit_group(0 [pid 5171] <... write resumed>) = 4 [pid 5170] <... write resumed>) = 4 [pid 5169] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5168] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5167] <... futex resumed>) = ? [pid 5162] <... exit_group resumed>) = ? [pid 5171] close(3 [pid 5170] close(3 [pid 5169] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5168] <... futex resumed>) = 1 [pid 5167] +++ exited with 0 +++ [pid 5165] <... futex resumed>) = 0 [pid 5170] <... close resumed>) = 0 [pid 5169] <... futex resumed>) = 1 [pid 5168] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5165] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5171] <... close resumed>) = 0 [pid 5170] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5169] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5168] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5166] <... futex resumed>) = 0 [pid 5165] <... futex resumed>) = 0 [pid 5170] <... futex resumed>) = 0 [pid 5168] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5170] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5165] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5171] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5170] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5166] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5162] +++ exited with 0 +++ [pid 5171] <... futex resumed>) = 0 [pid 5170] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5169] <... futex resumed>) = 0 [pid 5166] <... futex resumed>) = 1 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5162, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5171] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5170] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5169] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5166] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 5171] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5170] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5169] <... bpf resumed>) = 4 [pid 5070] <... restart_syscall resumed>) = 0 [pid 5171] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5170] <... mmap resumed>) = 0x7fa95d43d000 [pid 5171] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5170] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5169] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5171] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5170] <... mprotect resumed>) = 0 [pid 5169] <... futex resumed>) = 1 [pid 5166] <... futex resumed>) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5171] <... mmap resumed>) = 0x7fa95d43d000 [pid 5170] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5169] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5166] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5170] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5171] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5170] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5166] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5171] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 5173 attached ./strace-static-x86_64: Process 5172 attached [pid 5170] <... clone3 resumed> => {parent_tid=[5173]}, 88) = 5173 [pid 5070] <... clone resumed>, child_tidptr=0x555574305690) = 5172 [pid 5171] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5173] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5172] set_robust_list(0x5555743056a0, 24 [pid 5170] rt_sigprocmask(SIG_SETMASK, [], [pid 5173] <... rseq resumed>) = 0 [pid 5172] <... set_robust_list resumed>) = 0 [pid 5171] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5170] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5173] set_robust_list(0x7fa95d45d9a0, 24 [pid 5172] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5171] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5170] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5173] <... set_robust_list resumed>) = 0 [pid 5169] <... bpf resumed>) = 5 [pid 5168] <... bpf resumed>) = 5 ./strace-static-x86_64: Process 5174 attached [pid 5173] rt_sigprocmask(SIG_SETMASK, [], [pid 5172] <... prctl resumed>) = 0 [pid 5171] <... clone3 resumed> => {parent_tid=[5174]}, 88) = 5174 [pid 5170] <... futex resumed>) = 0 [pid 5169] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5168] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5174] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5173] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5172] setpgid(0, 0 [pid 5171] rt_sigprocmask(SIG_SETMASK, [], [pid 5170] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5169] <... futex resumed>) = 1 [pid 5168] <... futex resumed>) = 1 [pid 5166] <... futex resumed>) = 0 [pid 5165] <... futex resumed>) = 0 [pid 5174] <... rseq resumed>) = 0 [pid 5173] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5172] <... setpgid resumed>) = 0 [pid 5171] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5169] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5168] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5165] exit_group(0 [pid 5166] exit_group(0 [pid 5174] set_robust_list(0x7fa95d45d9a0, 24 [pid 5173] <... bpf resumed>) = 3 [pid 5173] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5172] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5171] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5168] <... futex resumed>) = ? [pid 5165] <... exit_group resumed>) = ? [pid 5174] <... set_robust_list resumed>) = 0 [pid 5173] <... futex resumed>) = 1 [pid 5171] <... futex resumed>) = 0 [pid 5170] <... futex resumed>) = 0 [pid 5169] <... futex resumed>) = ? [pid 5168] +++ exited with 0 +++ [pid 5166] <... exit_group resumed>) = ? [pid 5174] rt_sigprocmask(SIG_SETMASK, [], [pid 5173] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5172] <... openat resumed>) = 3 [pid 5171] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5170] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5169] +++ exited with 0 +++ [pid 5174] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5173] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5172] write(3, "1000", 4 [pid 5170] <... futex resumed>) = 0 [pid 5173] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5170] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5173] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5174] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5172] <... write resumed>) = 4 [pid 5173] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5172] close(3 [pid 5174] <... bpf resumed>) = 3 [pid 5173] <... futex resumed>) = 1 [pid 5172] <... close resumed>) = 0 [pid 5170] <... futex resumed>) = 0 [pid 5173] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5172] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5170] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5174] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5173] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5172] <... futex resumed>) = 0 [pid 5170] <... futex resumed>) = 0 [pid 5174] <... futex resumed>) = 1 [pid 5173] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5172] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5171] <... futex resumed>) = 0 [pid 5170] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5174] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5173] <... bpf resumed>) = 4 [pid 5172] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5171] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5166] +++ exited with 0 +++ [pid 5165] +++ exited with 0 +++ [pid 5174] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5172] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5171] <... futex resumed>) = 0 [pid 5174] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5172] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5171] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5174] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5174] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5173] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5172] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5171] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5165, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5166, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5174] <... futex resumed>) = 0 [pid 5173] <... futex resumed>) = 1 [pid 5172] <... mmap resumed>) = 0x7fa95d43d000 [pid 5171] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5170] <... futex resumed>) = 0 [pid 5174] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5173] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5172] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5171] <... futex resumed>) = 0 [pid 5170] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5173] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5170] <... futex resumed>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5175 attached ./strace-static-x86_64: Process 5176 attached [pid 5174] <... bpf resumed>) = 4 [pid 5173] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5172] <... mprotect resumed>) = 0 [pid 5171] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5170] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5176] set_robust_list(0x5555743056a0, 24 [pid 5175] set_robust_list(0x5555743056a0, 24 [pid 5174] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5173] <... bpf resumed>) = 5 [pid 5171] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5176] <... set_robust_list resumed>) = 0 [pid 5175] <... set_robust_list resumed>) = 0 [pid 5171] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5175] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5174] <... futex resumed>) = 0 [pid 5171] <... futex resumed>) = 0 [pid 5067] <... clone resumed>, child_tidptr=0x555574305690) = 5176 [pid 5176] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5175] <... prctl resumed>) = 0 [pid 5174] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5172] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5171] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5175] setpgid(0, 0 [pid 5176] <... prctl resumed>) = 0 [pid 5175] <... setpgid resumed>) = 0 [pid 5174] <... bpf resumed>) = 5 [pid 5173] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5172] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x555574305690) = 5175 [pid 5176] setpgid(0, 0 [pid 5175] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5174] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5173] <... futex resumed>) = 1 [pid 5172] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5170] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5177 attached [pid 5176] <... setpgid resumed>) = 0 [pid 5175] <... openat resumed>) = 3 [pid 5174] <... futex resumed>) = 1 [pid 5173] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5171] <... futex resumed>) = 0 [pid 5170] exit_group(0 [pid 5177] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5176] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5175] write(3, "1000", 4 [pid 5174] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5173] <... futex resumed>) = ? [pid 5172] <... clone3 resumed> => {parent_tid=[5177]}, 88) = 5177 [pid 5171] exit_group(0 [pid 5170] <... exit_group resumed>) = ? [pid 5177] <... rseq resumed>) = 0 [pid 5176] <... openat resumed>) = 3 [pid 5175] <... write resumed>) = 4 [pid 5174] <... futex resumed>) = ? [pid 5172] rt_sigprocmask(SIG_SETMASK, [], [pid 5171] <... exit_group resumed>) = ? [pid 5177] set_robust_list(0x7fa95d45d9a0, 24 [pid 5176] write(3, "1000", 4 [pid 5175] close(3 [pid 5174] +++ exited with 0 +++ [pid 5172] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5177] <... set_robust_list resumed>) = 0 [pid 5176] <... write resumed>) = 4 [pid 5175] <... close resumed>) = 0 [pid 5173] +++ exited with 0 +++ [pid 5172] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5171] +++ exited with 0 +++ [pid 5177] rt_sigprocmask(SIG_SETMASK, [], [pid 5176] close(3 [pid 5175] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5172] <... futex resumed>) = 0 [pid 5170] +++ exited with 0 +++ [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5171, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5177] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5176] <... close resumed>) = 0 [pid 5175] <... futex resumed>) = 0 [pid 5172] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5170, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5177] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5176] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5175] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5072] restart_syscall(<... resuming interrupted clone ...> [pid 5177] <... bpf resumed>) = 3 [pid 5176] <... futex resumed>) = 0 [pid 5175] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5072] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 5178 attached [pid 5177] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5176] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5175] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5178] set_robust_list(0x5555743056a0, 24 [pid 5177] <... futex resumed>) = 1 [pid 5176] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5175] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5172] <... futex resumed>) = 0 [pid 5178] <... set_robust_list resumed>) = 0 [pid 5177] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5176] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5175] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5172] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5178] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5177] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5176] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5175] <... mmap resumed>) = 0x7fa95d43d000 [pid 5172] <... futex resumed>) = 0 [pid 5178] <... prctl resumed>) = 0 [pid 5177] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5176] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5175] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5172] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5074] <... clone resumed>, child_tidptr=0x555574305690) = 5178 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5178] setpgid(0, 0 [pid 5177] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5176] <... mmap resumed>) = 0x7fa95d43d000 [pid 5175] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 5179 attached [pid 5178] <... setpgid resumed>) = 0 [pid 5177] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5176] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5179] set_robust_list(0x5555743056a0, 24 [pid 5175] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5179] <... set_robust_list resumed>) = 0 [pid 5177] <... futex resumed>) = 1 [pid 5176] <... mprotect resumed>) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x555574305690) = 5179 [pid 5179] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5178] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5177] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5175] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5172] <... futex resumed>) = 0 [pid 5176] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5179] <... prctl resumed>) = 0 [pid 5172] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5179] setpgid(0, 0 [pid 5178] <... openat resumed>) = 3 [pid 5176] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5175] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5172] <... futex resumed>) = 1 [pid 5177] <... futex resumed>) = 0 [pid 5179] <... setpgid resumed>) = 0 [pid 5178] write(3, "1000", 4 [pid 5177] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5176] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5172] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5180 attached [pid 5179] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5178] <... write resumed>) = 4 [pid 5180] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053) = 0 [pid 5177] <... bpf resumed>) = 4 ./strace-static-x86_64: Process 5181 attached [pid 5180] set_robust_list(0x7fa95d45d9a0, 24 [pid 5179] <... openat resumed>) = 3 [pid 5178] close(3 [pid 5177] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5175] <... clone3 resumed> => {parent_tid=[5180]}, 88) = 5180 [pid 5181] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5180] <... set_robust_list resumed>) = 0 [pid 5178] <... close resumed>) = 0 [pid 5177] <... futex resumed>) = 1 [pid 5176] <... clone3 resumed> => {parent_tid=[5181]}, 88) = 5181 [pid 5175] rt_sigprocmask(SIG_SETMASK, [], [pid 5172] <... futex resumed>) = 0 [pid 5181] <... rseq resumed>) = 0 [pid 5180] rt_sigprocmask(SIG_SETMASK, [], [pid 5179] write(3, "1000", 4 [pid 5178] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5177] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5176] rt_sigprocmask(SIG_SETMASK, [], [pid 5175] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5172] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5181] set_robust_list(0x7fa95d45d9a0, 24 [pid 5180] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5179] <... write resumed>) = 4 [pid 5178] <... futex resumed>) = 0 [pid 5177] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5176] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5175] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5172] <... futex resumed>) = 0 [pid 5181] <... set_robust_list resumed>) = 0 [pid 5180] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5179] close(3 [pid 5178] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5177] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5176] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5175] <... futex resumed>) = 0 [pid 5172] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5181] rt_sigprocmask(SIG_SETMASK, [], [pid 5180] <... bpf resumed>) = 3 [pid 5179] <... close resumed>) = 0 [pid 5178] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5176] <... futex resumed>) = 0 [pid 5175] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5181] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5180] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5179] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5178] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5177] <... bpf resumed>) = 5 [pid 5176] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5175] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5181] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5180] <... futex resumed>) = 0 [pid 5179] <... futex resumed>) = 0 [pid 5178] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5177] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5175] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5181] <... bpf resumed>) = 3 [pid 5180] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5179] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5178] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5177] <... futex resumed>) = 1 [pid 5175] <... futex resumed>) = 0 [pid 5172] <... futex resumed>) = 0 [pid 5181] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5180] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5179] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5178] <... mmap resumed>) = 0x7fa95d43d000 [pid 5177] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5175] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5172] exit_group(0 [pid 5181] <... futex resumed>) = 1 [pid 5180] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5179] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5178] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5176] <... futex resumed>) = 0 [pid 5175] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5177] <... futex resumed>) = ? [pid 5172] <... exit_group resumed>) = ? [pid 5181] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5180] <... futex resumed>) = 0 [pid 5179] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5178] <... mprotect resumed>) = 0 [pid 5177] +++ exited with 0 +++ [pid 5176] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5175] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5180] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5179] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5180] <... bpf resumed>) = 4 [pid 5179] <... mmap resumed>) = 0x7fa95d43d000 [pid 5172] +++ exited with 0 +++ [pid 5181] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5178] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5176] <... futex resumed>) = 0 [pid 5175] <... futex resumed>) = 0 [pid 5181] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5178] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5176] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5175] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5181] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5178] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5172, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5180] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5179] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5181] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5182 attached [pid 5181] <... futex resumed>) = 1 [pid 5180] <... futex resumed>) = 1 [pid 5179] <... mprotect resumed>) = 0 [pid 5178] <... clone3 resumed> => {parent_tid=[5182]}, 88) = 5182 [pid 5176] <... futex resumed>) = 0 [pid 5175] <... futex resumed>) = 0 [pid 5182] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5180] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5179] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5182] <... rseq resumed>) = 0 [pid 5181] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5179] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5182] set_robust_list(0x7fa95d45d9a0, 24 [pid 5181] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5179] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5178] rt_sigprocmask(SIG_SETMASK, [], [pid 5176] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5175] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5182] <... set_robust_list resumed>) = 0 [pid 5181] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5180] <... futex resumed>) = 0 [pid 5178] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5176] <... futex resumed>) = 0 [pid 5175] <... futex resumed>) = 1 [pid 5182] rt_sigprocmask(SIG_SETMASK, [], [pid 5180] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5179] <... clone3 resumed> => {parent_tid=[5183]}, 88) = 5183 ./strace-static-x86_64: Process 5183 attached [pid 5182] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5181] <... bpf resumed>) = 4 [pid 5179] rt_sigprocmask(SIG_SETMASK, [], [pid 5178] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5176] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5175] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000}./strace-static-x86_64: Process 5184 attached [pid 5183] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5182] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5181] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5179] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5178] <... futex resumed>) = 0 [pid 5183] <... rseq resumed>) = 0 [pid 5181] <... futex resumed>) = 1 [pid 5178] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5176] <... futex resumed>) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555574305690) = 5184 [pid 5183] set_robust_list(0x7fa95d45d9a0, 24 [pid 5181] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5176] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5183] <... set_robust_list resumed>) = 0 [pid 5181] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5176] <... futex resumed>) = 0 [pid 5183] rt_sigprocmask(SIG_SETMASK, [], [pid 5181] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5176] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5183] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5183] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5184] set_robust_list(0x5555743056a0, 24 [pid 5182] <... bpf resumed>) = 3 [pid 5180] <... bpf resumed>) = 5 [pid 5179] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5184] <... set_robust_list resumed>) = 0 [pid 5183] <... futex resumed>) = 0 [pid 5182] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5181] <... bpf resumed>) = 5 [pid 5180] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5179] <... futex resumed>) = 1 [pid 5184] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5183] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5182] <... futex resumed>) = 1 [pid 5181] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5180] <... futex resumed>) = 1 [pid 5179] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5178] <... futex resumed>) = 0 [pid 5175] <... futex resumed>) = 0 [pid 5184] <... prctl resumed>) = 0 [pid 5183] <... bpf resumed>) = 3 [pid 5182] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5181] <... futex resumed>) = 1 [pid 5180] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5178] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5176] <... futex resumed>) = 0 [pid 5175] exit_group(0 [pid 5184] setpgid(0, 0 [pid 5183] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5182] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5181] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5180] <... futex resumed>) = ? [pid 5178] <... futex resumed>) = 0 [pid 5176] exit_group(0 [pid 5175] <... exit_group resumed>) = ? [pid 5184] <... setpgid resumed>) = 0 [pid 5183] <... futex resumed>) = 1 [pid 5182] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5181] <... futex resumed>) = ? [pid 5180] +++ exited with 0 +++ [pid 5179] <... futex resumed>) = 0 [pid 5178] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5184] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5183] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5182] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5179] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5176] <... exit_group resumed>) = ? [pid 5184] <... openat resumed>) = 3 [pid 5183] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5182] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5181] +++ exited with 0 +++ [pid 5179] <... futex resumed>) = 0 [pid 5184] write(3, "1000", 4 [pid 5183] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5182] <... futex resumed>) = 1 [pid 5179] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5178] <... futex resumed>) = 0 [pid 5184] <... write resumed>) = 4 [pid 5183] <... futex resumed>) = 0 [pid 5182] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5179] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5178] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5184] close(3 [pid 5183] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5182] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5179] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5178] <... futex resumed>) = 0 [pid 5184] <... close resumed>) = 0 [pid 5183] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5182] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5179] <... futex resumed>) = 0 [pid 5178] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5184] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5183] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5182] <... bpf resumed>) = 4 [pid 5179] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5184] <... futex resumed>) = 0 [pid 5184] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, NULL, 8) = 0 [pid 5183] <... bpf resumed>) = 4 [pid 5184] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5182] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5184] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5183] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5182] <... futex resumed>) = 1 [pid 5178] <... futex resumed>) = 0 [pid 5184] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5183] <... futex resumed>) = 1 [pid 5182] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5179] <... futex resumed>) = 0 [pid 5178] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5184] <... mmap resumed>) = 0x7fa95d43d000 [pid 5183] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5179] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5178] <... futex resumed>) = 0 [pid 5175] +++ exited with 0 +++ [pid 5184] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5175, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5179] <... futex resumed>) = 0 [pid 5184] <... mprotect resumed>) = 0 [pid 5183] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5178] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5179] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5176] +++ exited with 0 +++ [pid 5184] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5183] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5176, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5184] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 5185 attached [pid 5184] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5067] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 5186 attached [pid 5185] set_robust_list(0x5555743056a0, 24 [pid 5186] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5185] <... set_robust_list resumed>) = 0 [pid 5186] <... rseq resumed>) = 0 [pid 5185] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5186] set_robust_list(0x7fa95d45d9a0, 24) = 0 [pid 5185] <... prctl resumed>) = 0 [pid 5186] rt_sigprocmask(SIG_SETMASK, [], [pid 5185] setpgid(0, 0 [pid 5184] <... clone3 resumed> => {parent_tid=[5186]}, 88) = 5186 [pid 5186] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5187 attached [pid 5186] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5185] <... setpgid resumed>) = 0 [pid 5184] rt_sigprocmask(SIG_SETMASK, [], [pid 5068] <... clone resumed>, child_tidptr=0x555574305690) = 5185 [pid 5185] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5184] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5187] set_robust_list(0x5555743056a0, 24 [pid 5185] <... openat resumed>) = 3 [pid 5187] <... set_robust_list resumed>) = 0 [pid 5185] write(3, "1000", 4 [pid 5184] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5187] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5185] <... write resumed>) = 4 [pid 5184] <... futex resumed>) = 1 [pid 5185] close(3 [pid 5186] <... futex resumed>) = 0 [pid 5185] <... close resumed>) = 0 [pid 5184] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] <... clone resumed>, child_tidptr=0x555574305690) = 5187 [pid 5187] <... prctl resumed>) = 0 [pid 5186] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5185] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5187] setpgid(0, 0 [pid 5186] <... bpf resumed>) = 3 [pid 5185] <... futex resumed>) = 0 [pid 5187] <... setpgid resumed>) = 0 [pid 5186] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5185] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5186] <... futex resumed>) = 1 [pid 5184] <... futex resumed>) = 0 [pid 5187] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5186] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5185] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5184] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5186] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5185] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5184] <... futex resumed>) = 0 [pid 5187] <... openat resumed>) = 3 [pid 5186] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5185] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5184] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5187] write(3, "1000", 4 [pid 5186] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5185] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5183] <... bpf resumed>) = 5 [pid 5182] <... bpf resumed>) = 5 [pid 5185] <... mmap resumed>) = 0x7fa95d43d000 [pid 5186] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5187] <... write resumed>) = 4 [pid 5186] <... futex resumed>) = 1 [pid 5185] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5184] <... futex resumed>) = 0 [pid 5183] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5182] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5187] close(3 [pid 5186] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5185] <... mprotect resumed>) = 0 [pid 5184] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5183] <... futex resumed>) = 1 [pid 5182] <... futex resumed>) = 1 [pid 5179] <... futex resumed>) = 0 [pid 5178] <... futex resumed>) = 0 [pid 5187] <... close resumed>) = 0 [pid 5186] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5184] <... futex resumed>) = 0 [pid 5183] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5182] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5179] exit_group(0 [pid 5178] exit_group(0 [pid 5187] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5186] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5185] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5184] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5183] <... futex resumed>) = ? [pid 5182] <... futex resumed>) = ? [pid 5179] <... exit_group resumed>) = ? [pid 5178] <... exit_group resumed>) = ? [pid 5187] <... futex resumed>) = 0 [pid 5186] <... bpf resumed>) = 4 [pid 5185] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5183] +++ exited with 0 +++ [pid 5182] +++ exited with 0 +++ [pid 5179] +++ exited with 0 +++ [pid 5178] +++ exited with 0 +++ [pid 5187] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5185] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5187] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5187] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5186] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5178, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5179, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5188 attached [pid 5187] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5186] <... futex resumed>) = 1 [pid 5184] <... futex resumed>) = 0 [pid 5188] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5186] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5184] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] restart_syscall(<... resuming interrupted clone ...> [pid 5187] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5185] <... clone3 resumed> => {parent_tid=[5188]}, 88) = 5188 [pid 5188] <... rseq resumed>) = 0 [pid 5187] <... mmap resumed>) = 0x7fa95d43d000 [pid 5186] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5185] rt_sigprocmask(SIG_SETMASK, [], [pid 5184] <... futex resumed>) = 0 [pid 5074] <... restart_syscall resumed>) = 0 [pid 5188] set_robust_list(0x7fa95d45d9a0, 24 [pid 5187] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5186] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5185] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5184] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5188] <... set_robust_list resumed>) = 0 [pid 5187] <... mprotect resumed>) = 0 [pid 5185] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5188] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5187] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5185] <... futex resumed>) = 0 [pid 5188] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5187] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5185] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5187] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5188] <... bpf resumed>) = 3 ./strace-static-x86_64: Process 5191 attached ./strace-static-x86_64: Process 5190 attached ./strace-static-x86_64: Process 5189 attached [pid 5188] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5187] <... clone3 resumed> => {parent_tid=[5191]}, 88) = 5191 [pid 5190] set_robust_list(0x5555743056a0, 24 [pid 5189] set_robust_list(0x5555743056a0, 24 [pid 5190] <... set_robust_list resumed>) = 0 [pid 5189] <... set_robust_list resumed>) = 0 [pid 5187] rt_sigprocmask(SIG_SETMASK, [], [pid 5191] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5190] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5188] <... futex resumed>) = 1 [pid 5187] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5191] <... rseq resumed>) = 0 [pid 5189] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5188] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5187] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5185] <... futex resumed>) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x555574305690) = 5189 [pid 5191] set_robust_list(0x7fa95d45d9a0, 24 [pid 5187] <... futex resumed>) = 0 [pid 5185] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5190] <... prctl resumed>) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x555574305690) = 5190 [pid 5189] <... prctl resumed>) = 0 [pid 5191] <... set_robust_list resumed>) = 0 [pid 5188] <... futex resumed>) = 0 [pid 5187] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5185] <... futex resumed>) = 1 [pid 5191] rt_sigprocmask(SIG_SETMASK, [], [pid 5190] setpgid(0, 0 [pid 5189] setpgid(0, 0 [pid 5188] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5185] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5191] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5190] <... setpgid resumed>) = 0 [pid 5189] <... setpgid resumed>) = 0 [pid 5188] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5191] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5188] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5186] <... bpf resumed>) = 5 [pid 5191] <... bpf resumed>) = 3 [pid 5190] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5189] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5188] <... futex resumed>) = 1 [pid 5185] <... futex resumed>) = 0 [pid 5185] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5191] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5188] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5186] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5185] <... futex resumed>) = 0 [pid 5191] <... futex resumed>) = 1 [pid 5190] <... openat resumed>) = 3 [pid 5189] <... openat resumed>) = 3 [pid 5188] <... bpf resumed>) = 4 [pid 5187] <... futex resumed>) = 0 [pid 5186] <... futex resumed>) = 1 [pid 5185] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5184] <... futex resumed>) = 0 [pid 5191] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5190] write(3, "1000", 4 [pid 5189] write(3, "1000", 4 [pid 5188] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5187] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5186] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5184] exit_group(0 [pid 5191] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5190] <... write resumed>) = 4 [pid 5189] <... write resumed>) = 4 [pid 5188] <... futex resumed>) = 1 [pid 5187] <... futex resumed>) = 0 [pid 5186] <... futex resumed>) = ? [pid 5185] <... futex resumed>) = 0 [pid 5184] <... exit_group resumed>) = ? [pid 5191] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5190] close(3 [pid 5189] close(3 [pid 5188] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5187] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5186] +++ exited with 0 +++ [pid 5185] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5191] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5188] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5191] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5188] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5191] <... futex resumed>) = 0 [pid 5190] <... close resumed>) = 0 [pid 5189] <... close resumed>) = 0 [pid 5187] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5185] <... futex resumed>) = 0 [pid 5191] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5190] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5189] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5188] <... bpf resumed>) = 5 [pid 5187] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5185] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5191] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5190] <... futex resumed>) = 0 [pid 5189] <... futex resumed>) = 0 [pid 5187] <... futex resumed>) = 0 [pid 5188] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5191] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5190] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5189] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5187] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5188] <... futex resumed>) = 1 [pid 5185] <... futex resumed>) = 0 [pid 5190] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5189] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5185] exit_group(0 [pid 5191] <... bpf resumed>) = 4 [pid 5190] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5189] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5185] <... exit_group resumed>) = ? [pid 5191] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5190] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5189] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5190] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5189] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5190] <... mmap resumed>) = 0x7fa95d43d000 [pid 5189] <... mmap resumed>) = 0x7fa95d43d000 [pid 5191] <... futex resumed>) = 1 [pid 5191] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5190] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5189] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5187] <... futex resumed>) = 0 [pid 5190] <... mprotect resumed>) = 0 [pid 5189] <... mprotect resumed>) = 0 [pid 5187] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5191] <... futex resumed>) = 0 [pid 5190] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5189] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5187] <... futex resumed>) = 1 [pid 5191] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5190] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5189] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5187] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5190] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5189] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0}./strace-static-x86_64: Process 5193 attached ./strace-static-x86_64: Process 5192 attached [pid 5193] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053) = 0 [pid 5190] <... clone3 resumed> => {parent_tid=[5192]}, 88) = 5192 [pid 5192] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5193] set_robust_list(0x7fa95d45d9a0, 24 [pid 5192] <... rseq resumed>) = 0 [pid 5190] rt_sigprocmask(SIG_SETMASK, [], [pid 5189] <... clone3 resumed> => {parent_tid=[5193]}, 88) = 5193 [pid 5193] <... set_robust_list resumed>) = 0 [pid 5192] set_robust_list(0x7fa95d45d9a0, 24 [pid 5190] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5189] rt_sigprocmask(SIG_SETMASK, [], [pid 5193] rt_sigprocmask(SIG_SETMASK, [], [pid 5192] <... set_robust_list resumed>) = 0 [pid 5190] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5189] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5193] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5192] rt_sigprocmask(SIG_SETMASK, [], [pid 5190] <... futex resumed>) = 0 [pid 5189] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5193] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5192] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5190] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5189] <... futex resumed>) = 0 [pid 5193] <... bpf resumed>) = 3 [pid 5192] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5189] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5193] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5192] <... bpf resumed>) = 3 [pid 5189] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5193] <... futex resumed>) = 0 [pid 5189] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5193] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5189] <... futex resumed>) = 0 [pid 5193] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5192] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5189] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5184] +++ exited with 0 +++ [pid 5193] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5189] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5184, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5193] <... futex resumed>) = 0 [pid 5189] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 5188] +++ exited with 0 +++ [pid 5185] +++ exited with 0 +++ [pid 5193] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5189] <... futex resumed>) = 0 [pid 5070] <... restart_syscall resumed>) = 0 [pid 5193] <... bpf resumed>) = 4 [pid 5192] <... futex resumed>) = 1 [pid 5190] <... futex resumed>) = 0 [pid 5189] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5192] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5185, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5190] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5193] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5192] <... futex resumed>) = 0 [pid 5190] <... futex resumed>) = 1 [pid 5193] <... futex resumed>) = 1 [pid 5192] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5190] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5189] <... futex resumed>) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5193] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5192] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5189] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5192] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5189] <... futex resumed>) = 0 [pid 5190] <... futex resumed>) = 0 [pid 5189] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5190] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5193] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5190] <... futex resumed>) = 0 [pid 5193] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5190] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5192] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144./strace-static-x86_64: Process 5194 attached [pid 5068] <... clone resumed>, child_tidptr=0x555574305690) = 5194 ./strace-static-x86_64: Process 5195 attached [pid 5194] set_robust_list(0x5555743056a0, 24 [pid 5195] set_robust_list(0x5555743056a0, 24 [pid 5194] <... set_robust_list resumed>) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555574305690) = 5195 [pid 5195] <... set_robust_list resumed>) = 0 [pid 5194] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5195] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5195] setpgid(0, 0) = 0 [pid 5194] <... prctl resumed>) = 0 [pid 5192] <... bpf resumed>) = 4 [pid 5194] setpgid(0, 0) = 0 [pid 5192] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5195] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5194] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5195] <... openat resumed>) = 3 [pid 5192] <... futex resumed>) = 1 [pid 5190] <... futex resumed>) = 0 [pid 5192] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5190] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5195] write(3, "1000", 4 [pid 5194] <... openat resumed>) = 3 [pid 5190] <... futex resumed>) = 0 [pid 5195] <... write resumed>) = 4 [pid 5190] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5195] close(3 [pid 5194] write(3, "1000", 4 [pid 5195] <... close resumed>) = 0 [pid 5195] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5194] <... write resumed>) = 4 [pid 5195] <... futex resumed>) = 0 [pid 5194] close(3 [pid 5193] <... bpf resumed>) = 5 [pid 5192] <... bpf resumed>) = 5 [pid 5191] <... bpf resumed>) = 5 [pid 5195] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5193] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5192] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5195] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5193] <... futex resumed>) = 1 [pid 5190] <... futex resumed>) = 0 [pid 5192] <... futex resumed>) = 1 [pid 5189] <... futex resumed>) = 0 [pid 5195] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5193] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5195] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5192] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5190] exit_group(0 [pid 5189] exit_group(0 [pid 5195] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5190] <... exit_group resumed>) = ? [pid 5189] <... exit_group resumed>) = ? [pid 5193] <... futex resumed>) = ? [pid 5195] <... mmap resumed>) = 0x7fa95d43d000 [pid 5194] <... close resumed>) = 0 [pid 5192] <... futex resumed>) = ? [pid 5191] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5194] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5191] <... futex resumed>) = 1 [pid 5194] <... futex resumed>) = 0 [pid 5191] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5194] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5193] +++ exited with 0 +++ [pid 5189] +++ exited with 0 +++ [pid 5194] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5194] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5189, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5194] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5072] restart_syscall(<... resuming interrupted clone ...> [pid 5195] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5194] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5192] +++ exited with 0 +++ [pid 5190] +++ exited with 0 +++ [pid 5187] <... futex resumed>) = 0 [pid 5195] <... mprotect resumed>) = 0 [pid 5194] <... mmap resumed>) = 0x7fa95d43d000 [pid 5187] exit_group(0 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5190, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5072] <... restart_syscall resumed>) = 0 [pid 5195] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5194] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5191] <... futex resumed>) = ? [pid 5187] <... exit_group resumed>) = ? [pid 5195] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5194] <... mprotect resumed>) = 0 [pid 5191] +++ exited with 0 +++ [pid 5194] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5187] +++ exited with 0 +++ [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5195] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5187, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5197 attached ./strace-static-x86_64: Process 5196 attached [pid 5194] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5197] set_robust_list(0x5555743056a0, 24 [pid 5196] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5195] <... clone3 resumed> => {parent_tid=[5196]}, 88) = 5196 [pid 5194] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5197] <... set_robust_list resumed>) = 0 [pid 5196] <... rseq resumed>) = 0 [pid 5195] rt_sigprocmask(SIG_SETMASK, [], [pid 5072] <... clone resumed>, child_tidptr=0x555574305690) = 5197 ./strace-static-x86_64: Process 5199 attached ./strace-static-x86_64: Process 5198 attached [pid 5197] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5196] set_robust_list(0x7fa95d45d9a0, 24 [pid 5195] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5199] set_robust_list(0x5555743056a0, 24 [pid 5198] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5197] <... prctl resumed>) = 0 [pid 5196] <... set_robust_list resumed>) = 0 [pid 5195] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5194] <... clone3 resumed> => {parent_tid=[5198]}, 88) = 5198 [pid 5074] <... clone resumed>, child_tidptr=0x555574305690) = 5199 [pid 5199] <... set_robust_list resumed>) = 0 [pid 5198] <... rseq resumed>) = 0 [pid 5197] setpgid(0, 0 [pid 5196] rt_sigprocmask(SIG_SETMASK, [], [pid 5195] <... futex resumed>) = 0 [pid 5194] rt_sigprocmask(SIG_SETMASK, [], [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5199] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5198] set_robust_list(0x7fa95d45d9a0, 24 [pid 5197] <... setpgid resumed>) = 0 [pid 5196] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5195] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5194] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5200 attached [pid 5199] <... prctl resumed>) = 0 [pid 5198] <... set_robust_list resumed>) = 0 [pid 5197] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5196] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5194] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5200] set_robust_list(0x5555743056a0, 24 [pid 5199] setpgid(0, 0 [pid 5198] rt_sigprocmask(SIG_SETMASK, [], [pid 5197] <... openat resumed>) = 3 [pid 5196] <... bpf resumed>) = 3 [pid 5194] <... futex resumed>) = 0 [pid 5200] <... set_robust_list resumed>) = 0 [pid 5198] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5197] write(3, "1000", 4 [pid 5196] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5194] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5200] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5199] <... setpgid resumed>) = 0 [pid 5198] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5197] <... write resumed>) = 4 [pid 5196] <... futex resumed>) = 1 [pid 5195] <... futex resumed>) = 0 [pid 5067] <... clone resumed>, child_tidptr=0x555574305690) = 5200 [pid 5200] <... prctl resumed>) = 0 [pid 5199] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5198] <... bpf resumed>) = 3 [pid 5197] close(3 [pid 5196] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5195] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5200] setpgid(0, 0 [pid 5199] <... openat resumed>) = 3 [pid 5198] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5197] <... close resumed>) = 0 [pid 5196] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5195] <... futex resumed>) = 0 [pid 5200] <... setpgid resumed>) = 0 [pid 5198] <... futex resumed>) = 1 [pid 5197] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5196] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5194] <... futex resumed>) = 0 [pid 5200] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5199] write(3, "1000", 4 [pid 5198] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5197] <... futex resumed>) = 0 [pid 5195] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5200] <... openat resumed>) = 3 [pid 5199] <... write resumed>) = 4 [pid 5198] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5197] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5196] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5194] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5200] write(3, "1000", 4 [pid 5199] close(3 [pid 5198] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5197] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5196] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5194] <... futex resumed>) = 0 [pid 5200] <... write resumed>) = 4 [pid 5199] <... close resumed>) = 0 [pid 5198] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5197] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5196] <... futex resumed>) = 1 [pid 5195] <... futex resumed>) = 0 [pid 5194] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5200] close(3 [pid 5199] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5198] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5197] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5196] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5195] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5194] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5200] <... close resumed>) = 0 [pid 5199] <... futex resumed>) = 0 [pid 5198] <... futex resumed>) = 0 [pid 5197] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5196] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5195] <... futex resumed>) = 0 [pid 5194] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5200] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5199] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5198] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5197] <... mmap resumed>) = 0x7fa95d43d000 [pid 5196] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5195] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5194] <... futex resumed>) = 0 [pid 5200] <... futex resumed>) = 0 [pid 5199] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5198] <... bpf resumed>) = 4 [pid 5197] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5200] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5199] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5198] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5197] <... mprotect resumed>) = 0 [pid 5196] <... bpf resumed>) = 4 [pid 5194] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5200] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5199] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5198] <... futex resumed>) = 0 [pid 5197] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5196] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5194] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5200] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5199] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5198] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5197] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5196] <... futex resumed>) = 1 [pid 5195] <... futex resumed>) = 0 [pid 5194] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5200] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5199] <... mmap resumed>) = 0x7fa95d43d000 [pid 5198] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5197] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5196] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5195] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5194] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5201 attached [pid 5200] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5199] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5198] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5196] <... bpf resumed>) = 5 [pid 5195] <... futex resumed>) = 0 [pid 5194] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5201] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5200] <... mmap resumed>) = 0x7fa95d43d000 [pid 5199] <... mprotect resumed>) = 0 [pid 5198] <... bpf resumed>) = 5 [pid 5201] <... rseq resumed>) = 0 [pid 5200] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5199] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5197] <... clone3 resumed> => {parent_tid=[5201]}, 88) = 5201 [pid 5196] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5198] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5195] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5201] set_robust_list(0x7fa95d45d9a0, 24 [pid 5200] <... mprotect resumed>) = 0 [pid 5199] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5198] <... futex resumed>) = 1 [pid 5197] rt_sigprocmask(SIG_SETMASK, [], [pid 5196] <... futex resumed>) = 0 [pid 5195] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5194] <... futex resumed>) = 0 [pid 5201] <... set_robust_list resumed>) = 0 [pid 5200] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5199] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5198] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5197] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5196] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5195] exit_group(0 [pid 5194] exit_group(0./strace-static-x86_64: Process 5202 attached [pid 5201] rt_sigprocmask(SIG_SETMASK, [], [pid 5200] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5198] <... futex resumed>) = ? [pid 5197] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5196] <... futex resumed>) = ? [pid 5195] <... exit_group resumed>) = ? [pid 5194] <... exit_group resumed>) = ? [pid 5202] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5201] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5200] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5199] <... clone3 resumed> => {parent_tid=[5202]}, 88) = 5202 [pid 5198] +++ exited with 0 +++ [pid 5197] <... futex resumed>) = 0 [pid 5202] <... rseq resumed>) = 0 [pid 5201] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5199] rt_sigprocmask(SIG_SETMASK, [], [pid 5197] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5203 attached [pid 5202] set_robust_list(0x7fa95d45d9a0, 24 [pid 5201] <... bpf resumed>) = 3 [pid 5200] <... clone3 resumed> => {parent_tid=[5203]}, 88) = 5203 [pid 5199] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5203] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5202] <... set_robust_list resumed>) = 0 [pid 5201] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5200] rt_sigprocmask(SIG_SETMASK, [], [pid 5199] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5196] +++ exited with 0 +++ [pid 5195] +++ exited with 0 +++ [pid 5194] +++ exited with 0 +++ [pid 5203] <... rseq resumed>) = 0 [pid 5202] rt_sigprocmask(SIG_SETMASK, [], [pid 5201] <... futex resumed>) = 1 [pid 5200] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5199] <... futex resumed>) = 0 [pid 5197] <... futex resumed>) = 0 [pid 5203] set_robust_list(0x7fa95d45d9a0, 24 [pid 5202] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5201] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5200] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5199] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5197] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5195, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5194, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5203] <... set_robust_list resumed>) = 0 [pid 5202] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5201] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5200] <... futex resumed>) = 0 [pid 5197] <... futex resumed>) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] restart_syscall(<... resuming interrupted clone ...> [pid 5203] rt_sigprocmask(SIG_SETMASK, [], [pid 5202] <... bpf resumed>) = 3 [pid 5201] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5200] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5197] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5203] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5202] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5201] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5068] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 5204 attached [pid 5203] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5202] <... futex resumed>) = 1 [pid 5201] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5199] <... futex resumed>) = 0 [pid 5204] set_robust_list(0x5555743056a0, 24 [pid 5203] <... bpf resumed>) = 3 [pid 5202] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5201] <... futex resumed>) = 1 [pid 5199] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5197] <... futex resumed>) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555574305690) = 5204 [pid 5204] <... set_robust_list resumed>) = 0 [pid 5203] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5202] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5201] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5199] <... futex resumed>) = 0 [pid 5197] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5204] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5203] <... futex resumed>) = 1 [pid 5202] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5201] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5200] <... futex resumed>) = 0 [pid 5199] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5197] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5205 attached [pid 5204] <... prctl resumed>) = 0 [pid 5203] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5202] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5201] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5200] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5197] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5205] set_robust_list(0x5555743056a0, 24 [pid 5204] setpgid(0, 0 [pid 5203] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5202] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5200] <... futex resumed>) = 0 [pid 5205] <... set_robust_list resumed>) = 0 [pid 5204] <... setpgid resumed>) = 0 [pid 5203] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5202] <... futex resumed>) = 1 [pid 5200] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5199] <... futex resumed>) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x555574305690) = 5205 [pid 5205] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5204] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5203] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5202] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5201] <... bpf resumed>) = 4 [pid 5199] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5205] <... prctl resumed>) = 0 [pid 5204] <... openat resumed>) = 3 [pid 5203] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5202] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5201] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5199] <... futex resumed>) = 0 [pid 5205] setpgid(0, 0 [pid 5204] write(3, "1000", 4 [pid 5203] <... futex resumed>) = 1 [pid 5202] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5201] <... futex resumed>) = 1 [pid 5200] <... futex resumed>) = 0 [pid 5199] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5197] <... futex resumed>) = 0 [pid 5205] <... setpgid resumed>) = 0 [pid 5204] <... write resumed>) = 4 [pid 5203] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5201] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5200] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5197] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5205] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5204] close(3 [pid 5203] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5202] <... bpf resumed>) = 4 [pid 5201] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5200] <... futex resumed>) = 0 [pid 5197] <... futex resumed>) = 0 [pid 5205] <... openat resumed>) = 3 [pid 5204] <... close resumed>) = 0 [pid 5203] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5202] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5201] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5200] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5197] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5205] write(3, "1000", 4 [pid 5204] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5203] <... bpf resumed>) = 4 [pid 5202] <... futex resumed>) = 1 [pid 5199] <... futex resumed>) = 0 [pid 5205] <... write resumed>) = 4 [pid 5204] <... futex resumed>) = 0 [pid 5203] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5202] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5201] <... bpf resumed>) = 5 [pid 5199] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5205] close(3 [pid 5204] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5203] <... futex resumed>) = 1 [pid 5202] <... bpf resumed>) = 5 [pid 5201] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5200] <... futex resumed>) = 0 [pid 5199] <... futex resumed>) = 0 [pid 5205] <... close resumed>) = 0 [pid 5204] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5203] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5202] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5201] <... futex resumed>) = 1 [pid 5200] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5199] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5197] <... futex resumed>) = 0 [pid 5205] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5204] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5203] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5202] <... futex resumed>) = 0 [pid 5201] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5200] <... futex resumed>) = 0 [pid 5199] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5197] exit_group(0 [pid 5205] <... futex resumed>) = 0 [pid 5204] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5203] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5202] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5200] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5199] exit_group(0 [pid 5197] <... exit_group resumed>) = ? [pid 5201] <... futex resumed>) = ? [pid 5205] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5204] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5203] <... bpf resumed>) = 5 [pid 5202] <... futex resumed>) = ? [pid 5199] <... exit_group resumed>) = ? [pid 5205] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5204] <... mmap resumed>) = 0x7fa95d43d000 [pid 5205] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [ 64.232739][ T5063] [ 64.235105][ T5063] ============================================ [ 64.241253][ T5063] WARNING: possible recursive locking detected [ 64.247426][ T5063] 6.8.0-syzkaller-05271-gf99c5f563c17 #0 Not tainted [ 64.254108][ T5063] -------------------------------------------- [ 64.260336][ T5063] strace-static-x/5063 is trying to acquire lock: [ 64.266735][ T5063] ffff8880233421d8 (&qs->lock){-.-.}-{2:2}, at: __queue_map_get+0x14b/0x4d0 [ 64.275439][ T5063] [ 64.275439][ T5063] but task is already holding lock: [ 64.282781][ T5063] ffff8880233401d8 (&qs->lock){-.-.}-{2:2}, at: __queue_map_get+0x14b/0x4d0 [ 64.291460][ T5063] [ 64.291460][ T5063] other info that might help us debug this: [ 64.299515][ T5063] Possible unsafe locking scenario: [ 64.299515][ T5063] [ 64.307391][ T5063] CPU0 [ 64.310656][ T5063] ---- [ 64.313929][ T5063] lock(&qs->lock); [ 64.317845][ T5063] lock(&qs->lock); [ 64.321743][ T5063] [ 64.321743][ T5063] *** DEADLOCK *** [ 64.321743][ T5063] [ 64.330136][ T5063] May be due to missing lock nesting notation [ 64.330136][ T5063] [ 64.338439][ T5063] 4 locks held by strace-static-x/5063: [ 64.343985][ T5063] #0: ffff88807c3d6c68 (&pipe->mutex){+.+.}-{3:3}, at: pipe_write+0x1c9/0x1a40 [ 64.353202][ T5063] #1: ffffffff8e131920 (rcu_read_lock){....}-{1:2}, at: bpf_trace_run2+0x114/0x420 [ 64.362683][ T5063] #2: ffff8880233401d8 (&qs->lock){-.-.}-{2:2}, at: __queue_map_get+0x14b/0x4d0 [ 64.371800][ T5063] #3: ffffffff8e131920 (rcu_read_lock){....}-{1:2}, at: bpf_trace_run2+0x114/0x420 [ 64.381171][ T5063] [ 64.381171][ T5063] stack backtrace: [ 64.387036][ T5063] CPU: 0 PID: 5063 Comm: strace-static-x Not tainted 6.8.0-syzkaller-05271-gf99c5f563c17 #0 [ 64.397250][ T5063] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 64.407280][ T5063] Call Trace: [ 64.410552][ T5063] [ 64.413465][ T5063] dump_stack_lvl+0x1e7/0x2e0 [ 64.418138][ T5063] ? __pfx_dump_stack_lvl+0x10/0x10 [ 64.423328][ T5063] ? print_deadlock_bug+0x479/0x620 [ 64.428542][ T5063] ? _find_first_zero_bit+0xd4/0x100 [ 64.434001][ T5063] validate_chain+0x15c1/0x58e0 [ 64.439742][ T5063] ? __pfx_validate_chain+0x10/0x10 [ 64.444935][ T5063] ? __lock_acquire+0x1346/0x1fd0 [ 64.449961][ T5063] ? __pfx_validate_chain+0x10/0x10 [ 64.455146][ T5063] ? __queue_map_get+0x2e2/0x4d0 [ 64.460156][ T5063] ? __pfx_lock_release+0x10/0x10 [ 64.465163][ T5063] ? mark_lock+0x9a/0x350 [ 64.469471][ T5063] ? __pfx_validate_chain+0x10/0x10 [ 64.474748][ T5063] __lock_acquire+0x1346/0x1fd0 [ 64.479715][ T5063] lock_acquire+0x1e4/0x530 [ 64.484288][ T5063] ? __queue_map_get+0x14b/0x4d0 [ 64.489209][ T5063] ? __pfx_lock_release+0x10/0x10 [ 64.494212][ T5063] ? __pfx_lock_acquire+0x10/0x10 [ 64.499214][ T5063] ? __lock_acquire+0x1346/0x1fd0 [ 64.504301][ T5063] _raw_spin_lock_irqsave+0xd5/0x120 [ 64.509683][ T5063] ? __queue_map_get+0x14b/0x4d0 [ 64.514772][ T5063] ? __pfx__raw_spin_lock_irqsave+0x10/0x10 [ 64.520849][ T5063] __queue_map_get+0x14b/0x4d0 [ 64.525604][ T5063] ? __pfx_lock_acquire+0x10/0x10 [ 64.530625][ T5063] ? validate_chain+0x11b/0x58e0 [ 64.535572][ T5063] ? __pfx___queue_map_get+0x10/0x10 [ 64.540859][ T5063] ? __pfx___cant_migrate+0x10/0x10 [ 64.546066][ T5063] ? validate_chain+0x11b/0x58e0 [ 64.551081][ T5063] bpf_prog_bf9a7c5adf7f532a+0x42/0x46 [ 64.556530][ T5063] bpf_trace_run2+0x204/0x420 [ 64.561200][ T5063] ? bpf_trace_run2+0x114/0x420 [ 64.566026][ T5063] ? __pfx_bpf_trace_run2+0x10/0x10 [ 64.571201][ T5063] ? mark_lock+0x9a/0x350 [ 64.575658][ T5063] ? __pfx___bpf_trace_contention_end+0x10/0x10 [ 64.582108][ T5063] __traceiter_contention_end+0x7b/0xb0 [ 64.587646][ T5063] trace_contention_end+0xf6/0x120 [ 64.592743][ T5063] __pv_queued_spin_lock_slowpath+0x939/0xc60 [ 64.599080][ T5063] ? __pfx___pv_queued_spin_lock_slowpath+0x10/0x10 [ 64.605825][ T5063] queued_spin_lock_slowpath+0x42/0x50 [ 64.611357][ T5063] do_raw_spin_lock+0x272/0x370 [ 64.616277][ T5063] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 64.621633][ T5063] _raw_spin_lock_irqsave+0xe1/0x120 [ 64.626986][ T5063] ? __pfx__raw_spin_lock_irqsave+0x10/0x10 [ 64.632961][ T5063] __queue_map_get+0x14b/0x4d0 [ 64.637711][ T5063] ? __pfx_lock_acquire+0x10/0x10 [ 64.642712][ T5063] ? __pfx___queue_map_get+0x10/0x10 [ 64.647977][ T5063] ? __pfx___cant_migrate+0x10/0x10 [ 64.653240][ T5063] bpf_prog_bf9a7c5adf7f532a+0x42/0x46 [ 64.658674][ T5063] bpf_trace_run2+0x204/0x420 [ 64.663340][ T5063] ? bpf_trace_run2+0x114/0x420 [ 64.668167][ T5063] ? __pfx_bpf_trace_run2+0x10/0x10 [ 64.673344][ T5063] ? __mutex_trylock_common+0x183/0x2e0 [ 64.678866][ T5063] ? __pfx___might_resched+0x10/0x10 [ 64.684216][ T5063] ? __pfx___bpf_trace_contention_end+0x10/0x10 [ 64.690449][ T5063] __traceiter_contention_end+0x7b/0xb0 [ 64.695981][ T5063] trace_contention_end+0xd7/0x100 [ 64.701083][ T5063] __mutex_lock+0x2e5/0xd70 [ 64.705591][ T5063] ? pipe_write+0x1c9/0x1a40 [ 64.710160][ T5063] ? __pfx___mutex_lock+0x10/0x10 [ 64.715162][ T5063] ? aa_file_perm+0x137/0xf60 [ 64.719847][ T5063] ? __might_fault+0xaa/0x120 [ 64.724502][ T5063] pipe_write+0x1c9/0x1a40 [ 64.728945][ T5063] ? mark_lock+0x9a/0x350 [ 64.733278][ T5063] ? __lock_acquire+0x1346/0x1fd0 [ 64.738300][ T5063] ? end_current_label_crit_section+0x14e/0x180 [ 64.744622][ T5063] ? __pfx_pipe_write+0x10/0x10 [ 64.749485][ T5063] ? bpf_lsm_file_permission+0x9/0x10 [ 64.754923][ T5063] ? security_file_permission+0x7f/0xa0 [ 64.760454][ T5063] vfs_write+0xa84/0xcb0 [ 64.764690][ T5063] ? __pfx___might_resched+0x10/0x10 [ 64.769952][ T5063] ? __pfx_vfs_write+0x10/0x10 [ 64.774728][ T5063] ? __rseq_handle_notify_resume+0x353/0x1490 [ 64.780774][ T5063] ? __fdget_pos+0x1a2/0x320 [ 64.785341][ T5063] ksys_write+0x1a0/0x2c0 [ 64.789741][ T5063] ? __pfx_ksys_write+0x10/0x10 [ 64.794756][ T5063] ? do_syscall_64+0x10a/0x240 [ 64.799497][ T5063] ? do_syscall_64+0xb6/0x240 [ 64.804263][ T5063] do_syscall_64+0xfb/0x240 [ 64.808753][ T5063] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 64.814629][ T5063] RIP: 0033:0x4e8593 [ 64.818525][ T5063] Code: c7 c2 a8 ff ff ff f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 64.839430][ T5063] RSP: 002b:00007ffc411c1eb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 64.847945][ T5063] RAX: ffffffffffffffda RBX: 000000000000002c RCX: 00000000004e8593 [ 64.855922][ T5063] RDX: 000000000000002c RSI: 000000001b0c0140 RDI: 0000000000000002 [ 64.863982][ T5063] RBP: 000000001b0c0140 R08: 0000000000000000 R09: 0000000000000000 [ 64.871931][ T5063] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000002c [pid 5204] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5205] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5204] <... mprotect resumed>) = 0 [pid 5202] +++ exited with 0 +++ [pid 5201] +++ exited with 0 +++ [pid 5197] +++ exited with 0 +++ [pid 5205] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5204] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5203] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5200] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5205] <... mmap resumed>) = 0x7fa95d43d000 [pid 5204] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5203] <... futex resumed>) = 0 [pid 5200] exit_group(0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5197, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5205] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5204] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5200] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5206 attached [pid 5205] <... mprotect resumed>) = 0 [pid 5203] +++ exited with 0 +++ [pid 5206] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5205] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5206] <... rseq resumed>) = 0 [pid 5205] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5204] <... clone3 resumed> => {parent_tid=[5206]}, 88) = 5206 ./strace-static-x86_64: Process 5207 attached [pid 5206] set_robust_list(0x7fa95d45d9a0, 24 [pid 5205] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5204] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5208 attached [pid 5207] set_robust_list(0x5555743056a0, 24 [pid 5206] <... set_robust_list resumed>) = 0 [pid 5204] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x555574305690) = 5207 [pid 5208] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5207] <... set_robust_list resumed>) = 0 [pid 5206] rt_sigprocmask(SIG_SETMASK, [], [pid 5205] <... clone3 resumed> => {parent_tid=[5208]}, 88) = 5208 [pid 5204] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5208] <... rseq resumed>) = 0 [pid 5207] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5206] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5205] rt_sigprocmask(SIG_SETMASK, [], [pid 5204] <... futex resumed>) = 0 [pid 5208] set_robust_list(0x7fa95d45d9a0, 24 [pid 5207] <... prctl resumed>) = 0 [pid 5206] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5205] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5208] <... set_robust_list resumed>) = 0 [pid 5207] setpgid(0, 0 [pid 5204] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5199] +++ exited with 0 +++ [pid 5208] rt_sigprocmask(SIG_SETMASK, [], [pid 5207] <... setpgid resumed>) = 0 [pid 5206] <... bpf resumed>) = 3 [pid 5205] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5200] +++ exited with 0 +++ [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5199, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5208] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5207] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5206] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5205] <... futex resumed>) = 0 [pid 5208] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5207] <... openat resumed>) = 3 [pid 5206] <... futex resumed>) = 1 [pid 5205] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5204] <... futex resumed>) = 0 [pid 5208] <... bpf resumed>) = 3 [pid 5207] write(3, "1000", 4 [pid 5206] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5200, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5204] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5208] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5207] <... write resumed>) = 4 [pid 5206] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5205] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5204] <... futex resumed>) = 0 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5210 attached ./strace-static-x86_64: Process 5209 attached [pid 5208] <... futex resumed>) = 0 [pid 5207] close(3 [pid 5206] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5205] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5204] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5210] set_robust_list(0x5555743056a0, 24 [pid 5209] set_robust_list(0x5555743056a0, 24 [pid 5208] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5207] <... close resumed>) = 0 [pid 5206] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5205] <... futex resumed>) = 0 [pid 5210] <... set_robust_list resumed>) = 0 [pid 5209] <... set_robust_list resumed>) = 0 [pid 5207] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] <... clone resumed>, child_tidptr=0x555574305690) = 5209 [pid 5208] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5207] <... futex resumed>) = 0 [pid 5206] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5210] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5207] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5205] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5209] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5207] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5206] <... futex resumed>) = 1 [pid 5208] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5204] <... futex resumed>) = 0 [pid 5210] <... prctl resumed>) = 0 [pid 5209] <... prctl resumed>) = 0 [pid 5208] <... futex resumed>) = 1 [pid 5207] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5206] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5205] <... futex resumed>) = 0 [pid 5204] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... clone resumed>, child_tidptr=0x555574305690) = 5210 [pid 5210] setpgid(0, 0 [pid 5209] setpgid(0, 0 [pid 5208] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5207] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5206] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5205] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5204] <... futex resumed>) = 0 [pid 5210] <... setpgid resumed>) = 0 [pid 5209] <... setpgid resumed>) = 0 [pid 5208] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5207] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5206] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5205] <... futex resumed>) = 0 [pid 5210] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5209] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5208] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5207] <... mmap resumed>) = 0x7fa95d43d000 [pid 5205] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5204] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5207] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5206] <... bpf resumed>) = 4 [pid 5207] <... mprotect resumed>) = 0 [pid 5208] <... bpf resumed>) = 4 [pid 5207] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5210] <... openat resumed>) = 3 [pid 5207] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5207] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0}./strace-static-x86_64: Process 5211 attached [pid 5210] write(3, "1000", 4 [pid 5209] <... openat resumed>) = 3 [pid 5208] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5206] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5211] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5210] <... write resumed>) = 4 [pid 5209] write(3, "1000", 4 [pid 5208] <... futex resumed>) = 1 [pid 5207] <... clone3 resumed> => {parent_tid=[5211]}, 88) = 5211 [pid 5206] <... futex resumed>) = 1 [pid 5205] <... futex resumed>) = 0 [pid 5204] <... futex resumed>) = 0 [pid 5211] <... rseq resumed>) = 0 [pid 5210] close(3 [pid 5209] <... write resumed>) = 4 [pid 5208] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5207] rt_sigprocmask(SIG_SETMASK, [], [pid 5206] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5205] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5204] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5211] set_robust_list(0x7fa95d45d9a0, 24 [pid 5210] <... close resumed>) = 0 [pid 5209] close(3 [pid 5207] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5208] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5205] <... futex resumed>) = 0 [pid 5206] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5204] <... futex resumed>) = 0 [pid 5211] <... set_robust_list resumed>) = 0 [pid 5210] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5209] <... close resumed>) = 0 [pid 5208] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5207] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5206] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5205] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5204] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5211] rt_sigprocmask(SIG_SETMASK, [], [pid 5210] <... futex resumed>) = 0 [pid 5207] <... futex resumed>) = 0 [pid 5209] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5211] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5210] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5207] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5211] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5210] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5209] <... futex resumed>) = 0 [pid 5211] <... bpf resumed>) = 3 [pid 5210] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5209] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5211] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5210] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5211] <... futex resumed>) = 1 [pid 5209] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5207] <... futex resumed>) = 0 [pid 5211] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5210] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5209] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5207] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5211] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5209] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5207] <... futex resumed>) = 0 [pid 5211] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5210] <... mmap resumed>) = 0x7fa95d43d000 [pid 5209] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5207] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5211] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5208] <... bpf resumed>) = 5 [pid 5209] <... mmap resumed>) = 0x7fa95d43d000 [pid 5211] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5210] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5208] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5207] <... futex resumed>) = 0 [pid 5209] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5211] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5210] <... mprotect resumed>) = 0 [pid 5209] <... mprotect resumed>) = 0 [pid 5208] <... futex resumed>) = 1 [pid 5207] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5206] <... bpf resumed>) = 5 [pid 5205] <... futex resumed>) = 0 [pid 5211] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5210] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5208] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5207] <... futex resumed>) = 0 [pid 5206] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5205] exit_group(0 [pid 5211] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5210] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5209] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5208] <... futex resumed>) = ? [pid 5207] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5206] <... futex resumed>) = 1 [pid 5205] <... exit_group resumed>) = ? [pid 5204] <... futex resumed>) = 0 [pid 5211] <... bpf resumed>) = 4 [pid 5210] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5209] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5208] +++ exited with 0 +++ [pid 5206] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5209] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5204] exit_group(0 [pid 5206] <... futex resumed>) = ? [pid 5204] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5212 attached [pid 5211] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5212] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5211] <... futex resumed>) = 1 [pid 5207] <... futex resumed>) = 0 [pid 5212] <... rseq resumed>) = 0 [pid 5211] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5207] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5212] set_robust_list(0x7fa95d45d9a0, 24 [pid 5211] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5207] <... futex resumed>) = 0 [pid 5212] <... set_robust_list resumed>) = 0 [pid 5211] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5207] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5212] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5212] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5213 attached [pid 5210] <... clone3 resumed> => {parent_tid=[5212]}, 88) = 5212 [pid 5209] <... clone3 resumed> => {parent_tid=[5213]}, 88) = 5213 [pid 5213] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5210] rt_sigprocmask(SIG_SETMASK, [], [pid 5209] rt_sigprocmask(SIG_SETMASK, [], [pid 5213] <... rseq resumed>) = 0 [pid 5210] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5209] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5213] set_robust_list(0x7fa95d45d9a0, 24 [pid 5210] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5209] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5213] <... set_robust_list resumed>) = 0 [pid 5212] <... futex resumed>) = 0 [pid 5210] <... futex resumed>) = 1 [pid 5209] <... futex resumed>) = 0 [pid 5213] rt_sigprocmask(SIG_SETMASK, [], [pid 5210] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5209] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5213] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5213] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5212] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5213] <... bpf resumed>) = 3 [pid 5212] <... bpf resumed>) = 3 [pid 5213] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5212] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5213] <... futex resumed>) = 1 [pid 5209] <... futex resumed>) = 0 [pid 5213] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5212] <... futex resumed>) = 1 [pid 5210] <... futex resumed>) = 0 [ 64.879912][ T5063] R13: 000000000063f460 R14: 000000000000002c R15: 0000000000000001 [ 64.887897][ T5063] [pid 5209] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5213] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5212] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5210] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5209] <... futex resumed>) = 0 [pid 5212] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5212] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5213] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5210] <... futex resumed>) = 0 [pid 5209] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5213] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5212] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5210] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5213] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5212] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5210] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5213] <... futex resumed>) = 1 [pid 5212] <... futex resumed>) = 0 [pid 5210] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5209] <... futex resumed>) = 0 [pid 5213] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5212] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5210] <... futex resumed>) = 0 [pid 5209] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5213] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5210] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5209] <... futex resumed>) = 0 [pid 5213] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5209] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5213] <... bpf resumed>) = 4 [pid 5212] <... bpf resumed>) = 4 [pid 5213] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5209] <... futex resumed>) = 0 [pid 5213] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5209] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5213] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5209] <... futex resumed>) = 0 [pid 5213] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5209] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5212] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5205] +++ exited with 0 +++ [pid 5212] <... futex resumed>) = 1 [pid 5211] <... bpf resumed>) = 5 [pid 5210] <... futex resumed>) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5205, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5212] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5211] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5210] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5212] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5211] <... futex resumed>) = 1 [pid 5210] <... futex resumed>) = 0 [pid 5207] <... futex resumed>) = 0 [pid 5212] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5211] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5210] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5207] exit_group(0 [pid 5211] <... futex resumed>) = ? [pid 5207] <... exit_group resumed>) = ? [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5211] +++ exited with 0 +++ [pid 5068] <... clone resumed>, child_tidptr=0x555574305690) = 5214 ./strace-static-x86_64: Process 5214 attached [pid 5214] set_robust_list(0x5555743056a0, 24) = 0 [pid 5214] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5214] setpgid(0, 0) = 0 [pid 5214] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5214] write(3, "1000", 4) = 4 [pid 5214] close(3) = 0 [pid 5214] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5214] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, NULL, 8) = 0 [pid 5214] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5214] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5213] <... bpf resumed>) = 5 [pid 5206] +++ exited with 0 +++ [pid 5212] <... bpf resumed>) = 5 [pid 5204] +++ exited with 0 +++ [pid 5213] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5212] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5213] <... futex resumed>) = 1 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5204, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5213] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5209] <... futex resumed>) = 0 [pid 5212] <... futex resumed>) = 1 [pid 5210] <... futex resumed>) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5212] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5210] exit_group(0 [pid 5209] exit_group(0./strace-static-x86_64: Process 5215 attached [pid 5214] <... mmap resumed>) = 0x7fa95d43d000 [pid 5213] <... futex resumed>) = ? [pid 5209] <... exit_group resumed>) = ? [pid 5207] +++ exited with 0 +++ [pid 5215] set_robust_list(0x5555743056a0, 24 [pid 5214] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5212] <... futex resumed>) = ? [pid 5210] <... exit_group resumed>) = ? [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5207, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5070] <... clone resumed>, child_tidptr=0x555574305690) = 5215 [pid 5215] <... set_robust_list resumed>) = 0 [pid 5214] <... mprotect resumed>) = 0 [pid 5213] +++ exited with 0 +++ [pid 5212] +++ exited with 0 +++ [pid 5210] +++ exited with 0 +++ [pid 5209] +++ exited with 0 +++ [pid 5215] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5214] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5210, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5215] <... prctl resumed>) = 0 [pid 5214] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5215] setpgid(0, 0 [pid 5214] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5209, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5216 attached [pid 5215] <... setpgid resumed>) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5216] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053./strace-static-x86_64: Process 5218 attached ./strace-static-x86_64: Process 5217 attached ) = 0 [pid 5215] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5214] <... clone3 resumed> => {parent_tid=[5216]}, 88) = 5216 [pid 5218] set_robust_list(0x5555743056a0, 24 [pid 5217] set_robust_list(0x5555743056a0, 24 [pid 5216] set_robust_list(0x7fa95d45d9a0, 24 [pid 5214] rt_sigprocmask(SIG_SETMASK, [], [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5218] <... set_robust_list resumed>) = 0 [pid 5217] <... set_robust_list resumed>) = 0 [pid 5216] <... set_robust_list resumed>) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x555574305690) = 5218 [pid 5215] <... openat resumed>) = 3 [pid 5214] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5214] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5218] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5217] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5216] rt_sigprocmask(SIG_SETMASK, [], [pid 5215] write(3, "1000", 4 [pid 5214] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] <... clone resumed>, child_tidptr=0x555574305690) = 5219 [pid 5218] <... prctl resumed>) = 0 [pid 5217] <... prctl resumed>) = 0 [pid 5216] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5215] <... write resumed>) = 4 [pid 5218] setpgid(0, 0 [pid 5217] setpgid(0, 0./strace-static-x86_64: Process 5219 attached [pid 5218] <... setpgid resumed>) = 0 [pid 5217] <... setpgid resumed>) = 0 [pid 5216] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5215] close(3 [pid 5074] <... clone resumed>, child_tidptr=0x555574305690) = 5217 [pid 5219] set_robust_list(0x5555743056a0, 24 [pid 5218] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5217] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5216] <... bpf resumed>) = 3 [pid 5215] <... close resumed>) = 0 [pid 5219] <... set_robust_list resumed>) = 0 [pid 5218] <... openat resumed>) = 3 [pid 5219] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5218] write(3, "1000", 4 [pid 5217] <... openat resumed>) = 3 [pid 5216] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5215] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5219] <... prctl resumed>) = 0 [pid 5218] <... write resumed>) = 4 [pid 5217] write(3, "1000", 4 [pid 5216] <... futex resumed>) = 1 [pid 5215] <... futex resumed>) = 0 [pid 5214] <... futex resumed>) = 0 [pid 5219] setpgid(0, 0 [pid 5218] close(3 [pid 5217] <... write resumed>) = 4 [pid 5216] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5215] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5214] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5218] <... close resumed>) = 0 [pid 5217] close(3 [pid 5216] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5215] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5214] <... futex resumed>) = 0 [pid 5219] <... setpgid resumed>) = 0 [pid 5218] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5217] <... close resumed>) = 0 [pid 5216] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5215] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5214] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5219] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5218] <... futex resumed>) = 0 [pid 5217] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5216] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5215] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5219] <... openat resumed>) = 3 [pid 5218] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5217] <... futex resumed>) = 0 [pid 5216] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5215] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5219] write(3, "1000", 4 [pid 5218] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5217] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5216] <... futex resumed>) = 1 [pid 5215] <... mmap resumed>) = 0x7fa95d43d000 [pid 5214] <... futex resumed>) = 0 [pid 5219] <... write resumed>) = 4 [pid 5218] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5217] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5216] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5215] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5214] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5219] close(3 [pid 5218] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5217] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5216] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5218] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5217] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5215] <... mprotect resumed>) = 0 [pid 5216] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5214] <... futex resumed>) = 0 [pid 5219] <... close resumed>) = 0 [pid 5218] <... mmap resumed>) = 0x7fa95d43d000 [pid 5217] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5215] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5214] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5219] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5218] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5217] <... mmap resumed>) = 0x7fa95d43d000 [pid 5216] <... bpf resumed>) = 4 [pid 5215] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5219] <... futex resumed>) = 0 [pid 5218] <... mprotect resumed>) = 0 [pid 5217] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5216] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5215] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5219] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5217] <... mprotect resumed>) = 0 [pid 5216] <... futex resumed>) = 1 [pid 5214] <... futex resumed>) = 0 [pid 5218] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5220 attached [pid 5219] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5217] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5216] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5215] <... clone3 resumed> => {parent_tid=[5220]}, 88) = 5220 [pid 5214] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5220] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5219] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5218] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5217] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5216] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5215] rt_sigprocmask(SIG_SETMASK, [], [pid 5214] <... futex resumed>) = 0 [pid 5220] <... rseq resumed>) = 0 [pid 5219] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5218] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5217] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5216] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5215] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5214] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000}./strace-static-x86_64: Process 5221 attached [pid 5220] set_robust_list(0x7fa95d45d9a0, 24 [pid 5219] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5215] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5221] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5220] <... set_robust_list resumed>) = 0 [pid 5219] <... mmap resumed>) = 0x7fa95d43d000 [pid 5221] <... rseq resumed>) = 0 [pid 5220] rt_sigprocmask(SIG_SETMASK, [], [pid 5219] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5215] <... futex resumed>) = 0 [pid 5221] set_robust_list(0x7fa95d45d9a0, 24 [pid 5220] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5219] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 5222 attached [pid 5221] <... set_robust_list resumed>) = 0 [pid 5220] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5219] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5218] <... clone3 resumed> => {parent_tid=[5221]}, 88) = 5221 [pid 5216] <... bpf resumed>) = 5 [pid 5217] <... clone3 resumed> => {parent_tid=[5222]}, 88) = 5222 [pid 5215] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5222] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5221] rt_sigprocmask(SIG_SETMASK, [], [pid 5220] <... bpf resumed>) = 3 [pid 5219] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5218] rt_sigprocmask(SIG_SETMASK, [], [pid 5222] <... rseq resumed>) = 0 [pid 5221] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5220] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5219] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5218] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5217] rt_sigprocmask(SIG_SETMASK, [], [pid 5216] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5223 attached [pid 5222] set_robust_list(0x7fa95d45d9a0, 24 [pid 5221] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5220] <... futex resumed>) = 1 [pid 5218] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5217] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5216] <... futex resumed>) = 1 [pid 5215] <... futex resumed>) = 0 [pid 5214] <... futex resumed>) = 0 [pid 5223] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5222] <... set_robust_list resumed>) = 0 [pid 5221] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5220] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5219] <... clone3 resumed> => {parent_tid=[5223]}, 88) = 5223 [pid 5218] <... futex resumed>) = 0 [pid 5217] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5216] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5215] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5214] exit_group(0 [pid 5223] <... rseq resumed>) = 0 [pid 5222] rt_sigprocmask(SIG_SETMASK, [], [pid 5221] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5220] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5219] rt_sigprocmask(SIG_SETMASK, [], [pid 5218] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5217] <... futex resumed>) = 0 [pid 5216] <... futex resumed>) = ? [pid 5215] <... futex resumed>) = 0 [pid 5214] <... exit_group resumed>) = ? [pid 5223] set_robust_list(0x7fa95d45d9a0, 24 [pid 5222] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5221] <... bpf resumed>) = 3 [pid 5220] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5219] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5217] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5216] +++ exited with 0 +++ [pid 5215] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5223] <... set_robust_list resumed>) = 0 [pid 5222] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5221] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5220] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5219] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5221] <... futex resumed>) = 1 [pid 5221] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5220] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5219] <... futex resumed>) = 0 [pid 5220] <... futex resumed>) = 1 [pid 5219] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5215] <... futex resumed>) = 0 [pid 5220] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5215] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5223] rt_sigprocmask(SIG_SETMASK, [], [pid 5222] <... bpf resumed>) = 3 [pid 5220] <... bpf resumed>) = 4 [pid 5218] <... futex resumed>) = 0 [pid 5215] <... futex resumed>) = 0 [pid 5214] +++ exited with 0 +++ [pid 5223] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5222] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5218] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5215] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5223] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5218] <... futex resumed>) = 1 [pid 5222] <... futex resumed>) = 1 [pid 5217] <... futex resumed>) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5214, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5222] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5218] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5217] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5223] <... bpf resumed>) = 3 [pid 5217] <... futex resumed>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5223] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5217] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5221] <... futex resumed>) = 0 [pid 5220] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5221] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5220] <... futex resumed>) = 1 [pid 5215] <... futex resumed>) = 0 [pid 5223] <... futex resumed>) = 1 [pid 5222] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5221] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5220] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5219] <... futex resumed>) = 0 [pid 5215] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5221] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5220] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5219] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5215] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5224 attached [pid 5221] <... futex resumed>) = 1 [pid 5220] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5219] <... futex resumed>) = 0 [pid 5215] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5224] set_robust_list(0x5555743056a0, 24 [pid 5223] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5222] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5221] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5219] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5218] <... futex resumed>) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x555574305690) = 5224 [pid 5224] <... set_robust_list resumed>) = 0 [pid 5223] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5222] <... futex resumed>) = 1 [pid 5218] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5217] <... futex resumed>) = 0 [pid 5224] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5222] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5221] <... futex resumed>) = 0 [pid 5220] <... bpf resumed>) = 5 [pid 5218] <... futex resumed>) = 1 [pid 5217] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5224] <... prctl resumed>) = 0 [pid 5223] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5222] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5221] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5220] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5218] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5217] <... futex resumed>) = 0 [pid 5224] setpgid(0, 0 [pid 5223] <... futex resumed>) = 1 [pid 5222] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5221] <... bpf resumed>) = 4 [pid 5220] <... futex resumed>) = 1 [pid 5219] <... futex resumed>) = 0 [pid 5215] <... futex resumed>) = 0 [pid 5224] <... setpgid resumed>) = 0 [pid 5223] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5221] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5220] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5219] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5217] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5215] exit_group(0 [pid 5224] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5221] <... futex resumed>) = 1 [pid 5220] <... futex resumed>) = ? [pid 5219] <... futex resumed>) = 0 [pid 5215] <... exit_group resumed>) = ? [pid 5224] <... openat resumed>) = 3 [pid 5223] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5222] <... bpf resumed>) = 4 [pid 5221] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5220] +++ exited with 0 +++ [pid 5219] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5218] <... futex resumed>) = 0 [pid 5215] +++ exited with 0 +++ [pid 5223] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5222] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5218] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5215, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5218] <... futex resumed>) = 0 [pid 5218] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5224] write(3, "1000", 4 [pid 5221] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5224] <... write resumed>) = 4 [pid 5221] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5224] close(3) = 0 [pid 5223] <... bpf resumed>) = 4 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5224] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5222] <... futex resumed>) = 1 [pid 5217] <... futex resumed>) = 0 [pid 5224] <... futex resumed>) = 0 [pid 5224] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, NULL, 8) = 0 [pid 5222] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5217] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5224] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5217] <... futex resumed>) = 0 [pid 5224] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fa95d43d000 [pid 5217] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5224] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5223] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5224] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5225 attached [pid 5223] <... futex resumed>) = 1 [pid 5219] <... futex resumed>) = 0 [pid 5224] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5223] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5219] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] set_robust_list(0x5555743056a0, 24 [pid 5224] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5223] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5219] <... futex resumed>) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555574305690) = 5225 ./strace-static-x86_64: Process 5226 attached [pid 5225] <... set_robust_list resumed>) = 0 [pid 5223] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5219] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5226] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5225] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5224] <... clone3 resumed> => {parent_tid=[5226]}, 88) = 5226 [pid 5226] <... rseq resumed>) = 0 [pid 5225] <... prctl resumed>) = 0 [pid 5226] set_robust_list(0x7fa95d45d9a0, 24) = 0 [pid 5225] setpgid(0, 0 [pid 5224] rt_sigprocmask(SIG_SETMASK, [], [pid 5226] rt_sigprocmask(SIG_SETMASK, [], [pid 5225] <... setpgid resumed>) = 0 [pid 5224] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5226] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5224] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5226] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5225] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5224] <... futex resumed>) = 0 [pid 5226] <... bpf resumed>) = 3 [pid 5224] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5226] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] <... openat resumed>) = 3 [pid 5224] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5226] <... futex resumed>) = 0 [pid 5225] write(3, "1000", 4 [pid 5224] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5221] <... bpf resumed>) = 5 [pid 5222] <... bpf resumed>) = 5 [pid 5221] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5226] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5223] <... bpf resumed>) = 5 [pid 5225] <... write resumed>) = 4 [pid 5224] <... futex resumed>) = 0 [pid 5222] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5226] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5225] close(3 [pid 5224] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5223] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5221] <... futex resumed>) = 1 [pid 5218] <... futex resumed>) = 0 [pid 5222] <... futex resumed>) = 1 [pid 5217] <... futex resumed>) = 0 [pid 5226] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] <... close resumed>) = 0 [pid 5223] <... futex resumed>) = 1 [pid 5222] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5221] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5219] <... futex resumed>) = 0 [pid 5218] exit_group(0 [pid 5217] exit_group(0 [pid 5226] <... futex resumed>) = 1 [pid 5225] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5224] <... futex resumed>) = 0 [pid 5223] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5219] exit_group(0 [pid 5217] <... exit_group resumed>) = ? [pid 5222] <... futex resumed>) = ? [pid 5218] <... exit_group resumed>) = ? [pid 5221] <... futex resumed>) = ? [pid 5226] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5225] <... futex resumed>) = 0 [pid 5224] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5223] <... futex resumed>) = ? [pid 5219] <... exit_group resumed>) = ? [pid 5226] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5224] <... futex resumed>) = 0 [pid 5222] +++ exited with 0 +++ [pid 5221] +++ exited with 0 +++ [pid 5226] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5224] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5226] <... bpf resumed>) = 4 [pid 5226] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5217] +++ exited with 0 +++ [pid 5226] <... futex resumed>) = 1 [pid 5225] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5224] <... futex resumed>) = 0 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5217, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5226] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5225] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5224] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5226] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5225] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5224] <... futex resumed>) = 0 [pid 5226] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5225] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5224] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5225] <... mmap resumed>) = 0x7fa95d43d000 ./strace-static-x86_64: Process 5227 attached [pid 5225] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5227] set_robust_list(0x5555743056a0, 24 [pid 5225] <... mprotect resumed>) = 0 [pid 5227] <... set_robust_list resumed>) = 0 [pid 5225] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5227] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5225] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5218] +++ exited with 0 +++ [pid 5074] <... clone resumed>, child_tidptr=0x555574305690) = 5227 [pid 5223] +++ exited with 0 +++ [pid 5219] +++ exited with 0 +++ [pid 5227] <... prctl resumed>) = 0 [pid 5225] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5218, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5227] setpgid(0, 0./strace-static-x86_64: Process 5228 attached [pid 5228] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053) = 0 [pid 5228] set_robust_list(0x7fa95d45d9a0, 24) = 0 [pid 5228] rt_sigprocmask(SIG_SETMASK, [], [pid 5227] <... setpgid resumed>) = 0 [pid 5225] <... clone3 resumed> => {parent_tid=[5228]}, 88) = 5228 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5219, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5228] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5228] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5227] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5225] rt_sigprocmask(SIG_SETMASK, [], [pid 5067] restart_syscall(<... resuming interrupted clone ...> [pid 5225] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] <... restart_syscall resumed>) = 0 [pid 5225] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] <... openat resumed>) = 3 [pid 5227] write(3, "1000", 4) = 4 [pid 5227] close(3) = 0 ./strace-static-x86_64: Process 5229 attached [pid 5228] <... futex resumed>) = 0 [pid 5225] <... futex resumed>) = 1 [pid 5229] set_robust_list(0x5555743056a0, 24 [pid 5228] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5227] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5229] <... set_robust_list resumed>) = 0 [pid 5228] <... bpf resumed>) = 3 [pid 5227] <... futex resumed>) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x555574305690) = 5229 [pid 5229] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5228] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5229] <... prctl resumed>) = 0 [pid 5228] <... futex resumed>) = 1 [pid 5227] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5225] <... futex resumed>) = 0 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5229] setpgid(0, 0 [pid 5228] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5227] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5225] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5230 attached [pid 5229] <... setpgid resumed>) = 0 [pid 5226] <... bpf resumed>) = 5 [pid 5225] <... futex resumed>) = 0 [pid 5227] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5230] set_robust_list(0x5555743056a0, 24 [pid 5229] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5228] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5227] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5225] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] <... clone resumed>, child_tidptr=0x555574305690) = 5230 [pid 5228] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5230] <... set_robust_list resumed>) = 0 [pid 5229] <... openat resumed>) = 3 [pid 5228] <... futex resumed>) = 0 [pid 5227] <... mmap resumed>) = 0x7fa95d43d000 [pid 5226] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5230] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5229] write(3, "1000", 4 [pid 5228] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5227] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5226] <... futex resumed>) = 1 [pid 5225] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5224] <... futex resumed>) = 0 [pid 5230] <... prctl resumed>) = 0 [pid 5229] <... write resumed>) = 4 [pid 5228] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5227] <... mprotect resumed>) = 0 [pid 5226] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5225] <... futex resumed>) = 0 [pid 5224] exit_group(0 [pid 5230] setpgid(0, 0 [pid 5229] close(3 [pid 5228] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5227] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5225] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5230] <... setpgid resumed>) = 0 [pid 5229] <... close resumed>) = 0 [pid 5226] <... futex resumed>) = ? [pid 5224] <... exit_group resumed>) = ? [pid 5230] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5229] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] <... bpf resumed>) = 4 [pid 5227] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5226] +++ exited with 0 +++ [pid 5224] +++ exited with 0 +++ [pid 5230] <... openat resumed>) = 3 [pid 5229] <... futex resumed>) = 0 [pid 5228] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5230] write(3, "1000", 4 [pid 5229] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5228] <... futex resumed>) = 1 [pid 5225] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5231 attached [pid 5230] <... write resumed>) = 4 [pid 5229] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5228] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5225] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5224, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5231] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5230] close(3 [pid 5229] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5227] <... clone3 resumed> => {parent_tid=[5231]}, 88) = 5231 [pid 5225] <... futex resumed>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5229] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5231] <... rseq resumed>) = 0 [pid 5230] <... close resumed>) = 0 [pid 5229] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5227] rt_sigprocmask(SIG_SETMASK, [], [pid 5225] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000}./strace-static-x86_64: Process 5232 attached [pid 5231] set_robust_list(0x7fa95d45d9a0, 24 [pid 5230] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5232] set_robust_list(0x5555743056a0, 24 [pid 5231] <... set_robust_list resumed>) = 0 [pid 5230] <... futex resumed>) = 0 [pid 5229] <... mmap resumed>) = 0x7fa95d43d000 [pid 5227] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... clone resumed>, child_tidptr=0x555574305690) = 5232 [pid 5232] <... set_robust_list resumed>) = 0 [pid 5231] rt_sigprocmask(SIG_SETMASK, [], [pid 5230] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5229] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5227] <... futex resumed>) = 0 [pid 5232] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5231] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5230] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5229] <... mprotect resumed>) = 0 [pid 5227] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5232] <... prctl resumed>) = 0 [pid 5231] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5230] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5229] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5232] setpgid(0, 0 [pid 5231] <... bpf resumed>) = 3 [pid 5232] <... setpgid resumed>) = 0 [pid 5230] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5231] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5230] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5232] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5230] <... mmap resumed>) = 0x7fa95d43d000 [pid 5231] <... futex resumed>) = 1 [pid 5229] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5229] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5227] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5233 attached [pid 5231] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5230] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5233] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5232] <... openat resumed>) = 3 [pid 5229] <... clone3 resumed> => {parent_tid=[5233]}, 88) = 5233 [pid 5233] <... rseq resumed>) = 0 [pid 5232] write(3, "1000", 4 [pid 5230] <... mprotect resumed>) = 0 [pid 5229] rt_sigprocmask(SIG_SETMASK, [], [pid 5227] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5233] set_robust_list(0x7fa95d45d9a0, 24 [pid 5232] <... write resumed>) = 4 [pid 5231] <... futex resumed>) = 0 [pid 5229] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5227] <... futex resumed>) = 1 [pid 5233] <... set_robust_list resumed>) = 0 [pid 5232] close(3 [pid 5231] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5230] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5229] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] <... bpf resumed>) = 5 [pid 5227] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5233] rt_sigprocmask(SIG_SETMASK, [], [pid 5232] <... close resumed>) = 0 [pid 5229] <... futex resumed>) = 0 [pid 5233] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5232] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5231] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5230] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5229] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5228] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5233] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5232] <... futex resumed>) = 0 [pid 5230] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5228] <... futex resumed>) = 1 [pid 5233] <... bpf resumed>) = 3 [pid 5232] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5231] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] <... futex resumed>) = 0 [pid 5233] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5225] exit_group(0 [pid 5233] <... futex resumed>) = 1 [pid 5231] <... futex resumed>) = 1 [pid 5229] <... futex resumed>) = 0 [pid 5228] <... futex resumed>) = ? [pid 5227] <... futex resumed>) = 0 [pid 5225] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5234 attached [pid 5233] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5232] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5231] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5230] <... clone3 resumed> => {parent_tid=[5234]}, 88) = 5234 [pid 5229] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] +++ exited with 0 +++ [pid 5227] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5225] +++ exited with 0 +++ [pid 5234] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5233] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5232] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5231] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5230] rt_sigprocmask(SIG_SETMASK, [], [pid 5229] <... futex resumed>) = 0 [pid 5227] <... futex resumed>) = 0 [pid 5234] <... rseq resumed>) = 0 [pid 5233] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5232] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5231] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5230] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5229] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5227] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5225, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5234] set_robust_list(0x7fa95d45d9a0, 24 [pid 5233] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5232] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5230] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5233] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5229] <... futex resumed>) = 0 [pid 5233] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5230] <... futex resumed>) = 0 [pid 5229] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5233] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5231] <... bpf resumed>) = 4 [pid 5229] <... futex resumed>) = 0 [pid 5233] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5229] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5235 attached [pid 5234] <... set_robust_list resumed>) = 0 [pid 5233] <... bpf resumed>) = 4 [pid 5232] <... mmap resumed>) = 0x7fa95d43d000 [pid 5231] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5230] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5234] rt_sigprocmask(SIG_SETMASK, [], [pid 5232] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5231] <... futex resumed>) = 1 [pid 5227] <... futex resumed>) = 0 [pid 5235] set_robust_list(0x5555743056a0, 24) = 0 [pid 5235] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5234] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5232] <... mprotect resumed>) = 0 [pid 5231] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5227] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... clone resumed>, child_tidptr=0x555574305690) = 5235 [pid 5235] <... prctl resumed>) = 0 [pid 5234] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5233] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5231] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5227] <... futex resumed>) = 0 [pid 5235] setpgid(0, 0 [pid 5234] <... bpf resumed>) = 3 [pid 5233] <... futex resumed>) = 1 [pid 5232] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5231] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5229] <... futex resumed>) = 0 [pid 5227] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5235] <... setpgid resumed>) = 0 [pid 5234] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5233] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5232] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5229] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5235] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5234] <... futex resumed>) = 1 [pid 5233] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5232] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5230] <... futex resumed>) = 0 [pid 5229] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5236 attached [pid 5235] <... openat resumed>) = 3 [pid 5234] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5233] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5230] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5236] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5235] write(3, "1000", 4 [pid 5234] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5233] <... bpf resumed>) = 5 [pid 5232] <... clone3 resumed> => {parent_tid=[5236]}, 88) = 5236 [pid 5231] <... bpf resumed>) = 5 [pid 5230] <... futex resumed>) = 0 [pid 5236] <... rseq resumed>) = 0 [pid 5235] <... write resumed>) = 4 [pid 5234] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5232] rt_sigprocmask(SIG_SETMASK, [], [pid 5230] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5236] set_robust_list(0x7fa95d45d9a0, 24 [pid 5235] close(3 [pid 5234] <... futex resumed>) = 0 [pid 5233] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5232] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5231] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5230] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5236] <... set_robust_list resumed>) = 0 [pid 5235] <... close resumed>) = 0 [pid 5234] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5233] <... futex resumed>) = 1 [pid 5232] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5231] <... futex resumed>) = 1 [pid 5230] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] <... futex resumed>) = 0 [pid 5227] <... futex resumed>) = 0 [pid 5236] rt_sigprocmask(SIG_SETMASK, [], [pid 5235] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5234] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5233] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5232] <... futex resumed>) = 0 [pid 5231] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5230] <... futex resumed>) = 0 [pid 5229] exit_group(0 [pid 5227] exit_group(0 [pid 5236] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5235] <... futex resumed>) = 0 [pid 5234] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5233] <... futex resumed>) = ? [pid 5232] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5231] <... futex resumed>) = ? [pid 5230] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5229] <... exit_group resumed>) = ? [pid 5227] <... exit_group resumed>) = ? [pid 5236] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5235] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5233] +++ exited with 0 +++ [pid 5231] +++ exited with 0 +++ [pid 5236] <... bpf resumed>) = 3 [pid 5235] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5234] <... bpf resumed>) = 4 [pid 5236] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5235] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5236] <... futex resumed>) = 1 [pid 5235] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5234] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5232] <... futex resumed>) = 0 [pid 5236] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5235] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5232] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5230] <... futex resumed>) = 0 [pid 5234] <... futex resumed>) = 1 [pid 5236] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5235] <... mmap resumed>) = 0x7fa95d43d000 [pid 5234] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5232] <... futex resumed>) = 0 [pid 5230] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5232] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5230] <... futex resumed>) = 0 [pid 5230] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5236] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5235] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5236] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5235] <... mprotect resumed>) = 0 [pid 5236] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5232] <... futex resumed>) = 0 [pid 5236] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5235] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5232] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5236] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5236] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5232] <... futex resumed>) = 0 [pid 5236] <... bpf resumed>) = 4 [pid 5235] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5232] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5235] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0}./strace-static-x86_64: Process 5237 attached => {parent_tid=[5237]}, 88) = 5237 [pid 5237] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5236] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5235] rt_sigprocmask(SIG_SETMASK, [], [pid 5237] <... rseq resumed>) = 0 [pid 5236] <... futex resumed>) = 1 [pid 5235] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5232] <... futex resumed>) = 0 [pid 5236] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5235] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5237] set_robust_list(0x7fa95d45d9a0, 24 [pid 5236] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5235] <... futex resumed>) = 0 [pid 5232] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5237] <... set_robust_list resumed>) = 0 [pid 5236] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5235] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5232] <... futex resumed>) = 0 [pid 5237] rt_sigprocmask(SIG_SETMASK, [], [pid 5232] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5237] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5237] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5236] <... bpf resumed>) = 5 [pid 5227] +++ exited with 0 +++ [pid 5236] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5227, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5236] <... futex resumed>) = 1 [pid 5237] <... bpf resumed>) = 3 [pid 5236] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5232] <... futex resumed>) = 0 [pid 5237] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5232] exit_group(0 [pid 5237] <... futex resumed>) = 1 [pid 5236] <... futex resumed>) = ? [pid 5235] <... futex resumed>) = 0 [pid 5232] <... exit_group resumed>) = ? [pid 5237] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5236] +++ exited with 0 +++ [pid 5235] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5235] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5238 attached [pid 5238] set_robust_list(0x5555743056a0, 24 [pid 5074] <... clone resumed>, child_tidptr=0x555574305690) = 5238 [pid 5238] <... set_robust_list resumed>) = 0 [pid 5237] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5238] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5237] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5238] <... prctl resumed>) = 0 [pid 5238] setpgid(0, 0 [pid 5237] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5238] <... setpgid resumed>) = 0 [pid 5238] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5237] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5235] <... futex resumed>) = 0 [pid 5238] <... openat resumed>) = 3 [pid 5237] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5235] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5238] write(3, "1000", 4 [pid 5235] <... futex resumed>) = 0 [pid 5234] <... bpf resumed>) = 5 [pid 5229] +++ exited with 0 +++ [pid 5235] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5234] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5229, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5234] <... futex resumed>) = 1 [pid 5238] <... write resumed>) = 4 [pid 5234] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5238] close(3) = 0 [pid 5238] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5237] <... bpf resumed>) = 4 [pid 5230] <... futex resumed>) = 0 [pid 5238] <... futex resumed>) = 0 [pid 5238] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, NULL, 8) = 0 [pid 5230] exit_group(0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5238] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5237] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5234] <... futex resumed>) = ? [pid 5230] <... exit_group resumed>) = ? [pid 5238] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5234] +++ exited with 0 +++ [pid 5238] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fa95d43d000 ./strace-static-x86_64: Process 5239 attached [pid 5238] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5237] <... futex resumed>) = 1 [pid 5235] <... futex resumed>) = 0 [pid 5235] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] <... clone resumed>, child_tidptr=0x555574305690) = 5239 [pid 5239] set_robust_list(0x5555743056a0, 24 [pid 5237] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5235] <... futex resumed>) = 0 [pid 5239] <... set_robust_list resumed>) = 0 [pid 5235] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5238] <... mprotect resumed>) = 0 [pid 5239] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5238] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5239] <... prctl resumed>) = 0 [pid 5239] setpgid(0, 0 [pid 5238] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5239] <... setpgid resumed>) = 0 [pid 5238] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5239] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5239] write(3, "1000", 4./strace-static-x86_64: Process 5240 attached [pid 5232] +++ exited with 0 +++ [pid 5230] +++ exited with 0 +++ [pid 5240] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5239] <... write resumed>) = 4 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5232, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5230, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5240] <... rseq resumed>) = 0 [pid 5239] close(3 [pid 5240] set_robust_list(0x7fa95d45d9a0, 24 [pid 5239] <... close resumed>) = 0 [pid 5240] <... set_robust_list resumed>) = 0 [pid 5239] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5240] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5239] <... futex resumed>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5240] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5239] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5238] <... clone3 resumed> => {parent_tid=[5240]}, 88) = 5240 ./strace-static-x86_64: Process 5241 attached [pid 5238] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5242 attached [pid 5241] set_robust_list(0x5555743056a0, 24 [pid 5239] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5238] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x555574305690) = 5241 [pid 5242] set_robust_list(0x5555743056a0, 24 [pid 5241] <... set_robust_list resumed>) = 0 [pid 5239] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5238] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5242] <... set_robust_list resumed>) = 0 [pid 5241] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5240] <... futex resumed>) = 0 [pid 5238] <... futex resumed>) = 1 [pid 5067] <... clone resumed>, child_tidptr=0x555574305690) = 5242 [pid 5242] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5241] <... prctl resumed>) = 0 [pid 5240] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5239] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5238] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5242] <... prctl resumed>) = 0 [pid 5241] setpgid(0, 0 [pid 5240] <... bpf resumed>) = 3 [pid 5239] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5242] setpgid(0, 0 [pid 5241] <... setpgid resumed>) = 0 [pid 5240] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5239] <... mmap resumed>) = 0x7fa95d43d000 [pid 5242] <... setpgid resumed>) = 0 [pid 5241] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5240] <... futex resumed>) = 1 [pid 5239] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5238] <... futex resumed>) = 0 [pid 5242] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5241] <... openat resumed>) = 3 [pid 5240] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5238] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5242] <... openat resumed>) = 3 [pid 5241] write(3, "1000", 4 [pid 5240] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5239] <... mprotect resumed>) = 0 [pid 5238] <... futex resumed>) = 0 [pid 5242] write(3, "1000", 4 [pid 5241] <... write resumed>) = 4 [pid 5240] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5242] <... write resumed>) = 4 [pid 5241] close(3 [pid 5238] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5240] <... futex resumed>) = 0 [pid 5242] close(3 [pid 5241] <... close resumed>) = 0 [pid 5239] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5240] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5237] <... bpf resumed>) = 5 [pid 5238] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5242] <... close resumed>) = 0 [pid 5241] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5240] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5239] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5238] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5241] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5240] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5239] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5238] <... futex resumed>) = 0 [pid 5241] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5238] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5241] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5242] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5237] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5241] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5242] <... futex resumed>) = 0 [pid 5237] <... futex resumed>) = 1 [pid 5235] <... futex resumed>) = 0 [pid 5242] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5237] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5235] exit_group(0./strace-static-x86_64: Process 5243 attached [pid 5242] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5241] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5237] <... futex resumed>) = ? [pid 5235] <... exit_group resumed>) = ? [pid 5243] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5242] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5241] <... mmap resumed>) = 0x7fa95d43d000 [pid 5240] <... bpf resumed>) = 4 [pid 5239] <... clone3 resumed> => {parent_tid=[5243]}, 88) = 5243 [pid 5237] +++ exited with 0 +++ [pid 5235] +++ exited with 0 +++ [pid 5243] <... rseq resumed>) = 0 [pid 5242] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5241] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5239] rt_sigprocmask(SIG_SETMASK, [], [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5235, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5243] set_robust_list(0x7fa95d45d9a0, 24 [pid 5242] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5241] <... mprotect resumed>) = 0 [pid 5240] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5239] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 5243] <... set_robust_list resumed>) = 0 [pid 5242] <... mmap resumed>) = 0x7fa95d43d000 [pid 5241] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5240] <... futex resumed>) = 1 [pid 5239] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5238] <... futex resumed>) = 0 [pid 5070] <... restart_syscall resumed>) = 0 [pid 5243] rt_sigprocmask(SIG_SETMASK, [], [pid 5242] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5241] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5240] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5239] <... futex resumed>) = 0 [pid 5238] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5243] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5242] <... mprotect resumed>) = 0 [pid 5241] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5239] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5238] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5244 attached [pid 5243] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5242] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5238] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5244] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5243] <... bpf resumed>) = 3 [pid 5242] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5241] <... clone3 resumed> => {parent_tid=[5244]}, 88) = 5244 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5244] <... rseq resumed>) = 0 [pid 5243] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5242] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5241] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5245 attached [pid 5244] set_robust_list(0x7fa95d45d9a0, 24 [pid 5243] <... futex resumed>) = 1 [pid 5241] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5239] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5246 attached [pid 5245] set_robust_list(0x5555743056a0, 24 [pid 5244] <... set_robust_list resumed>) = 0 [pid 5243] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5242] <... clone3 resumed> => {parent_tid=[5246]}, 88) = 5246 [pid 5241] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5239] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5246] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5245] <... set_robust_list resumed>) = 0 [pid 5244] rt_sigprocmask(SIG_SETMASK, [], [pid 5243] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5246] <... rseq resumed>) = 0 [pid 5245] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5244] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5243] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5242] rt_sigprocmask(SIG_SETMASK, [], [pid 5241] <... futex resumed>) = 0 [pid 5239] <... futex resumed>) = 0 [pid 5246] set_robust_list(0x7fa95d45d9a0, 24 [pid 5245] <... prctl resumed>) = 0 [pid 5244] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5242] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5241] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5239] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] <... clone resumed>, child_tidptr=0x555574305690) = 5245 [pid 5246] <... set_robust_list resumed>) = 0 [pid 5245] setpgid(0, 0 [pid 5244] <... bpf resumed>) = 3 [pid 5243] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5242] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5246] rt_sigprocmask(SIG_SETMASK, [], [pid 5245] <... setpgid resumed>) = 0 [pid 5244] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5243] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5242] <... futex resumed>) = 0 [pid 5246] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5244] <... futex resumed>) = 1 [pid 5241] <... futex resumed>) = 0 [pid 5245] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5241] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5241] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5239] <... futex resumed>) = 0 [pid 5239] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5242] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5239] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5246] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5245] <... openat resumed>) = 3 [pid 5244] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5243] <... futex resumed>) = 1 [pid 5240] <... bpf resumed>) = 5 [pid 5246] <... bpf resumed>) = 3 [pid 5245] write(3, "1000", 4 [pid 5244] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5243] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5246] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5245] <... write resumed>) = 4 [pid 5244] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5243] <... bpf resumed>) = 4 [pid 5240] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5246] <... futex resumed>) = 1 [pid 5245] close(3 [pid 5244] <... futex resumed>) = 1 [pid 5242] <... futex resumed>) = 0 [pid 5241] <... futex resumed>) = 0 [pid 5246] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5245] <... close resumed>) = 0 [pid 5244] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5243] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5242] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5241] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5240] <... futex resumed>) = 1 [pid 5238] <... futex resumed>) = 0 [pid 5246] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5245] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5244] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5243] <... futex resumed>) = 1 [pid 5242] <... futex resumed>) = 0 [pid 5241] <... futex resumed>) = 0 [pid 5240] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5239] <... futex resumed>) = 0 [pid 5238] exit_group(0 [pid 5246] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5245] <... futex resumed>) = 0 [pid 5244] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5243] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5242] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5241] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5240] <... futex resumed>) = ? [pid 5239] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5238] <... exit_group resumed>) = ? [pid 5246] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5245] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5244] <... bpf resumed>) = 4 [pid 5243] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5240] +++ exited with 0 +++ [pid 5239] <... futex resumed>) = 0 [pid 5238] +++ exited with 0 +++ [pid 5246] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5245] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5244] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5243] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5239] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5238, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5246] <... futex resumed>) = 1 [pid 5245] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5244] <... futex resumed>) = 1 [pid 5242] <... futex resumed>) = 0 [pid 5241] <... futex resumed>) = 0 [pid 5246] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5245] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5244] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5242] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5241] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5246] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5245] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5244] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5242] <... futex resumed>) = 0 [pid 5241] <... futex resumed>) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5246] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5245] <... mmap resumed>) = 0x7fa95d43d000 [pid 5244] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5242] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5241] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5245] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5246] <... bpf resumed>) = 4 ./strace-static-x86_64: Process 5247 attached [pid 5246] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5245] <... mprotect resumed>) = 0 [pid 5247] set_robust_list(0x5555743056a0, 24 [pid 5074] <... clone resumed>, child_tidptr=0x555574305690) = 5247 [pid 5247] <... set_robust_list resumed>) = 0 [pid 5246] <... futex resumed>) = 1 [pid 5245] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5242] <... futex resumed>) = 0 [pid 5247] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5246] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5245] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5242] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5247] <... prctl resumed>) = 0 [pid 5245] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5242] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5248 attached [pid 5247] setpgid(0, 0 [pid 5242] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5248] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5247] <... setpgid resumed>) = 0 [pid 5245] <... clone3 resumed> => {parent_tid=[5248]}, 88) = 5248 [pid 5248] <... rseq resumed>) = 0 [pid 5247] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5245] rt_sigprocmask(SIG_SETMASK, [], [pid 5248] set_robust_list(0x7fa95d45d9a0, 24) = 0 [pid 5248] rt_sigprocmask(SIG_SETMASK, [], [pid 5245] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5248] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5247] <... openat resumed>) = 3 [pid 5244] <... bpf resumed>) = 5 [pid 5248] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5246] <... bpf resumed>) = 5 [pid 5245] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5243] <... bpf resumed>) = 5 [pid 5248] <... bpf resumed>) = 3 [pid 5247] write(3, "1000", 4 [pid 5246] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5245] <... futex resumed>) = 0 [pid 5244] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5243] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5248] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5247] <... write resumed>) = 4 [pid 5246] <... futex resumed>) = 1 [pid 5245] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5242] <... futex resumed>) = 0 [pid 5248] <... futex resumed>) = 0 [pid 5246] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5245] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5244] <... futex resumed>) = 1 [pid 5242] exit_group(0 [pid 5241] <... futex resumed>) = 0 [pid 5248] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5247] close(3 [pid 5245] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5244] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5243] <... futex resumed>) = 1 [pid 5239] <... futex resumed>) = 0 [pid 5248] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5247] <... close resumed>) = 0 [pid 5246] <... futex resumed>) = ? [pid 5245] <... futex resumed>) = 0 [pid 5243] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5242] <... exit_group resumed>) = ? [pid 5241] exit_group(0 [pid 5239] exit_group(0 [pid 5248] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5247] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5246] +++ exited with 0 +++ [pid 5245] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5244] <... futex resumed>) = ? [pid 5242] +++ exited with 0 +++ [pid 5241] <... exit_group resumed>) = ? [pid 5239] <... exit_group resumed>) = ? [pid 5248] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5247] <... futex resumed>) = 0 [pid 5244] +++ exited with 0 +++ [pid 5243] <... futex resumed>) = ? [pid 5241] +++ exited with 0 +++ [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5242, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5248] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5247] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5248] <... futex resumed>) = 1 [pid 5245] <... futex resumed>) = 0 [pid 5248] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5245] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5248] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5245] <... futex resumed>) = 0 [pid 5243] +++ exited with 0 +++ [pid 5239] +++ exited with 0 +++ [pid 5248] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5245] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5247] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5248] <... bpf resumed>) = 4 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5241, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5067] restart_syscall(<... resuming interrupted clone ...> [pid 5248] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5247] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5239, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5067] <... restart_syscall resumed>) = 0 [pid 5248] <... futex resumed>) = 1 [pid 5247] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5245] <... futex resumed>) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5249 attached [pid 5248] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5247] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5245] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5249] set_robust_list(0x5555743056a0, 24 [pid 5248] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5247] <... mmap resumed>) = 0x7fa95d43d000 [pid 5245] <... futex resumed>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5249] <... set_robust_list resumed>) = 0 [pid 5248] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5245] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000}./strace-static-x86_64: Process 5250 attached [pid 5249] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5250] set_robust_list(0x5555743056a0, 24 [pid 5249] setpgid(0, 0 [pid 5247] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5250] <... set_robust_list resumed>) = 0 [pid 5249] <... setpgid resumed>) = 0 [pid 5250] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5249] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5247] <... mprotect resumed>) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x555574305690) = 5249 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5250] <... prctl resumed>) = 0 [pid 5249] <... openat resumed>) = 3 [pid 5247] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5251 attached [pid 5250] setpgid(0, 0 [pid 5249] write(3, "1000", 4 [pid 5251] set_robust_list(0x5555743056a0, 24) = 0 [pid 5250] <... setpgid resumed>) = 0 [pid 5249] <... write resumed>) = 4 [pid 5251] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5250] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5249] close(3 [pid 5247] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x555574305690) = 5250 [pid 5067] <... clone resumed>, child_tidptr=0x555574305690) = 5251 [pid 5251] <... prctl resumed>) = 0 [pid 5250] <... openat resumed>) = 3 [pid 5249] <... close resumed>) = 0 [pid 5247] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5251] setpgid(0, 0 [pid 5250] write(3, "1000", 4 [pid 5249] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5252 attached [pid 5251] <... setpgid resumed>) = 0 [pid 5250] <... write resumed>) = 4 [pid 5249] <... futex resumed>) = 0 [pid 5252] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5251] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5250] close(3 [pid 5249] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5247] <... clone3 resumed> => {parent_tid=[5252]}, 88) = 5252 [pid 5252] <... rseq resumed>) = 0 [pid 5250] <... close resumed>) = 0 [pid 5249] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5247] rt_sigprocmask(SIG_SETMASK, [], [pid 5252] set_robust_list(0x7fa95d45d9a0, 24 [pid 5251] <... openat resumed>) = 3 [pid 5250] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5249] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5252] <... set_robust_list resumed>) = 0 [pid 5247] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5252] rt_sigprocmask(SIG_SETMASK, [], [pid 5250] <... futex resumed>) = 0 [pid 5249] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5247] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5247] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5252] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5251] write(3, "1000", 4 [pid 5250] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5249] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5252] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5251] <... write resumed>) = 4 [pid 5250] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5249] <... mmap resumed>) = 0x7fa95d43d000 [pid 5252] <... bpf resumed>) = 3 [pid 5251] close(3 [pid 5250] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5249] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5252] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5251] <... close resumed>) = 0 [pid 5250] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5249] <... mprotect resumed>) = 0 [pid 5252] <... futex resumed>) = 1 [pid 5251] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5250] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5247] <... futex resumed>) = 0 [pid 5252] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5251] <... futex resumed>) = 0 [pid 5250] <... mmap resumed>) = 0x7fa95d43d000 [pid 5249] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5247] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5252] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5251] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5250] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5252] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5251] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5250] <... mprotect resumed>) = 0 [pid 5249] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5247] <... futex resumed>) = 0 [pid 5252] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5251] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5250] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5247] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5252] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5251] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5250] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5249] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0}./strace-static-x86_64: Process 5253 attached [pid 5252] <... futex resumed>) = 1 [pid 5251] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5250] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5247] <... futex resumed>) = 0 [pid 5252] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5251] <... mmap resumed>) = 0x7fa95d43d000 [pid 5249] <... clone3 resumed> => {parent_tid=[5253]}, 88) = 5253 [pid 5251] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5250] <... clone3 resumed> => {parent_tid=[5254]}, 88) = 5254 [pid 5249] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5254 attached [pid 5253] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5251] <... mprotect resumed>) = 0 [pid 5250] rt_sigprocmask(SIG_SETMASK, [], [pid 5249] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5247] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5254] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5253] <... rseq resumed>) = 0 [pid 5252] <... futex resumed>) = 0 [pid 5251] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5250] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5249] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5247] <... futex resumed>) = 1 [pid 5254] <... rseq resumed>) = 0 [pid 5253] set_robust_list(0x7fa95d45d9a0, 24 [pid 5252] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5247] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5254] set_robust_list(0x7fa95d45d9a0, 24 [pid 5253] <... set_robust_list resumed>) = 0 [pid 5254] <... set_robust_list resumed>) = 0 [pid 5253] rt_sigprocmask(SIG_SETMASK, [], [pid 5251] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5250] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5249] <... futex resumed>) = 0 [pid 5248] <... bpf resumed>) = 5 [pid 5254] rt_sigprocmask(SIG_SETMASK, [], [pid 5253] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5252] <... bpf resumed>) = 4 [pid 5251] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5250] <... futex resumed>) = 0 [pid 5249] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5248] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5255 attached [pid 5254] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5253] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5252] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5250] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5248] <... futex resumed>) = 1 [pid 5245] <... futex resumed>) = 0 [pid 5255] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5254] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5253] <... bpf resumed>) = 3 [pid 5252] <... futex resumed>) = 1 [pid 5251] <... clone3 resumed> => {parent_tid=[5255]}, 88) = 5255 [pid 5248] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5247] <... futex resumed>) = 0 [pid 5245] exit_group(0 [pid 5255] <... rseq resumed>) = 0 [pid 5254] <... bpf resumed>) = 3 [pid 5253] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5252] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5251] rt_sigprocmask(SIG_SETMASK, [], [pid 5248] <... futex resumed>) = ? [pid 5247] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5245] <... exit_group resumed>) = ? [pid 5255] set_robust_list(0x7fa95d45d9a0, 24 [pid 5254] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5253] <... futex resumed>) = 1 [pid 5252] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5251] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5249] <... futex resumed>) = 0 [pid 5248] +++ exited with 0 +++ [pid 5247] <... futex resumed>) = 0 [pid 5255] <... set_robust_list resumed>) = 0 [pid 5254] <... futex resumed>) = 1 [pid 5253] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5251] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5250] <... futex resumed>) = 0 [pid 5255] rt_sigprocmask(SIG_SETMASK, [], [pid 5254] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5253] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5252] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5251] <... futex resumed>) = 0 [pid 5250] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5249] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5247] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5245] +++ exited with 0 +++ [pid 5255] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5254] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5253] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5251] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5250] <... futex resumed>) = 0 [pid 5249] <... futex resumed>) = 0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5245, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5255] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5254] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5253] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5250] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5249] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5255] <... bpf resumed>) = 3 [pid 5255] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5254] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5253] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5255] <... futex resumed>) = 1 [pid 5254] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5253] <... futex resumed>) = 1 [pid 5251] <... futex resumed>) = 0 [pid 5249] <... futex resumed>) = 0 [pid 5255] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5254] <... futex resumed>) = 1 [pid 5253] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5251] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5250] <... futex resumed>) = 0 [pid 5249] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5255] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5254] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5253] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5251] <... futex resumed>) = 0 [pid 5250] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5249] <... futex resumed>) = 0 [pid 5255] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5254] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5253] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5251] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5250] <... futex resumed>) = 0 [pid 5249] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5255] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5254] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5253] <... bpf resumed>) = 4 [pid 5250] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5255] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5254] <... bpf resumed>) = 4 [pid 5255] <... futex resumed>) = 1 [pid 5251] <... futex resumed>) = 0 [pid 5255] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5251] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5255] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5251] <... futex resumed>) = 0 [pid 5255] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5251] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5254] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5253] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5256 attached [pid 5255] <... bpf resumed>) = 4 [pid 5254] <... futex resumed>) = 1 [pid 5253] <... futex resumed>) = 1 [pid 5252] <... bpf resumed>) = 5 [pid 5250] <... futex resumed>) = 0 [pid 5249] <... futex resumed>) = 0 [pid 5256] set_robust_list(0x5555743056a0, 24 [pid 5255] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5254] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5253] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5252] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5250] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5249] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5256] <... set_robust_list resumed>) = 0 [pid 5255] <... futex resumed>) = 1 [pid 5252] <... futex resumed>) = 1 [pid 5251] <... futex resumed>) = 0 [pid 5250] <... futex resumed>) = 0 [pid 5249] <... futex resumed>) = 0 [pid 5247] <... futex resumed>) = 0 [pid 5255] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5252] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5251] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5250] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5249] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5247] exit_group(0 [pid 5256] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5255] <... bpf resumed>) = 5 [pid 5254] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5253] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5252] <... futex resumed>) = ? [pid 5251] <... futex resumed>) = 0 [pid 5247] <... exit_group resumed>) = ? [pid 5070] <... clone resumed>, child_tidptr=0x555574305690) = 5256 [pid 5256] <... prctl resumed>) = 0 [pid 5255] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5254] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5253] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5252] +++ exited with 0 +++ [pid 5251] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5254] <... bpf resumed>) = 5 [pid 5253] <... bpf resumed>) = 5 [pid 5247] +++ exited with 0 +++ [pid 5256] setpgid(0, 0 [pid 5255] <... futex resumed>) = 0 [pid 5251] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5256] <... setpgid resumed>) = 0 [pid 5255] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5254] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5253] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5247, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5251] exit_group(0 [pid 5256] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5255] <... futex resumed>) = ? [pid 5254] <... futex resumed>) = 1 [pid 5253] <... futex resumed>) = 1 [pid 5251] <... exit_group resumed>) = ? [pid 5250] <... futex resumed>) = 0 [pid 5249] <... futex resumed>) = 0 [pid 5256] <... openat resumed>) = 3 [pid 5255] +++ exited with 0 +++ [pid 5254] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5253] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5250] exit_group(0 [pid 5251] +++ exited with 0 +++ [pid 5256] write(3, "1000", 4 [pid 5254] <... futex resumed>) = ? [pid 5250] <... exit_group resumed>) = ? [pid 5249] exit_group(0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5256] <... write resumed>) = 4 [pid 5254] +++ exited with 0 +++ [pid 5253] <... futex resumed>) = ? [pid 5249] <... exit_group resumed>) = ? [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5251, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- ./strace-static-x86_64: Process 5257 attached [pid 5253] +++ exited with 0 +++ [pid 5067] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5257] set_robust_list(0x5555743056a0, 24) = 0 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5258 attached [pid 5257] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5256] close(3 [pid 5074] <... clone resumed>, child_tidptr=0x555574305690) = 5257 [pid 5257] <... prctl resumed>) = 0 [pid 5256] <... close resumed>) = 0 [pid 5256] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5258] set_robust_list(0x5555743056a0, 24 [pid 5256] <... futex resumed>) = 0 [pid 5258] <... set_robust_list resumed>) = 0 [pid 5256] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, NULL, 8) = 0 [pid 5256] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5258] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5257] setpgid(0, 0 [pid 5256] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5258] <... prctl resumed>) = 0 [pid 5257] <... setpgid resumed>) = 0 [pid 5258] setpgid(0, 0 [pid 5257] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5256] <... mmap resumed>) = 0x7fa95d43d000 [pid 5258] <... setpgid resumed>) = 0 [pid 5257] <... openat resumed>) = 3 [pid 5256] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5067] <... clone resumed>, child_tidptr=0x555574305690) = 5258 [pid 5256] <... mprotect resumed>) = 0 [pid 5258] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5257] write(3, "1000", 4) = 4 [pid 5257] close(3) = 0 [pid 5257] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5258] <... openat resumed>) = 3 [pid 5256] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5250] +++ exited with 0 +++ [pid 5249] +++ exited with 0 +++ [pid 5258] write(3, "1000", 4 [pid 5257] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5256] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5249, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5250, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5258] <... write resumed>) = 4 [pid 5257] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5256] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0}./strace-static-x86_64: Process 5259 attached [pid 5258] close(3 [pid 5257] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5259] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5258] <... close resumed>) = 0 [pid 5257] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5256] <... clone3 resumed> => {parent_tid=[5259]}, 88) = 5259 [pid 5259] <... rseq resumed>) = 0 [pid 5258] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5257] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5256] rt_sigprocmask(SIG_SETMASK, [], [pid 5259] set_robust_list(0x7fa95d45d9a0, 24 [pid 5258] <... futex resumed>) = 0 [pid 5256] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5259] <... set_robust_list resumed>) = 0 [pid 5258] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5257] <... mmap resumed>) = 0x7fa95d43d000 [pid 5256] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5259] rt_sigprocmask(SIG_SETMASK, [], [pid 5258] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5256] <... futex resumed>) = 0 [pid 5259] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5258] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5256] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5259] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5258] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5258] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5259] <... bpf resumed>) = 3 [pid 5258] <... mmap resumed>) = 0x7fa95d43d000 [pid 5259] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5261 attached ./strace-static-x86_64: Process 5260 attached [pid 5258] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5257] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5261] set_robust_list(0x5555743056a0, 24 [pid 5260] set_robust_list(0x5555743056a0, 24 [pid 5259] <... futex resumed>) = 1 [pid 5258] <... mprotect resumed>) = 0 [pid 5257] <... mprotect resumed>) = 0 [pid 5256] <... futex resumed>) = 0 [pid 5261] <... set_robust_list resumed>) = 0 [pid 5260] <... set_robust_list resumed>) = 0 [pid 5259] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5258] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5256] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5261] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5260] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5259] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5259] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5256] <... futex resumed>) = 0 [pid 5261] <... prctl resumed>) = 0 [pid 5260] <... prctl resumed>) = 0 [pid 5259] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5258] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5256] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5261] setpgid(0, 0 [pid 5260] setpgid(0, 0 [pid 5259] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5258] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5256] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5261] <... setpgid resumed>) = 0 [pid 5260] <... setpgid resumed>) = 0 [pid 5259] <... futex resumed>) = 0 [pid 5256] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5262 attached [pid 5261] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5260] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5259] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5258] <... clone3 resumed> => {parent_tid=[5262]}, 88) = 5262 [pid 5257] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5256] <... futex resumed>) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x555574305690) = 5261 [pid 5068] <... clone resumed>, child_tidptr=0x555574305690) = 5260 [pid 5262] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5261] <... openat resumed>) = 3 [pid 5260] <... openat resumed>) = 3 [pid 5259] <... bpf resumed>) = 4 [pid 5258] rt_sigprocmask(SIG_SETMASK, [], [pid 5257] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5256] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5262] <... rseq resumed>) = 0 [pid 5261] write(3, "1000", 4 [pid 5260] write(3, "1000", 4 [pid 5259] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5258] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5257] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5256] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 5263 attached [pid 5262] set_robust_list(0x7fa95d45d9a0, 24 [pid 5261] <... write resumed>) = 4 [pid 5260] <... write resumed>) = 4 [pid 5259] <... futex resumed>) = 0 [pid 5258] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5256] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5263] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5262] <... set_robust_list resumed>) = 0 [pid 5261] close(3 [pid 5260] close(3 [pid 5259] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5258] <... futex resumed>) = 0 [pid 5257] <... clone3 resumed> => {parent_tid=[5263]}, 88) = 5263 [pid 5256] <... futex resumed>) = 0 [pid 5263] <... rseq resumed>) = 0 [pid 5262] rt_sigprocmask(SIG_SETMASK, [], [pid 5261] <... close resumed>) = 0 [pid 5260] <... close resumed>) = 0 [pid 5259] <... bpf resumed>) = 5 [pid 5258] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5257] rt_sigprocmask(SIG_SETMASK, [], [pid 5256] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5263] set_robust_list(0x7fa95d45d9a0, 24 [pid 5262] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5261] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5260] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5259] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5257] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5256] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5263] <... set_robust_list resumed>) = 0 [pid 5262] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5261] <... futex resumed>) = 0 [pid 5260] <... futex resumed>) = 0 [pid 5259] <... futex resumed>) = 0 [pid 5257] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5256] exit_group(0 [pid 5263] rt_sigprocmask(SIG_SETMASK, [], [pid 5262] <... bpf resumed>) = 3 [pid 5261] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5260] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5257] <... futex resumed>) = 0 [pid 5256] <... exit_group resumed>) = ? [pid 5263] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5262] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5261] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5260] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5259] +++ exited with 0 +++ [pid 5257] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5263] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5262] <... futex resumed>) = 1 [pid 5258] <... futex resumed>) = 0 [pid 5263] <... bpf resumed>) = 3 [pid 5262] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5261] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5260] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5258] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5256] +++ exited with 0 +++ [pid 5263] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5262] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5261] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5260] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5258] <... futex resumed>) = 0 [pid 5262] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5256, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5262] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5263] <... futex resumed>) = 1 [pid 5262] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5261] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5260] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5258] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5257] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5264 attached [pid 5263] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5262] <... futex resumed>) = 0 [pid 5261] <... mmap resumed>) = 0x7fa95d43d000 [pid 5262] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5264] set_robust_list(0x5555743056a0, 24 [pid 5263] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5261] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5260] <... mmap resumed>) = 0x7fa95d43d000 [pid 5258] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5257] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... clone resumed>, child_tidptr=0x555574305690) = 5264 [pid 5264] <... set_robust_list resumed>) = 0 [pid 5263] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5261] <... mprotect resumed>) = 0 [pid 5264] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5263] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5260] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5258] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5257] <... futex resumed>) = 0 [pid 5263] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5264] <... prctl resumed>) = 0 [pid 5262] <... futex resumed>) = 0 [pid 5263] <... futex resumed>) = 0 [pid 5261] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5260] <... mprotect resumed>) = 0 [pid 5258] <... futex resumed>) = 1 [pid 5257] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5264] setpgid(0, 0 [pid 5263] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5262] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5264] <... setpgid resumed>) = 0 [pid 5262] <... bpf resumed>) = 4 [pid 5261] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5260] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5258] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5257] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5264] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5261] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0}./strace-static-x86_64: Process 5265 attached [pid 5264] <... openat resumed>) = 3 [pid 5262] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5260] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5257] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5265] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5263] <... futex resumed>) = 0 [pid 5261] <... clone3 resumed> => {parent_tid=[5265]}, 88) = 5265 [pid 5260] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5257] <... futex resumed>) = 1 [pid 5265] <... rseq resumed>) = 0 [pid 5263] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144./strace-static-x86_64: Process 5266 attached [pid 5265] set_robust_list(0x7fa95d45d9a0, 24 [pid 5264] write(3, "1000", 4 [pid 5262] <... futex resumed>) = 1 [pid 5261] rt_sigprocmask(SIG_SETMASK, [], [pid 5258] <... futex resumed>) = 0 [pid 5257] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5266] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5264] <... write resumed>) = 4 [pid 5262] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5266] <... rseq resumed>) = 0 [pid 5264] close(3 [pid 5266] set_robust_list(0x7fa95d45d9a0, 24 [pid 5264] <... close resumed>) = 0 [pid 5263] <... bpf resumed>) = 4 [pid 5266] <... set_robust_list resumed>) = 0 [pid 5265] <... set_robust_list resumed>) = 0 [pid 5264] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5263] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5261] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5260] <... clone3 resumed> => {parent_tid=[5266]}, 88) = 5266 [pid 5258] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5266] rt_sigprocmask(SIG_SETMASK, [], [pid 5265] rt_sigprocmask(SIG_SETMASK, [], [pid 5264] <... futex resumed>) = 0 [pid 5263] <... futex resumed>) = 1 [pid 5262] <... futex resumed>) = 0 [pid 5261] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5260] rt_sigprocmask(SIG_SETMASK, [], [pid 5258] <... futex resumed>) = 1 [pid 5257] <... futex resumed>) = 0 [pid 5266] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5265] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5264] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5263] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5262] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5261] <... futex resumed>) = 0 [pid 5260] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5258] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5257] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5266] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5265] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5264] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5263] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5262] <... bpf resumed>) = 5 [pid 5261] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5260] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5257] <... futex resumed>) = 0 [pid 5266] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5265] <... bpf resumed>) = 3 [pid 5264] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5263] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5262] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5260] <... futex resumed>) = 0 [pid 5257] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5266] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5265] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5264] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5262] <... futex resumed>) = 1 [pid 5263] <... bpf resumed>) = 5 [pid 5260] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5258] <... futex resumed>) = 0 [pid 5266] <... bpf resumed>) = 3 [pid 5265] <... futex resumed>) = 1 [pid 5264] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5263] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5262] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5261] <... futex resumed>) = 0 [pid 5258] exit_group(0 [pid 5266] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5265] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5264] <... mmap resumed>) = 0x7fa95d43d000 [pid 5263] <... futex resumed>) = 1 [pid 5262] <... futex resumed>) = ? [pid 5261] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5258] <... exit_group resumed>) = ? [pid 5257] <... futex resumed>) = 0 [pid 5266] <... futex resumed>) = 1 [pid 5265] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5264] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5263] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5262] +++ exited with 0 +++ [pid 5261] <... futex resumed>) = 0 [pid 5260] <... futex resumed>) = 0 [pid 5266] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5264] <... mprotect resumed>) = 0 [pid 5264] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5265] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5261] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5260] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5257] exit_group(0 [pid 5266] <... futex resumed>) = 0 [pid 5265] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5264] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5263] <... futex resumed>) = ? [pid 5260] <... futex resumed>) = 1 [pid 5257] <... exit_group resumed>) = ? [pid 5266] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5265] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5264] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5260] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5267 attached [pid 5266] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5265] <... futex resumed>) = 1 [pid 5261] <... futex resumed>) = 0 [pid 5267] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5266] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5265] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5264] <... clone3 resumed> => {parent_tid=[5267]}, 88) = 5267 [pid 5261] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5267] <... rseq resumed>) = 0 [pid 5266] <... futex resumed>) = 1 [pid 5265] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5264] rt_sigprocmask(SIG_SETMASK, [], [pid 5263] +++ exited with 0 +++ [pid 5261] <... futex resumed>) = 0 [pid 5260] <... futex resumed>) = 0 [pid 5258] +++ exited with 0 +++ [pid 5257] +++ exited with 0 +++ [pid 5267] set_robust_list(0x7fa95d45d9a0, 24 [pid 5266] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5265] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5264] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5261] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5260] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5257, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5258, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5267] <... set_robust_list resumed>) = 0 [pid 5266] <... bpf resumed>) = 4 [pid 5264] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5260] <... futex resumed>) = 0 [pid 5267] rt_sigprocmask(SIG_SETMASK, [], [pid 5265] <... bpf resumed>) = 4 [pid 5264] <... futex resumed>) = 0 [pid 5260] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5267] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5266] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5265] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5264] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5260] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5268 attached [pid 5267] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5266] <... futex resumed>) = 0 [pid 5265] <... futex resumed>) = 1 [pid 5261] <... futex resumed>) = 0 [pid 5260] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5267] <... bpf resumed>) = 3 [pid 5265] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5261] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5260] <... futex resumed>) = 0 [pid 5268] set_robust_list(0x5555743056a0, 24 [pid 5267] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5265] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5261] <... futex resumed>) = 0 [pid 5260] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000}./strace-static-x86_64: Process 5269 attached [pid 5268] <... set_robust_list resumed>) = 0 [pid 5267] <... futex resumed>) = 1 [pid 5266] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5265] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5264] <... futex resumed>) = 0 [pid 5261] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5074] <... clone resumed>, child_tidptr=0x555574305690) = 5268 [pid 5269] set_robust_list(0x5555743056a0, 24 [pid 5268] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5267] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5264] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5269] <... set_robust_list resumed>) = 0 [pid 5268] <... prctl resumed>) = 0 [pid 5267] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5264] <... futex resumed>) = 0 [pid 5269] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5268] setpgid(0, 0 [pid 5267] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5264] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5269] <... prctl resumed>) = 0 [pid 5268] <... setpgid resumed>) = 0 [pid 5267] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5067] <... clone resumed>, child_tidptr=0x555574305690) = 5269 [pid 5269] setpgid(0, 0 [pid 5268] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5267] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5269] <... setpgid resumed>) = 0 [pid 5268] <... openat resumed>) = 3 [pid 5267] <... futex resumed>) = 1 [pid 5264] <... futex resumed>) = 0 [pid 5264] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5269] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5267] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5268] write(3, "1000", 4 [pid 5269] <... openat resumed>) = 3 [pid 5264] <... futex resumed>) = 0 [pid 5264] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5269] write(3, "1000", 4 [pid 5268] <... write resumed>) = 4 [pid 5267] <... bpf resumed>) = 4 [pid 5269] <... write resumed>) = 4 [pid 5268] close(3 [pid 5267] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5269] close(3 [pid 5268] <... close resumed>) = 0 [pid 5267] <... futex resumed>) = 1 [pid 5264] <... futex resumed>) = 0 [pid 5269] <... close resumed>) = 0 [pid 5268] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5267] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5264] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5269] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5268] <... futex resumed>) = 0 [pid 5264] <... futex resumed>) = 0 [pid 5269] <... futex resumed>) = 0 [pid 5268] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5264] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5269] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5268] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5269] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5268] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5269] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5268] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5269] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5268] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5269] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5268] <... mmap resumed>) = 0x7fa95d43d000 [pid 5266] <... bpf resumed>) = 5 [pid 5269] <... mmap resumed>) = 0x7fa95d43d000 [pid 5268] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5267] <... bpf resumed>) = 5 [pid 5265] <... bpf resumed>) = 5 [pid 5269] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5268] <... mprotect resumed>) = 0 [pid 5267] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5266] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5265] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5269] <... mprotect resumed>) = 0 [pid 5268] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5267] <... futex resumed>) = 1 [pid 5266] <... futex resumed>) = 1 [pid 5265] <... futex resumed>) = 1 [pid 5264] <... futex resumed>) = 0 [pid 5261] <... futex resumed>) = 0 [pid 5260] <... futex resumed>) = 0 [pid 5269] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5268] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5267] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5266] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5265] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5264] exit_group(0 [pid 5261] exit_group(0 [pid 5260] exit_group(0 [pid 5269] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5268] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5267] <... futex resumed>) = ? [pid 5266] <... futex resumed>) = ? [pid 5265] <... futex resumed>) = ? [pid 5264] <... exit_group resumed>) = ? [pid 5261] <... exit_group resumed>) = ? [pid 5260] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5270 attached [pid 5269] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5267] +++ exited with 0 +++ [pid 5266] +++ exited with 0 +++ [pid 5265] +++ exited with 0 +++ [pid 5264] +++ exited with 0 +++ [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5264, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5271 attached [pid 5270] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5268] <... clone3 resumed> => {parent_tid=[5270]}, 88) = 5270 [pid 5261] +++ exited with 0 +++ [pid 5271] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5270] <... rseq resumed>) = 0 [pid 5269] <... clone3 resumed> => {parent_tid=[5271]}, 88) = 5271 [pid 5268] rt_sigprocmask(SIG_SETMASK, [], [pid 5260] +++ exited with 0 +++ [pid 5271] <... rseq resumed>) = 0 [pid 5270] set_robust_list(0x7fa95d45d9a0, 24 [pid 5269] rt_sigprocmask(SIG_SETMASK, [], [pid 5268] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5271] set_robust_list(0x7fa95d45d9a0, 24 [pid 5270] <... set_robust_list resumed>) = 0 [pid 5269] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5268] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5261, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5260, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5271] <... set_robust_list resumed>) = 0 [pid 5270] rt_sigprocmask(SIG_SETMASK, [], [pid 5269] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5268] <... futex resumed>) = 0 [pid 5068] restart_syscall(<... resuming interrupted clone ...> [pid 5271] rt_sigprocmask(SIG_SETMASK, [], [pid 5270] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5269] <... futex resumed>) = 0 [pid 5268] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] <... restart_syscall resumed>) = 0 [pid 5271] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5270] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5269] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5271] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5270] <... bpf resumed>) = 3 ./strace-static-x86_64: Process 5273 attached ./strace-static-x86_64: Process 5272 attached [pid 5271] <... bpf resumed>) = 3 [pid 5270] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5271] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5270] <... futex resumed>) = 1 [pid 5272] set_robust_list(0x5555743056a0, 24 [pid 5268] <... futex resumed>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5273] set_robust_list(0x5555743056a0, 24 [pid 5272] <... set_robust_list resumed>) = 0 [pid 5271] <... futex resumed>) = 1 [pid 5270] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5269] <... futex resumed>) = 0 [pid 5268] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] <... clone resumed>, child_tidptr=0x555574305690) = 5272 [pid 5070] <... clone resumed>, child_tidptr=0x555574305690) = 5273 [pid 5271] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5269] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5268] <... futex resumed>) = 0 [pid 5270] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5269] <... futex resumed>) = 0 [pid 5268] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5274 attached [pid 5273] <... set_robust_list resumed>) = 0 [pid 5272] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5271] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5270] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5269] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5268] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5068] <... clone resumed>, child_tidptr=0x555574305690) = 5274 [pid 5274] set_robust_list(0x5555743056a0, 24 [pid 5273] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5272] <... prctl resumed>) = 0 [pid 5271] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5270] <... futex resumed>) = 0 [pid 5268] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5274] <... set_robust_list resumed>) = 0 [pid 5273] <... prctl resumed>) = 0 [pid 5272] setpgid(0, 0 [pid 5271] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5270] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5268] <... futex resumed>) = 0 [pid 5274] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5273] setpgid(0, 0 [pid 5272] <... setpgid resumed>) = 0 [pid 5271] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5270] <... bpf resumed>) = 4 [pid 5268] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5273] <... setpgid resumed>) = 0 [pid 5274] <... prctl resumed>) = 0 [pid 5271] <... futex resumed>) = 1 [pid 5269] <... futex resumed>) = 0 [pid 5274] setpgid(0, 0 [pid 5271] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5269] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5274] <... setpgid resumed>) = 0 [pid 5272] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5271] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5269] <... futex resumed>) = 0 [pid 5271] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5269] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5273] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5271] <... bpf resumed>) = 4 [pid 5270] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5274] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5272] <... openat resumed>) = 3 [pid 5270] <... futex resumed>) = 1 [pid 5268] <... futex resumed>) = 0 [pid 5270] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5268] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5274] <... openat resumed>) = 3 [pid 5273] <... openat resumed>) = 3 [pid 5272] write(3, "1000", 4 [pid 5270] <... bpf resumed>) = 5 [pid 5268] <... futex resumed>) = 0 [pid 5271] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5274] write(3, "1000", 4 [pid 5273] write(3, "1000", 4 [pid 5272] <... write resumed>) = 4 [pid 5273] <... write resumed>) = 4 [pid 5274] <... write resumed>) = 4 [pid 5272] close(3 [pid 5274] close(3 [pid 5273] close(3 [pid 5271] <... futex resumed>) = 1 [pid 5272] <... close resumed>) = 0 [pid 5274] <... close resumed>) = 0 [pid 5271] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5270] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5269] <... futex resumed>) = 0 [pid 5268] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5274] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5273] <... close resumed>) = 0 [pid 5272] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5271] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5270] <... futex resumed>) = 0 [pid 5269] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5268] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5274] <... futex resumed>) = 0 [pid 5273] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5272] <... futex resumed>) = 0 [pid 5271] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5270] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5269] <... futex resumed>) = 0 [pid 5268] exit_group(0 [pid 5274] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5273] <... futex resumed>) = 0 [pid 5272] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5270] <... futex resumed>) = ? [pid 5269] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5268] <... exit_group resumed>) = ? [pid 5274] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5273] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5272] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5271] <... bpf resumed>) = 5 [pid 5270] +++ exited with 0 +++ [pid 5273] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5272] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5273] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5272] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5274] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5273] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5272] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5274] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5273] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5272] <... mmap resumed>) = 0x7fa95d43d000 [pid 5271] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5274] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5273] <... mmap resumed>) = 0x7fa95d43d000 [pid 5272] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5271] <... futex resumed>) = 1 [pid 5269] <... futex resumed>) = 0 [pid 5274] <... mmap resumed>) = 0x7fa95d43d000 [pid 5273] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5272] <... mprotect resumed>) = 0 [pid 5271] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5269] exit_group(0 [pid 5274] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5273] <... mprotect resumed>) = 0 [pid 5272] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5271] <... futex resumed>) = ? [pid 5269] <... exit_group resumed>) = ? [pid 5274] <... mprotect resumed>) = 0 [pid 5273] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5272] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5271] +++ exited with 0 +++ [pid 5274] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5272] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5273] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5273] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5274] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5272] <... clone3 resumed> => {parent_tid=[5275]}, 88) = 5275 ./strace-static-x86_64: Process 5276 attached ./strace-static-x86_64: Process 5275 attached [pid 5274] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5273] <... clone3 resumed> => {parent_tid=[5276]}, 88) = 5276 ./strace-static-x86_64: Process 5277 attached [pid 5276] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5275] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5273] rt_sigprocmask(SIG_SETMASK, [], [pid 5272] rt_sigprocmask(SIG_SETMASK, [], [pid 5277] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5276] <... rseq resumed>) = 0 [pid 5275] <... rseq resumed>) = 0 [pid 5274] <... clone3 resumed> => {parent_tid=[5277]}, 88) = 5277 [pid 5273] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5272] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5277] <... rseq resumed>) = 0 [pid 5276] set_robust_list(0x7fa95d45d9a0, 24 [pid 5275] set_robust_list(0x7fa95d45d9a0, 24 [pid 5274] rt_sigprocmask(SIG_SETMASK, [], [pid 5273] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5272] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5277] set_robust_list(0x7fa95d45d9a0, 24 [pid 5276] <... set_robust_list resumed>) = 0 [pid 5275] <... set_robust_list resumed>) = 0 [pid 5274] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5273] <... futex resumed>) = 0 [pid 5272] <... futex resumed>) = 0 [pid 5277] <... set_robust_list resumed>) = 0 [pid 5276] rt_sigprocmask(SIG_SETMASK, [], [pid 5275] rt_sigprocmask(SIG_SETMASK, [], [pid 5274] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5273] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5272] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5277] rt_sigprocmask(SIG_SETMASK, [], [pid 5276] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5275] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5274] <... futex resumed>) = 0 [pid 5277] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5276] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5275] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5274] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5277] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5276] <... bpf resumed>) = 3 [pid 5268] +++ exited with 0 +++ [pid 5277] <... bpf resumed>) = 3 [pid 5276] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5275] <... bpf resumed>) = 3 [pid 5269] +++ exited with 0 +++ [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5268, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5277] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5276] <... futex resumed>) = 1 [pid 5275] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5273] <... futex resumed>) = 0 [pid 5277] <... futex resumed>) = 1 [pid 5276] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5275] <... futex resumed>) = 1 [pid 5274] <... futex resumed>) = 0 [pid 5273] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5272] <... futex resumed>) = 0 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5269, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5277] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5276] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5275] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5274] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5273] <... futex resumed>) = 0 [pid 5272] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] restart_syscall(<... resuming interrupted clone ...> [pid 5277] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5276] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5275] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5277] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5276] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5275] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5277] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5276] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5275] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5277] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5276] <... futex resumed>) = 0 [pid 5275] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5277] <... futex resumed>) = 0 [pid 5276] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5275] <... futex resumed>) = 0 [pid 5277] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5275] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5277] <... futex resumed>) = 0 [pid 5274] <... futex resumed>) = 1 [pid 5273] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5275] <... futex resumed>) = 0 [pid 5272] <... futex resumed>) = 1 [pid 5067] <... restart_syscall resumed>) = 0 [pid 5277] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5275] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5274] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5273] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5272] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5274] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5273] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5272] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5276] <... futex resumed>) = 0 [pid 5274] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5273] <... futex resumed>) = 1 [pid 5272] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5278 attached ./strace-static-x86_64: Process 5279 attached [pid 5277] <... futex resumed>) = 0 [pid 5276] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5275] <... futex resumed>) = 0 [pid 5274] <... futex resumed>) = 1 [pid 5273] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5272] <... futex resumed>) = 1 [pid 5278] set_robust_list(0x5555743056a0, 24 [pid 5277] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5275] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5274] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5272] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5279] set_robust_list(0x5555743056a0, 24 [pid 5278] <... set_robust_list resumed>) = 0 [pid 5276] <... bpf resumed>) = 4 [pid 5067] <... clone resumed>, child_tidptr=0x555574305690) = 5279 [pid 5074] <... clone resumed>, child_tidptr=0x555574305690) = 5278 [pid 5275] <... bpf resumed>) = 4 [pid 5277] <... bpf resumed>) = 4 [pid 5279] <... set_robust_list resumed>) = 0 [pid 5278] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5276] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5279] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5278] <... prctl resumed>) = 0 [pid 5276] <... futex resumed>) = 1 [pid 5273] <... futex resumed>) = 0 [pid 5277] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5275] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5279] <... prctl resumed>) = 0 [pid 5278] setpgid(0, 0 [pid 5277] <... futex resumed>) = 1 [pid 5276] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5275] <... futex resumed>) = 1 [pid 5274] <... futex resumed>) = 0 [pid 5273] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5272] <... futex resumed>) = 0 [pid 5279] setpgid(0, 0 [pid 5278] <... setpgid resumed>) = 0 [pid 5277] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5275] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5274] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5273] <... futex resumed>) = 0 [pid 5272] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5279] <... setpgid resumed>) = 0 [pid 5278] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5277] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5275] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5274] <... futex resumed>) = 0 [pid 5273] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5272] <... futex resumed>) = 0 [pid 5278] <... openat resumed>) = 3 [pid 5277] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5276] <... bpf resumed>) = 5 [pid 5275] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5274] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5272] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5279] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5278] write(3, "1000", 4 [pid 5277] <... bpf resumed>) = 5 [pid 5276] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5275] <... bpf resumed>) = 5 [pid 5279] <... openat resumed>) = 3 [pid 5278] <... write resumed>) = 4 [pid 5277] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5276] <... futex resumed>) = 1 [pid 5275] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5273] <... futex resumed>) = 0 [pid 5279] write(3, "1000", 4 [pid 5278] close(3 [pid 5277] <... futex resumed>) = 1 [pid 5276] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5275] <... futex resumed>) = 1 [pid 5274] <... futex resumed>) = 0 [pid 5273] exit_group(0 [pid 5272] <... futex resumed>) = 0 [pid 5279] <... write resumed>) = 4 [pid 5278] <... close resumed>) = 0 [pid 5277] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5276] <... futex resumed>) = ? [pid 5275] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5274] exit_group(0 [pid 5273] <... exit_group resumed>) = ? [pid 5272] exit_group(0 [pid 5279] close(3 [pid 5278] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5277] <... futex resumed>) = ? [pid 5276] +++ exited with 0 +++ [pid 5275] <... futex resumed>) = ? [pid 5274] <... exit_group resumed>) = ? [pid 5273] +++ exited with 0 +++ [pid 5272] <... exit_group resumed>) = ? [pid 5279] <... close resumed>) = 0 [pid 5278] <... futex resumed>) = 0 [pid 5277] +++ exited with 0 +++ [pid 5275] +++ exited with 0 +++ [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5273, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5279] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5278] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5279] <... futex resumed>) = 0 [pid 5278] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5279] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5278] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5279] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5278] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5279] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5278] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5279] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5279] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5278] <... mmap resumed>) = 0x7fa95d43d000 [pid 5279] <... mmap resumed>) = 0x7fa95d43d000 [pid 5278] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5279] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5278] <... mprotect resumed>) = 0 [pid 5279] <... mprotect resumed>) = 0 [pid 5279] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5278] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5279] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5278] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5279] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5278] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0}./strace-static-x86_64: Process 5280 attached ./strace-static-x86_64: Process 5281 attached ./strace-static-x86_64: Process 5282 attached [pid 5280] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5279] <... clone3 resumed> => {parent_tid=[5280]}, 88) = 5280 [pid 5278] <... clone3 resumed> => {parent_tid=[5282]}, 88) = 5282 [pid 5282] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5280] <... rseq resumed>) = 0 [pid 5279] rt_sigprocmask(SIG_SETMASK, [], [pid 5278] rt_sigprocmask(SIG_SETMASK, [], [pid 5282] <... rseq resumed>) = 0 [pid 5280] set_robust_list(0x7fa95d45d9a0, 24 [pid 5279] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5278] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555574305690) = 5281 [pid 5282] set_robust_list(0x7fa95d45d9a0, 24 [pid 5280] <... set_robust_list resumed>) = 0 [pid 5279] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5278] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5282] <... set_robust_list resumed>) = 0 [pid 5280] rt_sigprocmask(SIG_SETMASK, [], [pid 5279] <... futex resumed>) = 0 [pid 5282] rt_sigprocmask(SIG_SETMASK, [], [pid 5280] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5282] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5279] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5282] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5281] set_robust_list(0x5555743056a0, 24 [pid 5280] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5278] <... futex resumed>) = 0 [pid 5282] <... bpf resumed>) = 3 [pid 5281] <... set_robust_list resumed>) = 0 [pid 5282] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5281] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5280] <... bpf resumed>) = 3 [pid 5278] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5282] <... futex resumed>) = 0 [pid 5281] <... prctl resumed>) = 0 [pid 5280] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5278] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5282] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5281] setpgid(0, 0 [pid 5280] <... futex resumed>) = 1 [pid 5279] <... futex resumed>) = 0 [pid 5278] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5282] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5281] <... setpgid resumed>) = 0 [pid 5280] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5279] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5278] <... futex resumed>) = 0 [pid 5282] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5281] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5279] <... futex resumed>) = 0 [pid 5278] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5281] <... openat resumed>) = 3 [pid 5280] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5281] write(3, "1000", 4 [pid 5282] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5281] <... write resumed>) = 4 [pid 5281] close(3) = 0 [pid 5282] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5281] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5279] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5282] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5281] <... futex resumed>) = 0 [pid 5278] <... futex resumed>) = 0 [pid 5281] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5280] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5278] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5281] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5279] <... futex resumed>) = 0 [pid 5282] <... futex resumed>) = 0 [pid 5281] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5280] <... futex resumed>) = 1 [pid 5279] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5278] <... futex resumed>) = 1 [pid 5282] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5281] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5280] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5279] <... futex resumed>) = 0 [pid 5278] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5281] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fa95d43d000 [pid 5281] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5279] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5281] <... mprotect resumed>) = 0 [pid 5281] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5280] <... bpf resumed>) = 4 [pid 5281] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0}./strace-static-x86_64: Process 5283 attached [pid 5283] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5281] <... clone3 resumed> => {parent_tid=[5283]}, 88) = 5283 [pid 5283] <... rseq resumed>) = 0 [pid 5282] <... bpf resumed>) = 4 [pid 5281] rt_sigprocmask(SIG_SETMASK, [], [pid 5283] set_robust_list(0x7fa95d45d9a0, 24 [pid 5282] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5281] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5280] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5283] <... set_robust_list resumed>) = 0 [pid 5281] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5278] <... futex resumed>) = 0 [pid 5282] <... futex resumed>) = 1 [pid 5283] rt_sigprocmask(SIG_SETMASK, [], [pid 5281] <... futex resumed>) = 0 [pid 5282] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5280] <... futex resumed>) = 1 [pid 5279] <... futex resumed>) = 0 [pid 5278] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5283] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5281] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5279] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5280] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5279] <... futex resumed>) = 0 [pid 5278] <... futex resumed>) = 0 [pid 5279] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5278] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5283] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5274] +++ exited with 0 +++ [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5274, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5283] <... bpf resumed>) = 3 [pid 5272] +++ exited with 0 +++ [pid 5283] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5281] <... futex resumed>) = 0 [pid 5283] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5281] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5283] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5281] <... futex resumed>) = 0 [pid 5283] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5281] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5272, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5283] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5072] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 5284 attached ) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x555574305690) = 5284 [pid 5284] set_robust_list(0x5555743056a0, 24 [pid 5283] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5281] <... futex resumed>) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5281] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5284] <... set_robust_list resumed>) = 0 [pid 5283] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5281] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5285 attached [pid 5284] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5285] set_robust_list(0x5555743056a0, 24) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x555574305690) = 5285 [pid 5285] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5284] <... prctl resumed>) = 0 [pid 5283] <... bpf resumed>) = 4 [pid 5281] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5285] <... prctl resumed>) = 0 [pid 5284] setpgid(0, 0) = 0 [pid 5285] setpgid(0, 0) = 0 [pid 5284] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5283] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5282] <... bpf resumed>) = 5 [pid 5280] <... bpf resumed>) = 5 [pid 5285] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5283] <... futex resumed>) = 1 [pid 5282] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5281] <... futex resumed>) = 0 [pid 5280] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5284] <... openat resumed>) = 3 [pid 5285] <... openat resumed>) = 3 [pid 5283] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5282] <... futex resumed>) = 1 [pid 5281] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5280] <... futex resumed>) = 1 [pid 5279] <... futex resumed>) = 0 [pid 5278] <... futex resumed>) = 0 [pid 5285] write(3, "1000", 4 [pid 5284] write(3, "1000", 4 [pid 5283] <... bpf resumed>) = 5 [pid 5282] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5281] <... futex resumed>) = 0 [pid 5280] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5279] exit_group(0 [pid 5278] exit_group(0 [pid 5285] <... write resumed>) = 4 [pid 5284] <... write resumed>) = 4 [pid 5283] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5282] <... futex resumed>) = ? [pid 5281] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5280] <... futex resumed>) = ? [pid 5279] <... exit_group resumed>) = ? [pid 5278] <... exit_group resumed>) = ? [pid 5285] close(3 [pid 5284] close(3 [pid 5283] <... futex resumed>) = 0 [pid 5282] +++ exited with 0 +++ [pid 5281] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5280] +++ exited with 0 +++ [pid 5283] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5281] exit_group(0 [pid 5283] <... futex resumed>) = ? [pid 5281] <... exit_group resumed>) = ? [pid 5283] +++ exited with 0 +++ [pid 5281] +++ exited with 0 +++ [pid 5279] +++ exited with 0 +++ [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5279, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5284] <... close resumed>) = 0 [pid 5285] <... close resumed>) = 0 [pid 5284] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5285] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5281, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5284] <... futex resumed>) = 0 [pid 5285] <... futex resumed>) = 0 [pid 5284] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5278] +++ exited with 0 +++ [pid 5285] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5284] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5285] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5284] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5285] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5284] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5285] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5278, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5285] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5284] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5074] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 5286 attached [pid 5285] <... mmap resumed>) = 0x7fa95d43d000 [pid 5284] <... mmap resumed>) = 0x7fa95d43d000 [pid 5074] <... restart_syscall resumed>) = 0 [pid 5284] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5286] set_robust_list(0x5555743056a0, 24 [pid 5285] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5284] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5285] <... mprotect resumed>) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5284] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 5287 attached [pid 5286] <... set_robust_list resumed>) = 0 [pid 5285] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] <... clone resumed>, child_tidptr=0x555574305690) = 5286 ./strace-static-x86_64: Process 5288 attached [pid 5287] set_robust_list(0x5555743056a0, 24 [pid 5286] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5285] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5284] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5070] <... clone resumed>, child_tidptr=0x555574305690) = 5287 [pid 5288] set_robust_list(0x5555743056a0, 24 [pid 5287] <... set_robust_list resumed>) = 0 [pid 5286] <... prctl resumed>) = 0 [pid 5285] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0}./strace-static-x86_64: Process 5290 attached ./strace-static-x86_64: Process 5289 attached [pid 5288] <... set_robust_list resumed>) = 0 [pid 5287] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5286] setpgid(0, 0 [pid 5284] <... clone3 resumed> => {parent_tid=[5289]}, 88) = 5289 [pid 5074] <... clone resumed>, child_tidptr=0x555574305690) = 5288 [pid 5290] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5287] <... prctl resumed>) = 0 [pid 5286] <... setpgid resumed>) = 0 [pid 5289] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5285] <... clone3 resumed> => {parent_tid=[5290]}, 88) = 5290 [pid 5290] <... rseq resumed>) = 0 [pid 5289] <... rseq resumed>) = 0 [pid 5288] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5287] setpgid(0, 0 [pid 5286] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5285] rt_sigprocmask(SIG_SETMASK, [], [pid 5284] rt_sigprocmask(SIG_SETMASK, [], [pid 5290] set_robust_list(0x7fa95d45d9a0, 24 [pid 5289] set_robust_list(0x7fa95d45d9a0, 24 [pid 5288] <... prctl resumed>) = 0 [pid 5284] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5290] <... set_robust_list resumed>) = 0 [pid 5289] <... set_robust_list resumed>) = 0 [pid 5288] setpgid(0, 0 [pid 5287] <... setpgid resumed>) = 0 [pid 5286] <... openat resumed>) = 3 [pid 5285] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5284] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5290] rt_sigprocmask(SIG_SETMASK, [], [pid 5289] rt_sigprocmask(SIG_SETMASK, [], [pid 5288] <... setpgid resumed>) = 0 [pid 5287] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5285] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5284] <... futex resumed>) = 0 [pid 5290] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5289] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5288] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5287] <... openat resumed>) = 3 [pid 5286] write(3, "1000", 4 [pid 5285] <... futex resumed>) = 0 [pid 5284] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5290] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5287] write(3, "1000", 4 [pid 5286] <... write resumed>) = 4 [pid 5285] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5290] <... bpf resumed>) = 3 [pid 5289] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5288] <... openat resumed>) = 3 [pid 5287] <... write resumed>) = 4 [pid 5286] close(3 [pid 5290] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5289] <... bpf resumed>) = 3 [pid 5287] close(3 [pid 5286] <... close resumed>) = 0 [pid 5288] write(3, "1000", 4 [pid 5290] <... futex resumed>) = 1 [pid 5289] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5287] <... close resumed>) = 0 [pid 5286] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5285] <... futex resumed>) = 0 [pid 5290] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5289] <... futex resumed>) = 1 [pid 5288] <... write resumed>) = 4 [pid 5287] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5286] <... futex resumed>) = 0 [pid 5285] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5284] <... futex resumed>) = 0 [pid 5290] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5289] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5288] close(3 [pid 5287] <... futex resumed>) = 0 [pid 5286] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5285] <... futex resumed>) = 0 [pid 5284] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5290] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5289] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5288] <... close resumed>) = 0 [pid 5284] <... futex resumed>) = 0 [pid 5289] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5287] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5286] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5285] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5284] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5288] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5290] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5289] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5287] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5286] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5288] <... futex resumed>) = 0 [pid 5290] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5287] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5286] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5289] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5288] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5290] <... futex resumed>) = 1 [pid 5289] <... futex resumed>) = 1 [pid 5288] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5287] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5286] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5285] <... futex resumed>) = 0 [pid 5284] <... futex resumed>) = 0 [pid 5290] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5289] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5288] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5287] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5286] <... mmap resumed>) = 0x7fa95d43d000 [pid 5285] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5284] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5290] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5289] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5288] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5287] <... mmap resumed>) = 0x7fa95d43d000 [pid 5286] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5285] <... futex resumed>) = 0 [pid 5290] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5289] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5288] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5287] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5286] <... mprotect resumed>) = 0 [pid 5285] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5284] <... futex resumed>) = 0 [pid 5289] <... bpf resumed>) = 4 [pid 5288] <... mmap resumed>) = 0x7fa95d43d000 [pid 5287] <... mprotect resumed>) = 0 [pid 5286] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5284] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5290] <... bpf resumed>) = 4 [pid 5287] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5290] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5285] <... futex resumed>) = 0 [pid 5290] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5288] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5286] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5285] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5286] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5287] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5285] <... futex resumed>) = 0 [pid 5287] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5289] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5288] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 5291 attached [pid 5289] <... futex resumed>) = 1 [pid 5288] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5285] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5284] <... futex resumed>) = 0 [pid 5291] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5289] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5284] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5291] <... rseq resumed>) = 0 [pid 5289] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5288] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5284] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5292 attached [pid 5291] set_robust_list(0x7fa95d45d9a0, 24 [pid 5290] <... bpf resumed>) = 5 [pid 5289] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5288] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5287] <... clone3 resumed> => {parent_tid=[5292]}, 88) = 5292 [pid 5286] <... clone3 resumed> => {parent_tid=[5291]}, 88) = 5291 [pid 5284] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000}./strace-static-x86_64: Process 5293 attached [pid 5292] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5291] <... set_robust_list resumed>) = 0 [pid 5290] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5289] <... bpf resumed>) = 5 [pid 5287] rt_sigprocmask(SIG_SETMASK, [], [pid 5286] rt_sigprocmask(SIG_SETMASK, [], [pid 5293] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5292] <... rseq resumed>) = 0 [pid 5291] rt_sigprocmask(SIG_SETMASK, [], [pid 5290] <... futex resumed>) = 1 [pid 5289] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5288] <... clone3 resumed> => {parent_tid=[5293]}, 88) = 5293 [pid 5287] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5286] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5285] <... futex resumed>) = 0 [pid 5293] <... rseq resumed>) = 0 [pid 5292] set_robust_list(0x7fa95d45d9a0, 24 [pid 5291] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5290] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5289] <... futex resumed>) = 1 [pid 5288] rt_sigprocmask(SIG_SETMASK, [], [pid 5287] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5286] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5285] exit_group(0 [pid 5284] <... futex resumed>) = 0 [pid 5293] set_robust_list(0x7fa95d45d9a0, 24 [pid 5291] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5289] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5288] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5287] <... futex resumed>) = 0 [pid 5286] <... futex resumed>) = 0 [pid 5285] <... exit_group resumed>) = ? [pid 5284] exit_group(0 [pid 5293] <... set_robust_list resumed>) = 0 [pid 5292] <... set_robust_list resumed>) = 0 [pid 5291] <... bpf resumed>) = 3 [pid 5290] <... futex resumed>) = ? [pid 5288] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5287] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5286] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5293] rt_sigprocmask(SIG_SETMASK, [], [pid 5292] rt_sigprocmask(SIG_SETMASK, [], [pid 5291] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5289] <... futex resumed>) = ? [pid 5288] <... futex resumed>) = 0 [pid 5286] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5284] <... exit_group resumed>) = ? [pid 5293] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5292] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5291] <... futex resumed>) = 0 [pid 5289] +++ exited with 0 +++ [pid 5288] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5286] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5293] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5291] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5286] <... futex resumed>) = 0 [pid 5293] <... bpf resumed>) = 3 [pid 5292] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5291] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5286] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5293] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5291] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5286] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5293] <... futex resumed>) = 1 [pid 5291] <... futex resumed>) = 0 [pid 5288] <... futex resumed>) = 0 [pid 5286] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5293] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5292] <... bpf resumed>) = 3 [pid 5291] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5288] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5286] <... futex resumed>) = 0 [pid 5293] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5292] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5288] <... futex resumed>) = 0 [pid 5286] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5293] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5288] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5291] <... bpf resumed>) = 4 [pid 5293] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5292] <... futex resumed>) = 1 [pid 5291] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5287] <... futex resumed>) = 0 [pid 5293] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5292] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5291] <... futex resumed>) = 1 [pid 5287] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5286] <... futex resumed>) = 0 [pid 5293] <... futex resumed>) = 1 [pid 5292] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5291] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5288] <... futex resumed>) = 0 [pid 5287] <... futex resumed>) = 0 [pid 5286] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5293] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5292] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5291] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5288] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5287] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5286] <... futex resumed>) = 0 [pid 5293] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5292] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5291] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5288] <... futex resumed>) = 0 [pid 5286] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5293] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5292] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5288] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5292] <... futex resumed>) = 1 [pid 5292] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5293] <... bpf resumed>) = 4 [pid 5287] <... futex resumed>) = 0 [pid 5293] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5287] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5293] <... futex resumed>) = 1 [pid 5288] <... futex resumed>) = 0 [pid 5287] <... futex resumed>) = 1 [pid 5293] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5288] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5287] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5292] <... futex resumed>) = 0 [pid 5293] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5292] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5288] <... futex resumed>) = 0 [pid 5293] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5292] <... bpf resumed>) = 4 [pid 5288] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5292] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5287] <... futex resumed>) = 0 [pid 5292] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5287] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5287] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5290] +++ exited with 0 +++ [pid 5285] +++ exited with 0 +++ [pid 5284] +++ exited with 0 +++ [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5285, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5284, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5294 attached [pid 5293] <... bpf resumed>) = 5 [pid 5292] <... bpf resumed>) = 5 [pid 5291] <... bpf resumed>) = 5 [pid 5294] set_robust_list(0x5555743056a0, 24 [pid 5293] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5292] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5291] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] <... clone resumed>, child_tidptr=0x555574305690) = 5294 ./strace-static-x86_64: Process 5295 attached [pid 5294] <... set_robust_list resumed>) = 0 [pid 5293] <... futex resumed>) = 1 [pid 5292] <... futex resumed>) = 1 [pid 5291] <... futex resumed>) = 1 [pid 5288] <... futex resumed>) = 0 [pid 5287] <... futex resumed>) = 0 [pid 5286] <... futex resumed>) = 0 [pid 5295] set_robust_list(0x5555743056a0, 24 [pid 5294] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5293] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5292] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5291] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5288] exit_group(0 [pid 5287] exit_group(0 [pid 5286] exit_group(0 [pid 5068] <... clone resumed>, child_tidptr=0x555574305690) = 5295 [pid 5295] <... set_robust_list resumed>) = 0 [pid 5294] <... prctl resumed>) = 0 [pid 5293] <... futex resumed>) = ? [pid 5292] <... futex resumed>) = ? [pid 5291] <... futex resumed>) = ? [pid 5288] <... exit_group resumed>) = ? [pid 5287] <... exit_group resumed>) = ? [pid 5286] <... exit_group resumed>) = ? [pid 5295] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5294] setpgid(0, 0 [pid 5293] +++ exited with 0 +++ [pid 5292] +++ exited with 0 +++ [pid 5291] +++ exited with 0 +++ [pid 5288] +++ exited with 0 +++ [pid 5287] +++ exited with 0 +++ [pid 5295] <... prctl resumed>) = 0 [pid 5295] setpgid(0, 0 [pid 5294] <... setpgid resumed>) = 0 [pid 5286] +++ exited with 0 +++ [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5288, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5287, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5295] <... setpgid resumed>) = 0 [pid 5294] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5295] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5294] <... openat resumed>) = 3 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5286, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5294] write(3, "1000", 4 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5295] <... openat resumed>) = 3 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5297 attached ./strace-static-x86_64: Process 5296 attached ./strace-static-x86_64: Process 5298 attached [pid 5295] write(3, "1000", 4 [pid 5297] set_robust_list(0x5555743056a0, 24 [pid 5298] set_robust_list(0x5555743056a0, 24 [pid 5297] <... set_robust_list resumed>) = 0 [pid 5296] set_robust_list(0x5555743056a0, 24 [pid 5295] <... write resumed>) = 4 [pid 5294] <... write resumed>) = 4 [pid 5298] <... set_robust_list resumed>) = 0 [pid 5297] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5296] <... set_robust_list resumed>) = 0 [pid 5295] close(3 [pid 5294] close(3 [pid 5298] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5297] <... prctl resumed>) = 0 [pid 5296] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5295] <... close resumed>) = 0 [pid 5294] <... close resumed>) = 0 [pid 5298] <... prctl resumed>) = 0 [pid 5297] setpgid(0, 0 [pid 5296] <... prctl resumed>) = 0 [pid 5295] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5294] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] <... clone resumed>, child_tidptr=0x555574305690) = 5297 [pid 5070] <... clone resumed>, child_tidptr=0x555574305690) = 5298 [pid 5067] <... clone resumed>, child_tidptr=0x555574305690) = 5296 [pid 5298] setpgid(0, 0 [pid 5297] <... setpgid resumed>) = 0 [pid 5296] setpgid(0, 0 [pid 5295] <... futex resumed>) = 0 [pid 5294] <... futex resumed>) = 0 [pid 5298] <... setpgid resumed>) = 0 [pid 5297] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5296] <... setpgid resumed>) = 0 [pid 5295] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5294] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5298] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5296] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5295] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5294] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5298] <... openat resumed>) = 3 [pid 5297] <... openat resumed>) = 3 [pid 5295] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5294] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5298] write(3, "1000", 4 [pid 5297] write(3, "1000", 4 [pid 5296] <... openat resumed>) = 3 [pid 5295] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5294] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5298] <... write resumed>) = 4 [pid 5297] <... write resumed>) = 4 [pid 5296] write(3, "1000", 4 [pid 5295] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5294] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5298] close(3 [pid 5297] close(3 [pid 5296] <... write resumed>) = 4 [pid 5295] <... mmap resumed>) = 0x7fa95d43d000 [pid 5294] <... mmap resumed>) = 0x7fa95d43d000 [pid 5298] <... close resumed>) = 0 [pid 5297] <... close resumed>) = 0 [pid 5297] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5296] close(3 [pid 5294] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5298] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5296] <... close resumed>) = 0 [pid 5295] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5294] <... mprotect resumed>) = 0 [pid 5298] <... futex resumed>) = 0 [pid 5297] <... futex resumed>) = 0 [pid 5296] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5295] <... mprotect resumed>) = 0 [pid 5298] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5297] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5296] <... futex resumed>) = 0 [pid 5294] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5298] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5297] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5296] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5295] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5294] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5298] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5297] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5296] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5295] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5294] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0}./strace-static-x86_64: Process 5299 attached [pid 5298] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5297] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5296] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5295] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0}./strace-static-x86_64: Process 5300 attached [pid 5299] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5298] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5297] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5296] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5294] <... clone3 resumed> => {parent_tid=[5299]}, 88) = 5299 [pid 5300] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5299] <... rseq resumed>) = 0 [pid 5298] <... mmap resumed>) = 0x7fa95d43d000 [pid 5297] <... mmap resumed>) = 0x7fa95d43d000 [pid 5296] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5294] rt_sigprocmask(SIG_SETMASK, [], [pid 5300] <... rseq resumed>) = 0 [pid 5299] set_robust_list(0x7fa95d45d9a0, 24 [pid 5298] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5297] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5296] <... mmap resumed>) = 0x7fa95d43d000 [pid 5295] <... clone3 resumed> => {parent_tid=[5300]}, 88) = 5300 [pid 5300] set_robust_list(0x7fa95d45d9a0, 24 [pid 5299] <... set_robust_list resumed>) = 0 [pid 5298] <... mprotect resumed>) = 0 [pid 5294] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5300] <... set_robust_list resumed>) = 0 [pid 5299] rt_sigprocmask(SIG_SETMASK, [], [pid 5297] <... mprotect resumed>) = 0 [pid 5296] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5295] rt_sigprocmask(SIG_SETMASK, [], [pid 5294] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5300] rt_sigprocmask(SIG_SETMASK, [], [pid 5299] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5298] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5296] <... mprotect resumed>) = 0 [pid 5297] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5295] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5294] <... futex resumed>) = 0 [pid 5300] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5299] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5298] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5297] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5296] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5295] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5294] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5300] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5299] <... bpf resumed>) = 3 [pid 5298] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5297] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5296] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5295] <... futex resumed>) = 0 [pid 5300] <... bpf resumed>) = 3 [pid 5299] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5301 attached ./strace-static-x86_64: Process 5302 attached [pid 5301] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5300] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5299] <... futex resumed>) = 1 [pid 5298] <... clone3 resumed> => {parent_tid=[5301]}, 88) = 5301 [pid 5296] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5295] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5294] <... futex resumed>) = 0 [pid 5301] <... rseq resumed>) = 0 [pid 5300] <... futex resumed>) = 0 [pid 5299] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5298] rt_sigprocmask(SIG_SETMASK, [], [pid 5297] <... clone3 resumed> => {parent_tid=[5302]}, 88) = 5302 [pid 5295] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5294] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5303 attached [pid 5302] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5301] set_robust_list(0x7fa95d45d9a0, 24 [pid 5300] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5299] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5298] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5297] rt_sigprocmask(SIG_SETMASK, [], [pid 5295] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5294] <... futex resumed>) = 0 [pid 5303] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5302] <... rseq resumed>) = 0 [pid 5301] <... set_robust_list resumed>) = 0 [pid 5300] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5299] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5298] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5297] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5296] <... clone3 resumed> => {parent_tid=[5303]}, 88) = 5303 [pid 5295] <... futex resumed>) = 0 [pid 5294] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5303] <... rseq resumed>) = 0 [pid 5302] set_robust_list(0x7fa95d45d9a0, 24 [pid 5301] rt_sigprocmask(SIG_SETMASK, [], [pid 5300] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5299] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5298] <... futex resumed>) = 0 [pid 5297] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5296] rt_sigprocmask(SIG_SETMASK, [], [pid 5295] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5303] set_robust_list(0x7fa95d45d9a0, 24 [pid 5302] <... set_robust_list resumed>) = 0 [pid 5301] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5300] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5298] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5297] <... futex resumed>) = 0 [pid 5296] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5303] <... set_robust_list resumed>) = 0 [pid 5302] rt_sigprocmask(SIG_SETMASK, [], [pid 5301] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5300] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5299] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5296] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5297] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5303] rt_sigprocmask(SIG_SETMASK, [], [pid 5302] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5301] <... bpf resumed>) = 3 [pid 5300] <... futex resumed>) = 1 [pid 5299] <... futex resumed>) = 1 [pid 5296] <... futex resumed>) = 0 [pid 5295] <... futex resumed>) = 0 [pid 5294] <... futex resumed>) = 0 [pid 5303] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5302] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5301] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5300] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5299] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5296] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5295] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5294] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5303] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5302] <... bpf resumed>) = 3 [pid 5301] <... futex resumed>) = 1 [pid 5300] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5299] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5298] <... futex resumed>) = 0 [pid 5295] <... futex resumed>) = 0 [pid 5294] <... futex resumed>) = 0 [pid 5303] <... bpf resumed>) = 3 [pid 5302] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5301] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5300] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5299] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5298] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5295] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5294] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5303] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5302] <... futex resumed>) = 1 [pid 5301] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5300] <... bpf resumed>) = 4 [pid 5298] <... futex resumed>) = 0 [pid 5297] <... futex resumed>) = 0 [pid 5303] <... futex resumed>) = 1 [pid 5302] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5301] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5300] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5299] <... bpf resumed>) = 4 [pid 5298] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5297] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5296] <... futex resumed>) = 0 [pid 5303] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5302] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5301] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5300] <... futex resumed>) = 1 [pid 5299] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5297] <... futex resumed>) = 0 [pid 5296] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5295] <... futex resumed>) = 0 [pid 5303] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5302] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5301] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5300] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5299] <... futex resumed>) = 1 [pid 5297] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5296] <... futex resumed>) = 0 [pid 5295] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5294] <... futex resumed>) = 0 [pid 5303] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5302] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5301] <... futex resumed>) = 1 [pid 5300] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5299] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5296] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5295] <... futex resumed>) = 0 [pid 5294] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5303] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5301] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5300] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5299] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5295] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5294] <... futex resumed>) = 0 [pid 5303] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5300] <... bpf resumed>) = 5 [pid 5299] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5298] <... futex resumed>) = 0 [pid 5294] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5303] <... futex resumed>) = 1 [pid 5302] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5298] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5296] <... futex resumed>) = 0 [pid 5301] <... futex resumed>) = 0 [pid 5298] <... futex resumed>) = 1 [pid 5301] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5298] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5303] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5302] <... futex resumed>) = 1 [pid 5301] <... bpf resumed>) = 4 [pid 5300] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5299] <... bpf resumed>) = 5 [pid 5297] <... futex resumed>) = 0 [pid 5296] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5303] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5302] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5300] <... futex resumed>) = 1 [pid 5297] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5303] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5302] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5301] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5300] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5299] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5297] <... futex resumed>) = 0 [pid 5296] <... futex resumed>) = 0 [pid 5295] <... futex resumed>) = 0 [pid 5302] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5301] <... futex resumed>) = 1 [pid 5298] <... futex resumed>) = 0 [pid 5297] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5296] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5294] <... futex resumed>) = 0 [pid 5295] exit_group(0 [pid 5301] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5299] <... futex resumed>) = 1 [pid 5298] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5303] <... bpf resumed>) = 4 [pid 5301] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5298] <... futex resumed>) = 0 [pid 5301] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5298] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5301] <... bpf resumed>) = 5 [pid 5301] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5302] <... bpf resumed>) = 4 [pid 5301] <... futex resumed>) = 1 [pid 5298] <... futex resumed>) = 0 [pid 5301] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5300] <... futex resumed>) = ? [pid 5299] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5298] exit_group(0 [pid 5295] <... exit_group resumed>) = ? [pid 5294] exit_group(0 [pid 5301] <... futex resumed>) = ? [pid 5300] +++ exited with 0 +++ [pid 5298] <... exit_group resumed>) = ? [pid 5301] +++ exited with 0 +++ [pid 5295] +++ exited with 0 +++ [pid 5294] <... exit_group resumed>) = ? [pid 5299] <... futex resumed>) = ? [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5295, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5303] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5296] <... futex resumed>) = 0 [pid 5302] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5297] <... futex resumed>) = 0 [pid 5297] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5297] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5302] <... futex resumed>) = 1 [pid 5302] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5303] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5296] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5303] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5296] <... futex resumed>) = 0 [pid 5296] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5304 attached , child_tidptr=0x555574305690) = 5304 [pid 5304] set_robust_list(0x5555743056a0, 24) = 0 [pid 5302] <... bpf resumed>) = 5 [pid 5298] +++ exited with 0 +++ [pid 5304] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5302] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5298, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5302] <... futex resumed>) = 1 [pid 5297] <... futex resumed>) = 0 [pid 5304] <... prctl resumed>) = 0 [pid 5302] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5297] exit_group(0 [pid 5304] setpgid(0, 0 [pid 5302] <... futex resumed>) = ? [pid 5297] <... exit_group resumed>) = ? [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5304] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 5305 attached [pid 5304] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5305] set_robust_list(0x5555743056a0, 24) = 0 [pid 5305] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5304] <... openat resumed>) = 3 [pid 5070] <... clone resumed>, child_tidptr=0x555574305690) = 5305 [pid 5305] <... prctl resumed>) = 0 [pid 5304] write(3, "1000", 4 [pid 5303] <... bpf resumed>) = 5 [pid 5299] +++ exited with 0 +++ [pid 5294] +++ exited with 0 +++ [pid 5305] setpgid(0, 0 [pid 5304] <... write resumed>) = 4 [pid 5303] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5305] <... setpgid resumed>) = 0 [pid 5304] close(3 [pid 5303] <... futex resumed>) = 1 [pid 5296] <... futex resumed>) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5294, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5305] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5304] <... close resumed>) = 0 [pid 5303] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5296] exit_group(0 [pid 5305] <... openat resumed>) = 3 [pid 5304] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5303] <... futex resumed>) = ? [pid 5296] <... exit_group resumed>) = ? [pid 5305] write(3, "1000", 4 [pid 5304] <... futex resumed>) = 0 [pid 5303] +++ exited with 0 +++ [pid 5305] <... write resumed>) = 4 [pid 5304] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5305] close(3 [pid 5304] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5306 attached [pid 5305] <... close resumed>) = 0 [pid 5304] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5305] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5306] set_robust_list(0x5555743056a0, 24 [pid 5305] <... futex resumed>) = 0 [pid 5306] <... set_robust_list resumed>) = 0 [pid 5305] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5304] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5306] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5305] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5304] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5306] <... prctl resumed>) = 0 [pid 5305] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5304] <... mmap resumed>) = 0x7fa95d43d000 [pid 5305] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5304] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5072] <... clone resumed>, child_tidptr=0x555574305690) = 5306 [pid 5306] setpgid(0, 0 [pid 5305] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5304] <... mprotect resumed>) = 0 [pid 5305] <... mmap resumed>) = 0x7fa95d43d000 [pid 5306] <... setpgid resumed>) = 0 [pid 5305] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5304] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5306] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5305] <... mprotect resumed>) = 0 [pid 5305] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5304] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5306] <... openat resumed>) = 3 [pid 5304] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0}./strace-static-x86_64: Process 5307 attached [pid 5306] write(3, "1000", 4 [pid 5305] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5307] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5306] <... write resumed>) = 4 [pid 5305] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5307] <... rseq resumed>) = 0 [pid 5306] close(3./strace-static-x86_64: Process 5308 attached [pid 5307] set_robust_list(0x7fa95d45d9a0, 24 [pid 5306] <... close resumed>) = 0 [pid 5304] <... clone3 resumed> => {parent_tid=[5307]}, 88) = 5307 [pid 5308] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5307] <... set_robust_list resumed>) = 0 [pid 5306] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5304] rt_sigprocmask(SIG_SETMASK, [], [pid 5308] <... rseq resumed>) = 0 [pid 5307] rt_sigprocmask(SIG_SETMASK, [], [pid 5306] <... futex resumed>) = 0 [pid 5308] set_robust_list(0x7fa95d45d9a0, 24 [pid 5307] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5306] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5305] <... clone3 resumed> => {parent_tid=[5308]}, 88) = 5308 [pid 5304] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5308] <... set_robust_list resumed>) = 0 [pid 5307] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5305] rt_sigprocmask(SIG_SETMASK, [], [pid 5304] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5305] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5304] <... futex resumed>) = 0 [pid 5308] rt_sigprocmask(SIG_SETMASK, [], [pid 5307] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5306] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5305] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5304] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5308] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5306] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5305] <... futex resumed>) = 0 [pid 5305] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5306] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5308] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5307] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5306] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5302] +++ exited with 0 +++ [pid 5297] +++ exited with 0 +++ [pid 5308] <... bpf resumed>) = 3 [pid 5296] +++ exited with 0 +++ [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5297, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5308] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5307] <... bpf resumed>) = 3 [pid 5306] <... mmap resumed>) = 0x7fa95d43d000 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5296, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5308] <... futex resumed>) = 1 [pid 5305] <... futex resumed>) = 0 [pid 5305] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5308] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5307] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5306] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5305] <... futex resumed>) = 0 [pid 5307] <... futex resumed>) = 1 [pid 5305] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5304] <... futex resumed>) = 0 [pid 5308] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5304] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5304] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5309 attached [pid 5308] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5307] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5306] <... mprotect resumed>) = 0 [pid 5304] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5309] set_robust_list(0x5555743056a0, 24 [pid 5308] <... futex resumed>) = 1 [pid 5305] <... futex resumed>) = 0 [pid 5308] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5305] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5306] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5308] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5305] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5307] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5309] <... set_robust_list resumed>) = 0 [pid 5308] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5309] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5307] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5306] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5067] <... clone resumed>, child_tidptr=0x555574305690) = 5309 [pid 5309] <... prctl resumed>) = 0 [pid 5309] setpgid(0, 0) = 0 [pid 5309] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5308] <... bpf resumed>) = 4 [pid 5307] <... futex resumed>) = 1 [pid 5306] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5304] <... futex resumed>) = 0 [pid 5304] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5309] <... openat resumed>) = 3 [pid 5304] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5311 attached ./strace-static-x86_64: Process 5310 attached [pid 5309] write(3, "1000", 4 [pid 5308] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5307] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5074] <... clone resumed>, child_tidptr=0x555574305690) = 5310 [pid 5311] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5310] set_robust_list(0x5555743056a0, 24 [pid 5309] <... write resumed>) = 4 [pid 5308] <... futex resumed>) = 1 [pid 5306] <... clone3 resumed> => {parent_tid=[5311]}, 88) = 5311 [pid 5305] <... futex resumed>) = 0 [pid 5311] <... rseq resumed>) = 0 [pid 5309] close(3 [pid 5305] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5311] set_robust_list(0x7fa95d45d9a0, 24 [pid 5309] <... close resumed>) = 0 [pid 5305] <... futex resumed>) = 0 [pid 5311] <... set_robust_list resumed>) = 0 [pid 5310] <... set_robust_list resumed>) = 0 [pid 5309] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5308] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5307] <... bpf resumed>) = 4 [pid 5306] rt_sigprocmask(SIG_SETMASK, [], [pid 5305] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5311] rt_sigprocmask(SIG_SETMASK, [], [pid 5310] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5309] <... futex resumed>) = 0 [pid 5306] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5311] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5309] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5306] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5311] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5310] <... prctl resumed>) = 0 [pid 5309] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5307] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5306] <... futex resumed>) = 0 [pid 5311] <... bpf resumed>) = 3 [pid 5310] setpgid(0, 0 [pid 5309] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5307] <... futex resumed>) = 1 [pid 5306] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5304] <... futex resumed>) = 0 [pid 5311] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5310] <... setpgid resumed>) = 0 [pid 5309] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5304] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5311] <... futex resumed>) = 1 [pid 5310] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5309] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5307] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5306] <... futex resumed>) = 0 [pid 5304] <... futex resumed>) = 0 [pid 5311] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5309] <... mmap resumed>) = 0x7fa95d43d000 [pid 5306] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5304] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5311] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5310] <... openat resumed>) = 3 [pid 5309] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5306] <... futex resumed>) = 0 [pid 5311] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5310] write(3, "1000", 4 [pid 5309] <... mprotect resumed>) = 0 [pid 5306] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5311] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5310] <... write resumed>) = 4 [pid 5309] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5310] close(3) = 0 [pid 5311] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5309] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5311] <... futex resumed>) = 1 [pid 5310] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5309] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5306] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5312 attached [pid 5311] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5310] <... futex resumed>) = 0 [pid 5306] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5312] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5311] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5310] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5312] <... rseq resumed>) = 0 [pid 5311] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5310] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5309] <... clone3 resumed> => {parent_tid=[5312]}, 88) = 5312 [pid 5308] <... bpf resumed>) = 5 [pid 5306] <... futex resumed>) = 0 [pid 5312] set_robust_list(0x7fa95d45d9a0, 24 [pid 5311] <... bpf resumed>) = 4 [pid 5310] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5309] rt_sigprocmask(SIG_SETMASK, [], [pid 5307] <... bpf resumed>) = 5 [pid 5312] <... set_robust_list resumed>) = 0 [pid 5306] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5312] rt_sigprocmask(SIG_SETMASK, [], [pid 5310] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5308] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5312] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5310] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5308] <... futex resumed>) = 1 [pid 5307] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5312] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5311] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5310] <... mmap resumed>) = 0x7fa95d43d000 [pid 5309] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5308] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5307] <... futex resumed>) = 1 [pid 5305] <... futex resumed>) = 0 [pid 5304] <... futex resumed>) = 0 [pid 5311] <... futex resumed>) = 1 [pid 5310] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5309] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5307] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5306] <... futex resumed>) = 0 [pid 5305] exit_group(0 [pid 5304] exit_group(0 [pid 5312] <... futex resumed>) = 0 [pid 5310] <... mprotect resumed>) = 0 [pid 5309] <... futex resumed>) = 1 [pid 5306] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5312] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5311] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5310] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5309] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5308] <... futex resumed>) = ? [pid 5307] <... futex resumed>) = ? [pid 5306] <... futex resumed>) = 0 [pid 5305] <... exit_group resumed>) = ? [pid 5304] <... exit_group resumed>) = ? [pid 5312] <... bpf resumed>) = 3 [pid 5311] <... bpf resumed>) = 5 [pid 5310] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5308] +++ exited with 0 +++ [pid 5307] +++ exited with 0 +++ [pid 5306] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5305] +++ exited with 0 +++ [pid 5312] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5311] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5310] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5306] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5312] <... futex resumed>) = 1 [pid 5311] <... futex resumed>) = 0 [pid 5312] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5305, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5313 attached [pid 5311] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5310] <... clone3 resumed> => {parent_tid=[5313]}, 88) = 5313 [pid 5309] <... futex resumed>) = 0 [pid 5306] exit_group(0 [pid 5304] +++ exited with 0 +++ [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 5313] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5311] <... futex resumed>) = ? [pid 5310] rt_sigprocmask(SIG_SETMASK, [], [pid 5309] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5306] <... exit_group resumed>) = ? [pid 5313] <... rseq resumed>) = 0 [pid 5312] <... futex resumed>) = 0 [pid 5311] +++ exited with 0 +++ [pid 5310] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5309] <... futex resumed>) = 1 [pid 5070] <... restart_syscall resumed>) = 0 [pid 5313] set_robust_list(0x7fa95d45d9a0, 24 [pid 5312] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5310] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5309] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5304, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5313] <... set_robust_list resumed>) = 0 [pid 5312] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5310] <... futex resumed>) = 0 [pid 5068] restart_syscall(<... resuming interrupted clone ...> [pid 5313] rt_sigprocmask(SIG_SETMASK, [], [pid 5312] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5310] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5306] +++ exited with 0 +++ [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] <... restart_syscall resumed>) = 0 [pid 5313] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5312] <... futex resumed>) = 1 [pid 5309] <... futex resumed>) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5306, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5309] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5309] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5313] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 5314 attached [pid 5312] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5070] <... clone resumed>, child_tidptr=0x555574305690) = 5314 [pid 5314] set_robust_list(0x5555743056a0, 24 [pid 5313] <... bpf resumed>) = 3 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5314] <... set_robust_list resumed>) = 0 [pid 5314] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5315 attached ./strace-static-x86_64: Process 5316 attached [pid 5314] <... prctl resumed>) = 0 [pid 5313] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5312] <... bpf resumed>) = 4 [pid 5314] setpgid(0, 0 [pid 5313] <... futex resumed>) = 1 [pid 5316] set_robust_list(0x5555743056a0, 24 [pid 5314] <... setpgid resumed>) = 0 [pid 5313] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5310] <... futex resumed>) = 0 [pid 5315] set_robust_list(0x5555743056a0, 24 [pid 5068] <... clone resumed>, child_tidptr=0x555574305690) = 5315 [pid 5316] <... set_robust_list resumed>) = 0 [pid 5315] <... set_robust_list resumed>) = 0 [pid 5314] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5312] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5310] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] <... clone resumed>, child_tidptr=0x555574305690) = 5316 [pid 5316] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5315] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5314] <... openat resumed>) = 3 [pid 5313] <... futex resumed>) = 0 [pid 5312] <... futex resumed>) = 1 [pid 5310] <... futex resumed>) = 1 [pid 5309] <... futex resumed>) = 0 [pid 5316] <... prctl resumed>) = 0 [pid 5315] <... prctl resumed>) = 0 [pid 5314] write(3, "1000", 4 [pid 5313] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5312] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5310] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5309] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5316] setpgid(0, 0 [pid 5315] setpgid(0, 0 [pid 5314] <... write resumed>) = 4 [pid 5313] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5312] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5309] <... futex resumed>) = 0 [pid 5316] <... setpgid resumed>) = 0 [pid 5315] <... setpgid resumed>) = 0 [pid 5314] close(3 [pid 5313] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5312] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5309] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5315] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5314] <... close resumed>) = 0 [pid 5313] <... futex resumed>) = 1 [pid 5310] <... futex resumed>) = 0 [pid 5316] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5313] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5310] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5315] <... openat resumed>) = 3 [pid 5314] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5313] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5310] <... futex resumed>) = 0 [pid 5316] <... openat resumed>) = 3 [pid 5315] write(3, "1000", 4 [pid 5314] <... futex resumed>) = 0 [pid 5313] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5310] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5316] write(3, "1000", 4 [pid 5315] <... write resumed>) = 4 [pid 5314] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5316] <... write resumed>) = 4 [pid 5315] close(3 [pid 5314] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5313] <... bpf resumed>) = 4 [pid 5316] close(3 [pid 5315] <... close resumed>) = 0 [pid 5314] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5313] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5316] <... close resumed>) = 0 [pid 5315] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5314] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5310] <... futex resumed>) = 0 [pid 5313] <... futex resumed>) = 1 [pid 5315] <... futex resumed>) = 0 [pid 5314] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5313] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5310] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5316] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5315] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5316] <... futex resumed>) = 0 [pid 5314] <... mmap resumed>) = 0x7fa95d43d000 [pid 5310] <... futex resumed>) = 0 [pid 5316] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5315] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5314] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5310] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5316] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5315] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5314] <... mprotect resumed>) = 0 [pid 5313] <... bpf resumed>) = 5 [pid 5312] <... bpf resumed>) = 5 [pid 5316] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5315] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5314] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5313] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5312] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5316] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5315] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5314] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5313] <... futex resumed>) = 1 [pid 5312] <... futex resumed>) = 1 [pid 5310] <... futex resumed>) = 0 [pid 5309] <... futex resumed>) = 0 [pid 5316] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5315] <... mmap resumed>) = 0x7fa95d43d000 [pid 5314] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5313] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5312] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5310] exit_group(0 [pid 5309] exit_group(0./strace-static-x86_64: Process 5317 attached [pid 5316] <... mmap resumed>) = 0x7fa95d43d000 [pid 5315] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5313] <... futex resumed>) = ? [pid 5312] <... futex resumed>) = ? [pid 5310] <... exit_group resumed>) = ? [pid 5309] <... exit_group resumed>) = ? [pid 5317] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5316] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5315] <... mprotect resumed>) = 0 [pid 5314] <... clone3 resumed> => {parent_tid=[5317]}, 88) = 5317 [pid 5313] +++ exited with 0 +++ [pid 5317] <... rseq resumed>) = 0 [pid 5316] <... mprotect resumed>) = 0 [pid 5317] set_robust_list(0x7fa95d45d9a0, 24) = 0 [pid 5317] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5317] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5316] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5315] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5314] rt_sigprocmask(SIG_SETMASK, [], [pid 5312] +++ exited with 0 +++ [pid 5310] +++ exited with 0 +++ [pid 5309] +++ exited with 0 +++ [pid 5316] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5315] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5314] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5316] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5315] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5314] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5310, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5319 attached ./strace-static-x86_64: Process 5318 attached [pid 5317] <... futex resumed>) = 0 [pid 5316] <... clone3 resumed> => {parent_tid=[5318]}, 88) = 5318 [pid 5314] <... futex resumed>) = 1 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5309, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5319] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5318] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5319] <... rseq resumed>) = 0 [pid 5318] <... rseq resumed>) = 0 [pid 5316] rt_sigprocmask(SIG_SETMASK, [], [pid 5315] <... clone3 resumed> => {parent_tid=[5319]}, 88) = 5319 [pid 5314] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5317] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5319] set_robust_list(0x7fa95d45d9a0, 24 [pid 5318] set_robust_list(0x7fa95d45d9a0, 24 [pid 5316] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5315] rt_sigprocmask(SIG_SETMASK, [], [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5319] <... set_robust_list resumed>) = 0 [pid 5318] <... set_robust_list resumed>) = 0 [pid 5316] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5315] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5318] rt_sigprocmask(SIG_SETMASK, [], [pid 5316] <... futex resumed>) = 0 [pid 5315] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5319] rt_sigprocmask(SIG_SETMASK, [], [pid 5318] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5316] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5315] <... futex resumed>) = 0 [pid 5319] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5318] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5317] <... bpf resumed>) = 3 [pid 5315] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5318] <... bpf resumed>) = 3 [pid 5318] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5316] <... futex resumed>) = 0 [pid 5318] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5316] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5318] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5316] <... futex resumed>) = 0 [pid 5318] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5316] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5319] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 5321 attached ./strace-static-x86_64: Process 5320 attached [pid 5318] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5317] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5320] set_robust_list(0x5555743056a0, 24 [pid 5318] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5320] <... set_robust_list resumed>) = 0 [pid 5319] <... bpf resumed>) = 3 [pid 5318] <... futex resumed>) = 1 [pid 5317] <... futex resumed>) = 1 [pid 5316] <... futex resumed>) = 0 [pid 5314] <... futex resumed>) = 0 [pid 5321] set_robust_list(0x5555743056a0, 24 [pid 5067] <... clone resumed>, child_tidptr=0x555574305690) = 5321 [pid 5321] <... set_robust_list resumed>) = 0 [pid 5320] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5319] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5318] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5317] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5316] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5314] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] <... clone resumed>, child_tidptr=0x555574305690) = 5320 [pid 5321] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5320] <... prctl resumed>) = 0 [pid 5319] <... futex resumed>) = 1 [pid 5318] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5317] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5316] <... futex resumed>) = 0 [pid 5315] <... futex resumed>) = 0 [pid 5314] <... futex resumed>) = 0 [pid 5321] <... prctl resumed>) = 0 [pid 5320] setpgid(0, 0 [pid 5318] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5316] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5315] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5314] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5321] setpgid(0, 0 [pid 5320] <... setpgid resumed>) = 0 [pid 5319] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5317] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5315] <... futex resumed>) = 0 [pid 5321] <... setpgid resumed>) = 0 [pid 5320] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5319] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5318] <... bpf resumed>) = 4 [pid 5317] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5315] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5321] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5320] <... openat resumed>) = 3 [pid 5319] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5318] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5317] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5315] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5321] <... openat resumed>) = 3 [pid 5320] write(3, "1000", 4 [pid 5319] <... futex resumed>) = 0 [pid 5318] <... futex resumed>) = 1 [pid 5317] <... futex resumed>) = 1 [pid 5316] <... futex resumed>) = 0 [pid 5315] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5314] <... futex resumed>) = 0 [pid 5321] write(3, "1000", 4 [pid 5320] <... write resumed>) = 4 [pid 5319] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5318] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5317] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5316] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5315] <... futex resumed>) = 0 [pid 5314] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5321] <... write resumed>) = 4 [pid 5320] close(3 [pid 5319] <... bpf resumed>) = 4 [pid 5318] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5317] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5316] <... futex resumed>) = 0 [pid 5315] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5314] <... futex resumed>) = 0 [pid 5321] close(3 [pid 5320] <... close resumed>) = 0 [pid 5319] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5318] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5317] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5316] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5314] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5321] <... close resumed>) = 0 [pid 5320] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5319] <... futex resumed>) = 1 [pid 5318] <... bpf resumed>) = 5 [pid 5317] <... bpf resumed>) = 4 [pid 5315] <... futex resumed>) = 0 [pid 5321] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5320] <... futex resumed>) = 0 [pid 5319] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5318] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5315] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5321] <... futex resumed>) = 0 [pid 5320] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5318] <... futex resumed>) = 1 [pid 5317] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5316] <... futex resumed>) = 0 [pid 5315] <... futex resumed>) = 0 [pid 5321] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5320] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5319] <... bpf resumed>) = 5 [pid 5318] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5317] <... futex resumed>) = 1 [pid 5316] exit_group(0 [pid 5315] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5314] <... futex resumed>) = 0 [pid 5321] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5320] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5319] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5318] <... futex resumed>) = ? [pid 5317] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5316] <... exit_group resumed>) = ? [pid 5315] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5314] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5321] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5320] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5319] <... futex resumed>) = 0 [pid 5318] +++ exited with 0 +++ [pid 5317] <... bpf resumed>) = 5 [pid 5321] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5319] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5321] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5317] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5321] <... mmap resumed>) = 0x7fa95d43d000 [pid 5317] <... futex resumed>) = 0 [pid 5321] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5317] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5321] <... mprotect resumed>) = 0 [pid 5320] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5316] +++ exited with 0 +++ [pid 5315] exit_group(0 [pid 5314] <... futex resumed>) = 0 [pid 5321] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5320] <... mmap resumed>) = 0x7fa95d43d000 [pid 5319] <... futex resumed>) = ? [pid 5315] <... exit_group resumed>) = ? [pid 5314] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5316, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5321] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5319] +++ exited with 0 +++ [pid 5314] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5072] restart_syscall(<... resuming interrupted clone ...> [pid 5321] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5072] <... restart_syscall resumed>) = 0 [pid 5320] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5314] exit_group(0./strace-static-x86_64: Process 5322 attached [pid 5320] <... mprotect resumed>) = 0 [pid 5314] <... exit_group resumed>) = ? [pid 5322] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5321] <... clone3 resumed> => {parent_tid=[5322]}, 88) = 5322 [pid 5317] <... futex resumed>) = ? [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5322] <... rseq resumed>) = 0 [pid 5321] rt_sigprocmask(SIG_SETMASK, [], [pid 5320] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5323 attached [pid 5322] set_robust_list(0x7fa95d45d9a0, 24 [pid 5321] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5320] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5323] set_robust_list(0x5555743056a0, 24 [pid 5322] <... set_robust_list resumed>) = 0 [pid 5320] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5323] <... set_robust_list resumed>) = 0 [pid 5322] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5324 attached [pid 5323] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5322] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5321] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5324] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5323] <... prctl resumed>) = 0 [pid 5321] <... futex resumed>) = 0 [pid 5321] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5072] <... clone resumed>, child_tidptr=0x555574305690) = 5323 [pid 5324] <... rseq resumed>) = 0 [pid 5323] setpgid(0, 0 [pid 5322] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5320] <... clone3 resumed> => {parent_tid=[5324]}, 88) = 5324 [pid 5324] set_robust_list(0x7fa95d45d9a0, 24 [pid 5323] <... setpgid resumed>) = 0 [pid 5322] <... bpf resumed>) = 3 [pid 5320] rt_sigprocmask(SIG_SETMASK, [], [pid 5324] <... set_robust_list resumed>) = 0 [pid 5323] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5322] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5320] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5324] rt_sigprocmask(SIG_SETMASK, [], [pid 5323] <... openat resumed>) = 3 [pid 5322] <... futex resumed>) = 1 [pid 5321] <... futex resumed>) = 0 [pid 5320] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5324] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5323] write(3, "1000", 4 [pid 5322] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5321] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5320] <... futex resumed>) = 0 [pid 5324] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5323] <... write resumed>) = 4 [pid 5322] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5321] <... futex resumed>) = 0 [pid 5320] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5324] <... bpf resumed>) = 3 [pid 5323] close(3 [pid 5322] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5324] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5323] <... close resumed>) = 0 [pid 5324] <... futex resumed>) = 1 [pid 5324] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5323] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5322] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5321] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5320] <... futex resumed>) = 0 [pid 5323] <... futex resumed>) = 0 [pid 5322] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5321] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5320] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5324] <... futex resumed>) = 0 [pid 5323] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5322] <... futex resumed>) = 0 [pid 5321] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5320] <... futex resumed>) = 1 [pid 5324] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5323] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5322] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5321] <... futex resumed>) = 0 [pid 5320] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5324] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5323] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5322] <... bpf resumed>) = 4 [pid 5321] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5324] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5323] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5322] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5321] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5315] +++ exited with 0 +++ [pid 5324] <... futex resumed>) = 1 [pid 5323] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5322] <... futex resumed>) = 0 [pid 5320] <... futex resumed>) = 0 [pid 5324] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5315, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5324] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5323] <... mmap resumed>) = 0x7fa95d43d000 [pid 5322] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5321] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5320] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] restart_syscall(<... resuming interrupted clone ...> [pid 5324] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5323] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5322] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5321] <... futex resumed>) = 0 [pid 5320] <... futex resumed>) = 0 [pid 5317] +++ exited with 0 +++ [pid 5314] +++ exited with 0 +++ [pid 5068] <... restart_syscall resumed>) = 0 [pid 5324] <... bpf resumed>) = 4 [pid 5321] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5323] <... mprotect resumed>) = 0 [pid 5322] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5323] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5320] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5324] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5323] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5324] <... futex resumed>) = 0 [pid 5320] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5323] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5314, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5325 attached [pid 5324] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5320] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5325] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5324] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5323] <... clone3 resumed> => {parent_tid=[5325]}, 88) = 5325 [pid 5320] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5327 attached [pid 5325] <... rseq resumed>) = 0 [pid 5324] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5323] rt_sigprocmask(SIG_SETMASK, [], [pid 5320] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000}./strace-static-x86_64: Process 5326 attached [pid 5327] set_robust_list(0x5555743056a0, 24 [pid 5325] set_robust_list(0x7fa95d45d9a0, 24 [pid 5323] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555574305690) = 5327 [pid 5068] <... clone resumed>, child_tidptr=0x555574305690) = 5326 [pid 5327] <... set_robust_list resumed>) = 0 [pid 5326] set_robust_list(0x5555743056a0, 24 [pid 5325] <... set_robust_list resumed>) = 0 [pid 5323] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5327] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5326] <... set_robust_list resumed>) = 0 [pid 5325] rt_sigprocmask(SIG_SETMASK, [], [pid 5323] <... futex resumed>) = 0 [pid 5327] <... prctl resumed>) = 0 [pid 5326] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5325] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5323] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5327] setpgid(0, 0) = 0 [pid 5326] <... prctl resumed>) = 0 [pid 5325] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5327] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5326] setpgid(0, 0 [pid 5327] <... openat resumed>) = 3 [pid 5326] <... setpgid resumed>) = 0 [pid 5325] <... bpf resumed>) = 3 [pid 5327] write(3, "1000", 4 [pid 5326] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5325] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5327] <... write resumed>) = 4 [pid 5326] <... openat resumed>) = 3 [pid 5325] <... futex resumed>) = 1 [pid 5323] <... futex resumed>) = 0 [pid 5327] close(3 [pid 5325] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5323] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5327] <... close resumed>) = 0 [pid 5325] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5323] <... futex resumed>) = 0 [pid 5327] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5325] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5323] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5327] <... futex resumed>) = 0 [pid 5327] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5326] write(3, "1000", 4 [pid 5325] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5327] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5326] <... write resumed>) = 4 [pid 5325] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5327] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5326] close(3 [pid 5325] <... futex resumed>) = 1 [pid 5323] <... futex resumed>) = 0 [pid 5327] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5326] <... close resumed>) = 0 [pid 5325] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5323] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5327] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5326] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5325] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5323] <... futex resumed>) = 0 [pid 5326] <... futex resumed>) = 0 [pid 5327] <... mmap resumed>) = 0x7fa95d43d000 [pid 5325] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5327] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5326] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5323] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5326] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5327] <... mprotect resumed>) = 0 [pid 5326] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5325] <... bpf resumed>) = 4 [pid 5324] <... bpf resumed>) = 5 [pid 5322] <... bpf resumed>) = 5 [pid 5327] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5326] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5325] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5324] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5322] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5327] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5326] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5325] <... futex resumed>) = 1 [pid 5324] <... futex resumed>) = 1 [pid 5323] <... futex resumed>) = 0 [pid 5322] <... futex resumed>) = 1 [pid 5321] <... futex resumed>) = 0 [pid 5320] <... futex resumed>) = 0 [pid 5327] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5326] <... mmap resumed>) = 0x7fa95d43d000 [pid 5325] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5324] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5323] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5322] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5321] exit_group(0 [pid 5320] exit_group(0./strace-static-x86_64: Process 5328 attached [pid 5326] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5325] <... bpf resumed>) = 5 [pid 5324] <... futex resumed>) = ? [pid 5323] <... futex resumed>) = 0 [pid 5322] <... futex resumed>) = ? [pid 5321] <... exit_group resumed>) = ? [pid 5320] <... exit_group resumed>) = ? [pid 5328] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5327] <... clone3 resumed> => {parent_tid=[5328]}, 88) = 5328 [pid 5326] <... mprotect resumed>) = 0 [pid 5324] +++ exited with 0 +++ [pid 5323] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5328] <... rseq resumed>) = 0 [pid 5326] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5320] +++ exited with 0 +++ [pid 5328] set_robust_list(0x7fa95d45d9a0, 24 [pid 5327] rt_sigprocmask(SIG_SETMASK, [], [pid 5326] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5325] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5320, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5326] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0}./strace-static-x86_64: Process 5329 attached [pid 5328] <... set_robust_list resumed>) = 0 [pid 5327] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5325] <... futex resumed>) = 0 [pid 5323] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5329] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5328] rt_sigprocmask(SIG_SETMASK, [], [pid 5327] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5325] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5329] <... rseq resumed>) = 0 [pid 5328] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5327] <... futex resumed>) = 0 [pid 5326] <... clone3 resumed> => {parent_tid=[5329]}, 88) = 5329 [pid 5323] exit_group(0 [pid 5329] set_robust_list(0x7fa95d45d9a0, 24 [pid 5328] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5327] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5326] rt_sigprocmask(SIG_SETMASK, [], [pid 5325] <... futex resumed>) = ? [pid 5323] <... exit_group resumed>) = ? [pid 5329] <... set_robust_list resumed>) = 0 [pid 5328] <... bpf resumed>) = 3 [pid 5326] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5325] +++ exited with 0 +++ [pid 5329] rt_sigprocmask(SIG_SETMASK, [], [pid 5326] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5328] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5329] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5326] <... futex resumed>) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5328] <... futex resumed>) = 1 [pid 5327] <... futex resumed>) = 0 [pid 5329] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5328] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5327] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5326] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5328] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5327] <... futex resumed>) = 0 [pid 5328] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5327] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5330 attached [pid 5329] <... bpf resumed>) = 3 [pid 5328] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5330] set_robust_list(0x5555743056a0, 24 [pid 5329] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5328] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5330] <... set_robust_list resumed>) = 0 [pid 5327] <... futex resumed>) = 0 [pid 5328] <... futex resumed>) = 1 [pid 5330] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5329] <... futex resumed>) = 1 [pid 5328] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5327] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5326] <... futex resumed>) = 0 [pid 5330] <... prctl resumed>) = 0 [pid 5329] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5327] <... futex resumed>) = 0 [pid 5326] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5330] setpgid(0, 0 [pid 5329] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5328] <... bpf resumed>) = 4 [pid 5327] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5326] <... futex resumed>) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x555574305690) = 5330 [pid 5330] <... setpgid resumed>) = 0 [pid 5329] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5328] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5327] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5326] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5330] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5329] <... futex resumed>) = 0 [pid 5328] <... futex resumed>) = 0 [pid 5327] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5326] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5330] <... openat resumed>) = 3 [pid 5329] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5328] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5327] <... futex resumed>) = 0 [pid 5326] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5330] write(3, "1000", 4 [pid 5329] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5327] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5326] <... futex resumed>) = 0 [pid 5330] <... write resumed>) = 4 [pid 5329] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5326] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5330] close(3 [pid 5329] <... bpf resumed>) = 4 [pid 5323] +++ exited with 0 +++ [pid 5322] +++ exited with 0 +++ [pid 5321] +++ exited with 0 +++ [pid 5330] <... close resumed>) = 0 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5321, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5330] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5323, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5330] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5072] restart_syscall(<... resuming interrupted clone ...> [pid 5330] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5329] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] <... restart_syscall resumed>) = 0 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5330] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5329] <... futex resumed>) = 1 [pid 5326] <... futex resumed>) = 0 [pid 5326] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5331 attached [pid 5330] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5329] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5326] <... futex resumed>) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5331] set_robust_list(0x5555743056a0, 24 [pid 5330] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5326] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000}./strace-static-x86_64: Process 5332 attached [pid 5331] <... set_robust_list resumed>) = 0 [pid 5330] <... mmap resumed>) = 0x7fa95d43d000 [pid 5067] <... clone resumed>, child_tidptr=0x555574305690) = 5331 [pid 5332] set_robust_list(0x5555743056a0, 24 [pid 5331] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5330] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5332] <... set_robust_list resumed>) = 0 [pid 5331] <... prctl resumed>) = 0 [pid 5330] <... mprotect resumed>) = 0 [pid 5332] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5331] setpgid(0, 0 [pid 5332] <... prctl resumed>) = 0 [pid 5331] <... setpgid resumed>) = 0 [pid 5330] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5332] setpgid(0, 0 [pid 5331] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5330] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5332] <... setpgid resumed>) = 0 [pid 5331] <... openat resumed>) = 3 [pid 5330] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5072] <... clone resumed>, child_tidptr=0x555574305690) = 5332 ./strace-static-x86_64: Process 5333 attached [pid 5331] write(3, "1000", 4 [pid 5333] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5332] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5330] <... clone3 resumed> => {parent_tid=[5333]}, 88) = 5333 [pid 5331] <... write resumed>) = 4 [pid 5333] <... rseq resumed>) = 0 [pid 5331] close(3 [pid 5330] rt_sigprocmask(SIG_SETMASK, [], [pid 5333] set_robust_list(0x7fa95d45d9a0, 24 [pid 5332] <... openat resumed>) = 3 [pid 5331] <... close resumed>) = 0 [pid 5330] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5333] <... set_robust_list resumed>) = 0 [pid 5332] write(3, "1000", 4 [pid 5331] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5330] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5333] rt_sigprocmask(SIG_SETMASK, [], [pid 5332] <... write resumed>) = 4 [pid 5331] <... futex resumed>) = 0 [pid 5330] <... futex resumed>) = 0 [pid 5333] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5332] close(3 [pid 5331] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5330] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5333] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5332] <... close resumed>) = 0 [pid 5331] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5331] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5333] <... bpf resumed>) = 3 [pid 5332] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5331] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5333] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5332] <... futex resumed>) = 0 [pid 5331] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5333] <... futex resumed>) = 1 [pid 5332] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5330] <... futex resumed>) = 0 [pid 5333] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5332] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5331] <... mmap resumed>) = 0x7fa95d43d000 [pid 5330] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5333] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5332] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5331] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5330] <... futex resumed>) = 0 [pid 5333] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5332] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5331] <... mprotect resumed>) = 0 [pid 5330] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5333] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5332] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5333] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5331] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5332] <... mmap resumed>) = 0x7fa95d43d000 [pid 5333] <... futex resumed>) = 1 [pid 5331] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5330] <... futex resumed>) = 0 [pid 5332] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5333] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5331] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5330] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5332] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 5334 attached [pid 5333] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5330] <... futex resumed>) = 0 [pid 5334] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5333] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5332] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5331] <... clone3 resumed> => {parent_tid=[5334]}, 88) = 5334 [pid 5330] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5334] <... rseq resumed>) = 0 [pid 5334] set_robust_list(0x7fa95d45d9a0, 24 [pid 5333] <... bpf resumed>) = 4 [pid 5332] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5331] rt_sigprocmask(SIG_SETMASK, [], [pid 5334] <... set_robust_list resumed>) = 0 [pid 5333] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5332] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5331] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5329] <... bpf resumed>) = 5 [pid 5328] <... bpf resumed>) = 5 ./strace-static-x86_64: Process 5335 attached [pid 5334] rt_sigprocmask(SIG_SETMASK, [], [pid 5333] <... futex resumed>) = 1 [pid 5331] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5330] <... futex resumed>) = 0 [pid 5329] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5328] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5335] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5334] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5333] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5332] <... clone3 resumed> => {parent_tid=[5335]}, 88) = 5335 [pid 5331] <... futex resumed>) = 0 [pid 5330] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5329] <... futex resumed>) = 1 [pid 5328] <... futex resumed>) = 1 [pid 5327] <... futex resumed>) = 0 [pid 5326] <... futex resumed>) = 0 [pid 5335] <... rseq resumed>) = 0 [pid 5334] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5333] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5332] rt_sigprocmask(SIG_SETMASK, [], [pid 5331] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5330] <... futex resumed>) = 0 [pid 5329] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5328] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5327] exit_group(0 [pid 5326] exit_group(0 [pid 5335] set_robust_list(0x7fa95d45d9a0, 24 [pid 5334] <... bpf resumed>) = 3 [pid 5333] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5332] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5330] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5329] <... futex resumed>) = ? [pid 5328] <... futex resumed>) = ? [pid 5327] <... exit_group resumed>) = ? [pid 5326] <... exit_group resumed>) = ? [pid 5335] <... set_robust_list resumed>) = 0 [pid 5334] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5333] <... bpf resumed>) = 5 [pid 5332] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5329] +++ exited with 0 +++ [pid 5328] +++ exited with 0 +++ [pid 5326] +++ exited with 0 +++ [pid 5335] rt_sigprocmask(SIG_SETMASK, [], [pid 5334] <... futex resumed>) = 1 [pid 5333] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5332] <... futex resumed>) = 0 [pid 5331] <... futex resumed>) = 0 [pid 5335] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5334] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5333] <... futex resumed>) = 1 [pid 5332] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5331] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5330] <... futex resumed>) = 0 [pid 5335] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5334] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5333] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5335] <... bpf resumed>) = 3 [pid 5334] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5331] <... futex resumed>) = 0 [pid 5330] exit_group(0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5326, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5335] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5334] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5333] <... futex resumed>) = ? [pid 5331] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5330] <... exit_group resumed>) = ? [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5335] <... futex resumed>) = 1 [pid 5334] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5333] +++ exited with 0 +++ [pid 5332] <... futex resumed>) = 0 [pid 5334] <... futex resumed>) = 1 [pid 5334] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5335] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5331] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5336 attached [pid 5332] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5330] +++ exited with 0 +++ [pid 5327] +++ exited with 0 +++ [pid 5336] set_robust_list(0x5555743056a0, 24 [pid 5335] <... futex resumed>) = 0 [pid 5332] <... futex resumed>) = 1 [pid 5331] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5330, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5327, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5068] <... clone resumed>, child_tidptr=0x555574305690) = 5336 [pid 5336] <... set_robust_list resumed>) = 0 [pid 5335] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5334] <... futex resumed>) = 0 [pid 5332] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5331] <... futex resumed>) = 1 [pid 5336] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5335] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5334] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5331] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5336] <... prctl resumed>) = 0 [pid 5335] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5334] <... bpf resumed>) = 4 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5337 attached [pid 5336] setpgid(0, 0 [pid 5335] <... futex resumed>) = 1 [pid 5332] <... futex resumed>) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5337] set_robust_list(0x5555743056a0, 24) = 0 [pid 5336] <... setpgid resumed>) = 0 [pid 5335] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5332] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5338 attached [pid 5337] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5336] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5335] <... bpf resumed>) = 4 [pid 5334] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5332] <... futex resumed>) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555574305690) = 5337 [pid 5338] set_robust_list(0x5555743056a0, 24 [pid 5337] <... prctl resumed>) = 0 [pid 5336] <... openat resumed>) = 3 [pid 5332] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5338] <... set_robust_list resumed>) = 0 [pid 5337] setpgid(0, 0 [pid 5334] <... futex resumed>) = 1 [pid 5338] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5336] write(3, "1000", 4) = 4 [pid 5335] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5331] <... futex resumed>) = 0 [pid 5338] <... prctl resumed>) = 0 [pid 5337] <... setpgid resumed>) = 0 [pid 5336] close(3 [pid 5335] <... futex resumed>) = 1 [pid 5334] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5332] <... futex resumed>) = 0 [pid 5331] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] <... clone resumed>, child_tidptr=0x555574305690) = 5338 [pid 5337] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5336] <... close resumed>) = 0 [pid 5335] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5334] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5332] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5338] setpgid(0, 0 [pid 5331] <... futex resumed>) = 0 [pid 5338] <... setpgid resumed>) = 0 [pid 5337] <... openat resumed>) = 3 [pid 5336] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5335] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5334] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5332] <... futex resumed>) = 0 [pid 5331] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5338] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5336] <... futex resumed>) = 0 [pid 5335] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5332] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5338] <... openat resumed>) = 3 [pid 5337] write(3, "1000", 4 [pid 5336] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5338] write(3, "1000", 4 [pid 5337] <... write resumed>) = 4 [pid 5336] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5338] <... write resumed>) = 4 [pid 5337] close(3 [pid 5336] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5338] close(3 [pid 5337] <... close resumed>) = 0 [pid 5336] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5338] <... close resumed>) = 0 [pid 5337] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5336] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5338] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5336] <... mmap resumed>) = 0x7fa95d43d000 [pid 5338] <... futex resumed>) = 0 [pid 5337] <... futex resumed>) = 0 [pid 5336] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5338] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5337] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5336] <... mprotect resumed>) = 0 [pid 5338] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5337] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5338] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5337] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5336] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5338] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5337] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5338] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5337] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5336] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5336] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5338] <... mmap resumed>) = 0x7fa95d43d000 [pid 5337] <... mmap resumed>) = 0x7fa95d43d000 [pid 5334] <... bpf resumed>) = 5 [pid 5338] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5334] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5331] <... futex resumed>) = 0 [pid 5337] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5334] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5339 attached [pid 5338] <... mprotect resumed>) = 0 [pid 5336] <... clone3 resumed> => {parent_tid=[5339]}, 88) = 5339 [pid 5335] <... bpf resumed>) = 5 [pid 5331] exit_group(0 [pid 5339] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5337] <... mprotect resumed>) = 0 [pid 5339] <... rseq resumed>) = 0 [pid 5336] rt_sigprocmask(SIG_SETMASK, [], [pid 5335] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5339] set_robust_list(0x7fa95d45d9a0, 24 [pid 5338] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5336] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5335] <... futex resumed>) = 1 [pid 5332] <... futex resumed>) = 0 [pid 5331] <... exit_group resumed>) = ? [pid 5339] <... set_robust_list resumed>) = 0 [pid 5338] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5337] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5336] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5335] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5334] <... futex resumed>) = ? [pid 5332] exit_group(0 [pid 5339] rt_sigprocmask(SIG_SETMASK, [], [pid 5338] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5337] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5336] <... futex resumed>) = 0 [pid 5335] <... futex resumed>) = ? [pid 5332] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5340 attached [pid 5339] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5337] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5336] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5335] +++ exited with 0 +++ ./strace-static-x86_64: Process 5341 attached [pid 5340] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5339] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5338] <... clone3 resumed> => {parent_tid=[5340]}, 88) = 5340 [pid 5340] <... rseq resumed>) = 0 [pid 5338] rt_sigprocmask(SIG_SETMASK, [], [pid 5337] <... clone3 resumed> => {parent_tid=[5341]}, 88) = 5341 [pid 5340] set_robust_list(0x7fa95d45d9a0, 24 [pid 5338] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5337] rt_sigprocmask(SIG_SETMASK, [], [pid 5340] <... set_robust_list resumed>) = 0 [pid 5338] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5337] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5340] rt_sigprocmask(SIG_SETMASK, [], [pid 5338] <... futex resumed>) = 0 [pid 5340] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5337] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5338] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5341] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5340] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5339] <... bpf resumed>) = 3 [pid 5337] <... futex resumed>) = 0 [pid 5341] <... rseq resumed>) = 0 [pid 5340] <... bpf resumed>) = 3 [pid 5339] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5337] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5341] set_robust_list(0x7fa95d45d9a0, 24 [pid 5340] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5339] <... futex resumed>) = 1 [pid 5336] <... futex resumed>) = 0 [pid 5341] <... set_robust_list resumed>) = 0 [pid 5339] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5336] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5341] rt_sigprocmask(SIG_SETMASK, [], [pid 5340] <... futex resumed>) = 1 [pid 5339] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5338] <... futex resumed>) = 0 [pid 5336] <... futex resumed>) = 0 [pid 5341] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5340] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5339] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5338] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5336] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5341] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5340] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5339] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5338] <... futex resumed>) = 0 [pid 5341] <... bpf resumed>) = 3 [pid 5340] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5339] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5338] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5341] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5340] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5339] <... futex resumed>) = 1 [pid 5336] <... futex resumed>) = 0 [pid 5341] <... futex resumed>) = 1 [pid 5340] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5339] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5337] <... futex resumed>) = 0 [pid 5336] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5341] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5340] <... futex resumed>) = 1 [pid 5339] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5338] <... futex resumed>) = 0 [pid 5337] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5336] <... futex resumed>) = 0 [pid 5341] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5340] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5339] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5338] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5337] <... futex resumed>) = 0 [pid 5336] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5341] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5340] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5339] <... bpf resumed>) = 4 [pid 5338] <... futex resumed>) = 0 [pid 5337] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5341] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5340] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5339] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5338] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5341] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5339] <... futex resumed>) = 1 [pid 5336] <... futex resumed>) = 0 [pid 5341] <... futex resumed>) = 1 [pid 5340] <... bpf resumed>) = 4 [pid 5339] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5337] <... futex resumed>) = 0 [pid 5336] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5341] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5339] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5336] <... futex resumed>) = 0 [pid 5336] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5339] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5334] +++ exited with 0 +++ [pid 5337] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5331] +++ exited with 0 +++ [pid 5340] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5337] <... futex resumed>) = 1 [pid 5340] <... futex resumed>) = 1 [pid 5338] <... futex resumed>) = 0 [pid 5337] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5340] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5331, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5340] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5338] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] restart_syscall(<... resuming interrupted clone ...> [pid 5340] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5338] <... futex resumed>) = 0 [pid 5067] <... restart_syscall resumed>) = 0 [pid 5338] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5341] <... futex resumed>) = 0 [pid 5339] <... bpf resumed>) = 5 [pid 5341] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5339] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5341] <... bpf resumed>) = 4 [pid 5339] <... futex resumed>) = 1 [pid 5336] <... futex resumed>) = 0 [pid 5341] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5339] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5336] exit_group(0 [pid 5341] <... futex resumed>) = 1 [pid 5339] <... futex resumed>) = ? [pid 5336] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5342 attached [pid 5341] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5339] +++ exited with 0 +++ [pid 5337] <... futex resumed>) = 0 [pid 5342] set_robust_list(0x5555743056a0, 24) = 0 [pid 5337] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5342] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5342] setpgid(0, 0) = 0 [pid 5341] <... futex resumed>) = 0 [pid 5337] <... futex resumed>) = 1 [pid 5067] <... clone resumed>, child_tidptr=0x555574305690) = 5342 [pid 5342] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5341] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5342] <... openat resumed>) = 3 [pid 5337] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5332] +++ exited with 0 +++ [pid 5342] write(3, "1000", 4 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5332, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5342] <... write resumed>) = 4 [pid 5342] close(3 [pid 5340] <... bpf resumed>) = 5 [pid 5342] <... close resumed>) = 0 [pid 5342] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5342] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, NULL, 8) = 0 [pid 5340] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5342] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5340] <... futex resumed>) = 1 [pid 5338] <... futex resumed>) = 0 [pid 5338] exit_group(0 [pid 5342] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5338] <... exit_group resumed>) = ? [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5342] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5343 attached [pid 5343] set_robust_list(0x5555743056a0, 24 [pid 5342] <... mmap resumed>) = 0x7fa95d43d000 [pid 5072] <... clone resumed>, child_tidptr=0x555574305690) = 5343 [pid 5343] <... set_robust_list resumed>) = 0 [pid 5342] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5341] <... bpf resumed>) = 5 [pid 5336] +++ exited with 0 +++ [pid 5341] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5337] <... futex resumed>) = 0 [pid 5343] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5341] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5337] exit_group(0 [pid 5342] <... mprotect resumed>) = 0 [pid 5341] <... futex resumed>) = ? [pid 5337] <... exit_group resumed>) = ? [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5336, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5343] <... prctl resumed>) = 0 [pid 5342] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5341] +++ exited with 0 +++ [pid 5343] setpgid(0, 0 [pid 5342] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5343] <... setpgid resumed>) = 0 [pid 5342] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5343] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5344 attached ) = 3 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5344] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5343] write(3, "1000", 4 [pid 5344] <... rseq resumed>) = 0 [pid 5343] <... write resumed>) = 4 [pid 5344] set_robust_list(0x7fa95d45d9a0, 24 [pid 5343] close(3 [pid 5344] <... set_robust_list resumed>) = 0 [pid 5343] <... close resumed>) = 0 [pid 5344] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5343] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5344] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5343] <... futex resumed>) = 0 [pid 5343] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, NULL, 8) = 0 [pid 5343] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 ./strace-static-x86_64: Process 5345 attached [pid 5342] <... clone3 resumed> => {parent_tid=[5344]}, 88) = 5344 [pid 5340] +++ exited with 0 +++ [pid 5338] +++ exited with 0 +++ [pid 5343] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5342] rt_sigprocmask(SIG_SETMASK, [], [pid 5337] +++ exited with 0 +++ [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5337, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5068] <... clone resumed>, child_tidptr=0x555574305690) = 5345 [pid 5343] <... mmap resumed>) = 0x7fa95d43d000 [pid 5342] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5345] set_robust_list(0x5555743056a0, 24) = 0 [pid 5343] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5342] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5338, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5345] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5342] <... futex resumed>) = 1 [pid 5345] <... prctl resumed>) = 0 [pid 5344] <... futex resumed>) = 0 [pid 5343] <... mprotect resumed>) = 0 [pid 5342] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5345] setpgid(0, 0) = 0 [pid 5344] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5343] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5346 attached [pid 5345] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5346] set_robust_list(0x5555743056a0, 24 [pid 5345] <... openat resumed>) = 3 [pid 5344] <... bpf resumed>) = 3 [pid 5343] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 5347 attached [pid 5346] <... set_robust_list resumed>) = 0 [pid 5345] write(3, "1000", 4 [pid 5344] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5343] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5070] <... clone resumed>, child_tidptr=0x555574305690) = 5346 [pid 5347] set_robust_list(0x5555743056a0, 24 [pid 5346] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5345] <... write resumed>) = 4 [pid 5344] <... futex resumed>) = 1 [pid 5342] <... futex resumed>) = 0 [pid 5343] <... clone3 resumed> => {parent_tid=[5348]}, 88) = 5348 [pid 5342] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5343] rt_sigprocmask(SIG_SETMASK, [], [pid 5342] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5348 attached [pid 5347] <... set_robust_list resumed>) = 0 [pid 5346] <... prctl resumed>) = 0 [pid 5345] close(3 [pid 5344] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5343] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5342] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5074] <... clone resumed>, child_tidptr=0x555574305690) = 5347 [pid 5348] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5347] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5346] setpgid(0, 0 [pid 5345] <... close resumed>) = 0 [pid 5344] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5343] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5348] <... rseq resumed>) = 0 [pid 5343] <... futex resumed>) = 0 [pid 5348] set_robust_list(0x7fa95d45d9a0, 24 [pid 5345] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5343] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5348] <... set_robust_list resumed>) = 0 [pid 5345] <... futex resumed>) = 0 [pid 5346] <... setpgid resumed>) = 0 [pid 5348] rt_sigprocmask(SIG_SETMASK, [], [pid 5347] <... prctl resumed>) = 0 [pid 5345] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5344] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5348] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5345] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5344] <... futex resumed>) = 1 [pid 5342] <... futex resumed>) = 0 [pid 5347] setpgid(0, 0 [pid 5346] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5342] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5345] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5344] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5348] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5347] <... setpgid resumed>) = 0 [pid 5346] <... openat resumed>) = 3 [pid 5345] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5342] <... futex resumed>) = 0 [pid 5342] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5344] <... bpf resumed>) = 4 [pid 5348] <... bpf resumed>) = 3 [pid 5347] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5345] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5348] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5346] write(3, "1000", 4 [pid 5345] <... mmap resumed>) = 0x7fa95d43d000 [pid 5343] <... futex resumed>) = 0 [pid 5348] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5347] <... openat resumed>) = 3 [pid 5346] <... write resumed>) = 4 [pid 5343] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5345] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5344] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5348] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5347] write(3, "1000", 4 [pid 5346] close(3 [pid 5344] <... futex resumed>) = 1 [pid 5343] <... futex resumed>) = 0 [pid 5342] <... futex resumed>) = 0 [pid 5348] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5347] <... write resumed>) = 4 [pid 5346] <... close resumed>) = 0 [pid 5344] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5343] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5342] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5347] close(3 [pid 5346] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5345] <... mprotect resumed>) = 0 [pid 5344] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5342] <... futex resumed>) = 0 [pid 5348] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5347] <... close resumed>) = 0 [pid 5346] <... futex resumed>) = 0 [pid 5344] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5342] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5348] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5347] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5346] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5348] <... futex resumed>) = 1 [pid 5347] <... futex resumed>) = 0 [pid 5346] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5343] <... futex resumed>) = 0 [pid 5348] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5346] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5345] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5347] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5346] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5344] <... bpf resumed>) = 5 [pid 5343] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5345] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5348] <... futex resumed>) = 0 [pid 5347] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5346] <... mmap resumed>) = 0x7fa95d43d000 [pid 5344] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5343] <... futex resumed>) = 1 [pid 5348] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5347] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5346] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5345] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5344] <... futex resumed>) = 1 [pid 5343] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5342] <... futex resumed>) = 0 [pid 5347] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5348] <... bpf resumed>) = 4 [pid 5347] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5346] <... mprotect resumed>) = 0 [pid 5344] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5342] exit_group(0 [pid 5347] <... mmap resumed>) = 0x7fa95d43d000 [pid 5342] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5349 attached [pid 5348] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5347] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5346] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5345] <... clone3 resumed> => {parent_tid=[5349]}, 88) = 5349 [pid 5344] <... futex resumed>) = ? [pid 5349] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5347] <... mprotect resumed>) = 0 [pid 5346] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5349] <... rseq resumed>) = 0 [pid 5348] <... futex resumed>) = 1 [pid 5347] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5345] rt_sigprocmask(SIG_SETMASK, [], [pid 5344] +++ exited with 0 +++ [pid 5343] <... futex resumed>) = 0 [pid 5342] +++ exited with 0 +++ [pid 5349] set_robust_list(0x7fa95d45d9a0, 24 [pid 5348] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5347] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5346] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5345] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5343] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5342, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5349] <... set_robust_list resumed>) = 0 [pid 5348] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5347] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5345] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5343] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5350 attached [pid 5349] rt_sigprocmask(SIG_SETMASK, [], [pid 5348] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5349] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5350] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5349] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5350] <... rseq resumed>) = 0 [pid 5350] set_robust_list(0x7fa95d45d9a0, 24) = 0 [pid 5350] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5350] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5352 attached [pid 5349] <... bpf resumed>) = 3 [pid 5348] <... bpf resumed>) = 5 [pid 5346] <... clone3 resumed> => {parent_tid=[5350]}, 88) = 5350 [pid 5345] <... futex resumed>) = 0 [pid 5343] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5346] rt_sigprocmask(SIG_SETMASK, [], [pid 5345] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5351 attached [pid 5348] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5351] set_robust_list(0x5555743056a0, 24 [pid 5348] <... futex resumed>) = 0 [pid 5351] <... set_robust_list resumed>) = 0 [pid 5348] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5352] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5351] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5349] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5347] <... clone3 resumed> => {parent_tid=[5352]}, 88) = 5352 [pid 5346] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5345] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5343] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5067] <... clone resumed>, child_tidptr=0x555574305690) = 5351 [pid 5352] <... rseq resumed>) = 0 [pid 5351] <... prctl resumed>) = 0 [pid 5349] <... futex resumed>) = 0 [pid 5347] rt_sigprocmask(SIG_SETMASK, [], [pid 5346] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5345] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5343] exit_group(0 [pid 5352] set_robust_list(0x7fa95d45d9a0, 24 [pid 5351] setpgid(0, 0 [pid 5350] <... futex resumed>) = 0 [pid 5349] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5347] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5346] <... futex resumed>) = 1 [pid 5345] <... futex resumed>) = 0 [pid 5343] <... exit_group resumed>) = ? [pid 5352] <... set_robust_list resumed>) = 0 [pid 5351] <... setpgid resumed>) = 0 [pid 5350] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5348] <... futex resumed>) = ? [pid 5347] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5345] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5346] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5352] rt_sigprocmask(SIG_SETMASK, [], [pid 5351] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5350] <... bpf resumed>) = 3 [pid 5349] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5347] <... futex resumed>) = 0 [pid 5352] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5350] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5349] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5347] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5352] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5351] <... openat resumed>) = 3 [pid 5350] <... futex resumed>) = 1 [pid 5349] <... futex resumed>) = 1 [pid 5346] <... futex resumed>) = 0 [pid 5345] <... futex resumed>) = 0 [pid 5352] <... bpf resumed>) = 3 [pid 5351] write(3, "1000", 4 [pid 5350] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5349] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5348] +++ exited with 0 +++ [pid 5346] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5345] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5343] +++ exited with 0 +++ [pid 5352] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5351] <... write resumed>) = 4 [pid 5350] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5349] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5346] <... futex resumed>) = 0 [pid 5345] <... futex resumed>) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5343, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5352] <... futex resumed>) = 1 [pid 5351] close(3 [pid 5350] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5349] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5347] <... futex resumed>) = 0 [pid 5346] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5345] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5072] restart_syscall(<... resuming interrupted clone ...> [pid 5352] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5351] <... close resumed>) = 0 [pid 5350] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5347] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5352] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5351] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5350] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5347] <... futex resumed>) = 0 [pid 5072] <... restart_syscall resumed>) = 0 [pid 5352] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5351] <... futex resumed>) = 0 [pid 5350] <... futex resumed>) = 1 [pid 5349] <... bpf resumed>) = 4 [pid 5346] <... futex resumed>) = 0 [pid 5352] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5351] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5350] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5347] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5346] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5351] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5350] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5346] <... futex resumed>) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5352] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5351] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5350] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5349] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5346] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5353 attached [pid 5352] <... futex resumed>) = 1 [pid 5351] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5349] <... futex resumed>) = 1 [pid 5347] <... futex resumed>) = 0 [pid 5345] <... futex resumed>) = 0 [pid 5352] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5349] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5345] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5349] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5345] <... futex resumed>) = 0 [pid 5349] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5345] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5353] set_robust_list(0x5555743056a0, 24 [pid 5351] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5350] <... bpf resumed>) = 4 [pid 5347] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] <... clone resumed>, child_tidptr=0x555574305690) = 5353 [pid 5350] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5353] <... set_robust_list resumed>) = 0 [pid 5350] <... futex resumed>) = 1 [pid 5346] <... futex resumed>) = 0 [pid 5352] <... futex resumed>) = 0 [pid 5351] <... mmap resumed>) = 0x7fa95d43d000 [pid 5350] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5347] <... futex resumed>) = 1 [pid 5346] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5346] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5353] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5352] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5351] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5350] <... bpf resumed>) = 5 [pid 5349] <... bpf resumed>) = 5 [pid 5347] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5353] <... prctl resumed>) = 0 [pid 5353] setpgid(0, 0 [pid 5352] <... bpf resumed>) = 4 [pid 5351] <... mprotect resumed>) = 0 [pid 5350] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5349] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5353] <... setpgid resumed>) = 0 [pid 5350] <... futex resumed>) = 1 [pid 5346] <... futex resumed>) = 0 [pid 5346] exit_group(0 [pid 5351] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5346] <... exit_group resumed>) = ? [pid 5349] <... futex resumed>) = 1 [pid 5345] <... futex resumed>) = 0 [pid 5345] exit_group(0 [pid 5352] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5353] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5351] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5345] <... exit_group resumed>) = ? [pid 5353] <... openat resumed>) = 3 [pid 5352] <... futex resumed>) = 1 [pid 5351] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5350] +++ exited with 0 +++ [pid 5347] <... futex resumed>) = 0 [pid 5346] +++ exited with 0 +++ [pid 5347] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5352] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5349] +++ exited with 0 +++ [pid 5347] <... futex resumed>) = 0 [pid 5345] +++ exited with 0 +++ ./strace-static-x86_64: Process 5354 attached [pid 5353] write(3, "1000", 4 [pid 5351] <... clone3 resumed> => {parent_tid=[5354]}, 88) = 5354 [pid 5347] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5346, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5354] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5353] <... write resumed>) = 4 [pid 5351] rt_sigprocmask(SIG_SETMASK, [], [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5345, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5354] <... rseq resumed>) = 0 [pid 5353] close(3 [pid 5351] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5070] <... restart_syscall resumed>) = 0 [pid 5068] restart_syscall(<... resuming interrupted clone ...> [pid 5354] set_robust_list(0x7fa95d45d9a0, 24 [pid 5353] <... close resumed>) = 0 [pid 5351] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... restart_syscall resumed>) = 0 [pid 5354] <... set_robust_list resumed>) = 0 [pid 5353] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5351] <... futex resumed>) = 0 [pid 5354] rt_sigprocmask(SIG_SETMASK, [], [pid 5353] <... futex resumed>) = 0 [pid 5351] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5353] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, NULL, 8) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5354] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5353] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5354] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5353] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5355 attached [pid 5353] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5356 attached ) = 0x7fa95d43d000 [pid 5354] <... bpf resumed>) = 3 [pid 5356] set_robust_list(0x5555743056a0, 24 [pid 5355] set_robust_list(0x5555743056a0, 24 [pid 5354] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5353] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5353] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5356] <... set_robust_list resumed>) = 0 [pid 5355] <... set_robust_list resumed>) = 0 [pid 5354] <... futex resumed>) = 1 [pid 5353] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5352] <... bpf resumed>) = 5 [pid 5351] <... futex resumed>) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555574305690) = 5355 [pid 5068] <... clone resumed>, child_tidptr=0x555574305690) = 5356 [pid 5356] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5355] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5354] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5353] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5352] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5351] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5354] <... futex resumed>) = 0 [pid 5351] <... futex resumed>) = 1 [pid 5354] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5351] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5357 attached [pid 5356] <... prctl resumed>) = 0 [pid 5355] <... prctl resumed>) = 0 [pid 5354] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5352] <... futex resumed>) = 1 [pid 5347] <... futex resumed>) = 0 [pid 5357] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5356] setpgid(0, 0 [pid 5355] setpgid(0, 0 [pid 5354] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5353] <... clone3 resumed> => {parent_tid=[5357]}, 88) = 5357 [pid 5352] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5347] exit_group(0 [pid 5356] <... setpgid resumed>) = 0 [pid 5355] <... setpgid resumed>) = 0 [pid 5357] <... rseq resumed>) = 0 [pid 5356] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5355] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5354] <... futex resumed>) = 1 [pid 5353] rt_sigprocmask(SIG_SETMASK, [], [pid 5352] <... futex resumed>) = ? [pid 5351] <... futex resumed>) = 0 [pid 5347] <... exit_group resumed>) = ? [pid 5357] set_robust_list(0x7fa95d45d9a0, 24 [pid 5352] +++ exited with 0 +++ [pid 5356] <... openat resumed>) = 3 [pid 5357] <... set_robust_list resumed>) = 0 [pid 5356] write(3, "1000", 4 [pid 5355] <... openat resumed>) = 3 [pid 5354] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5353] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5351] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5357] rt_sigprocmask(SIG_SETMASK, [], [pid 5356] <... write resumed>) = 4 [pid 5355] write(3, "1000", 4 [pid 5353] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5351] <... futex resumed>) = 0 [pid 5357] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5356] close(3 [pid 5355] <... write resumed>) = 4 [pid 5353] <... futex resumed>) = 0 [pid 5354] <... bpf resumed>) = 4 [pid 5351] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5347] +++ exited with 0 +++ [pid 5357] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5356] <... close resumed>) = 0 [pid 5355] close(3 [pid 5354] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5353] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5351] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5347, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5357] <... bpf resumed>) = 3 [pid 5356] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5355] <... close resumed>) = 0 [pid 5354] <... futex resumed>) = 0 [pid 5351] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5357] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5356] <... futex resumed>) = 0 [pid 5355] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5354] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5351] <... futex resumed>) = 0 [pid 5356] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5355] <... futex resumed>) = 0 [pid 5353] <... futex resumed>) = 0 [pid 5357] <... futex resumed>) = 1 [pid 5356] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5355] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5353] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5351] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5357] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5356] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5355] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5353] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5358 attached [pid 5357] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5356] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5355] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5353] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5358] set_robust_list(0x5555743056a0, 24 [pid 5356] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5355] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5357] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5356] <... mmap resumed>) = 0x7fa95d43d000 [pid 5355] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5353] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5074] <... clone resumed>, child_tidptr=0x555574305690) = 5358 [pid 5358] <... set_robust_list resumed>) = 0 [pid 5357] <... futex resumed>) = 0 [pid 5356] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5355] <... mmap resumed>) = 0x7fa95d43d000 [pid 5354] <... bpf resumed>) = 5 [pid 5353] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5357] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5355] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5358] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5356] <... mprotect resumed>) = 0 [pid 5355] <... mprotect resumed>) = 0 [pid 5358] <... prctl resumed>) = 0 [pid 5357] <... bpf resumed>) = 4 [pid 5356] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5355] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5354] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5353] <... futex resumed>) = 0 [pid 5353] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5358] setpgid(0, 0 [pid 5356] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5355] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5354] <... futex resumed>) = 1 [pid 5351] <... futex resumed>) = 0 [pid 5358] <... setpgid resumed>) = 0 [pid 5357] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5356] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5355] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5354] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5351] exit_group(0 [pid 5357] <... futex resumed>) = 1 [pid 5354] <... futex resumed>) = ? [pid 5353] <... futex resumed>) = 0 [pid 5351] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5360 attached ./strace-static-x86_64: Process 5359 attached [pid 5358] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5357] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5354] +++ exited with 0 +++ [pid 5353] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5351] +++ exited with 0 +++ [pid 5360] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5359] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5357] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5353] <... futex resumed>) = 0 [pid 5359] <... rseq resumed>) = 0 [pid 5357] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5353] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5360] <... rseq resumed>) = 0 [pid 5359] set_robust_list(0x7fa95d45d9a0, 24 [pid 5358] <... openat resumed>) = 3 [pid 5355] <... clone3 resumed> => {parent_tid=[5360]}, 88) = 5360 [pid 5356] <... clone3 resumed> => {parent_tid=[5359]}, 88) = 5359 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5351, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5360] set_robust_list(0x7fa95d45d9a0, 24 [pid 5359] <... set_robust_list resumed>) = 0 [pid 5358] write(3, "1000", 4 [pid 5356] rt_sigprocmask(SIG_SETMASK, [], [pid 5355] rt_sigprocmask(SIG_SETMASK, [], [pid 5360] <... set_robust_list resumed>) = 0 [pid 5356] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5355] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5360] rt_sigprocmask(SIG_SETMASK, [], [pid 5356] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5355] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5358] <... write resumed>) = 4 [pid 5360] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5356] <... futex resumed>) = 0 [pid 5355] <... futex resumed>) = 0 [pid 5358] close(3 [pid 5356] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5358] <... close resumed>) = 0 [pid 5360] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5359] rt_sigprocmask(SIG_SETMASK, [], [pid 5358] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5355] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5360] <... bpf resumed>) = 3 [pid 5359] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5358] <... futex resumed>) = 0 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5360] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5359] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5358] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, ./strace-static-x86_64: Process 5361 attached [pid 5360] <... futex resumed>) = 1 [pid 5359] <... bpf resumed>) = 3 [pid 5358] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5355] <... futex resumed>) = 0 [pid 5359] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5361] set_robust_list(0x5555743056a0, 24 [pid 5360] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5359] <... futex resumed>) = 1 [pid 5358] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5356] <... futex resumed>) = 0 [pid 5355] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5359] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5356] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5361] <... set_robust_list resumed>) = 0 [pid 5360] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5359] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5358] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5356] <... futex resumed>) = 0 [pid 5355] <... futex resumed>) = 0 [pid 5067] <... clone resumed>, child_tidptr=0x555574305690) = 5361 [pid 5359] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5356] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5361] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5360] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5359] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5358] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5355] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5361] <... prctl resumed>) = 0 [pid 5360] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5359] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5361] setpgid(0, 0 [pid 5358] <... mmap resumed>) = 0x7fa95d43d000 [pid 5356] <... futex resumed>) = 0 [pid 5360] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5359] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5361] <... setpgid resumed>) = 0 [pid 5356] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5360] <... futex resumed>) = 1 [pid 5359] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5358] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5356] <... futex resumed>) = 0 [pid 5355] <... futex resumed>) = 0 [pid 5360] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5359] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5356] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5361] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5358] <... mprotect resumed>) = 0 [pid 5355] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5359] <... bpf resumed>) = 4 [pid 5361] <... openat resumed>) = 3 [pid 5360] <... futex resumed>) = 0 [pid 5359] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5355] <... futex resumed>) = 1 [pid 5360] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5355] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5361] write(3, "1000", 4 [pid 5359] <... futex resumed>) = 1 [pid 5358] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5356] <... futex resumed>) = 0 [pid 5360] <... bpf resumed>) = 4 [pid 5359] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5358] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5356] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5360] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5359] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5358] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5356] <... futex resumed>) = 0 [pid 5360] <... futex resumed>) = 1 [pid 5359] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5355] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5362 attached [pid 5361] <... write resumed>) = 4 [pid 5360] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5356] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5355] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5362] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5361] close(3 [pid 5360] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5358] <... clone3 resumed> => {parent_tid=[5362]}, 88) = 5362 [pid 5355] <... futex resumed>) = 0 [pid 5362] <... rseq resumed>) = 0 [pid 5361] <... close resumed>) = 0 [pid 5360] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5358] rt_sigprocmask(SIG_SETMASK, [], [pid 5355] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5362] set_robust_list(0x7fa95d45d9a0, 24 [pid 5361] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5358] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5362] <... set_robust_list resumed>) = 0 [pid 5361] <... futex resumed>) = 0 [pid 5358] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5362] rt_sigprocmask(SIG_SETMASK, [], [pid 5361] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5358] <... futex resumed>) = 0 [pid 5362] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5361] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5362] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5361] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5358] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5362] <... bpf resumed>) = 3 [pid 5361] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5361] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5362] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5361] <... mmap resumed>) = 0x7fa95d43d000 [pid 5362] <... futex resumed>) = 0 [pid 5361] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5362] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5361] <... mprotect resumed>) = 0 [pid 5358] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5358] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5362] <... futex resumed>) = 0 [pid 5361] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5358] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5362] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144) = -1 EFAULT (Bad address) [pid 5361] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5362] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5361] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0}./strace-static-x86_64: Process 5363 attached [pid 5362] <... futex resumed>) = 1 [pid 5359] <... bpf resumed>) = 5 [pid 5358] <... futex resumed>) = 0 [pid 5360] <... bpf resumed>) = 5 [pid 5357] <... bpf resumed>) = 5 [pid 5363] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5362] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5361] <... clone3 resumed> => {parent_tid=[5363]}, 88) = 5363 [pid 5358] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5360] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5359] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5360] <... futex resumed>) = 1 [pid 5358] <... futex resumed>) = 0 [pid 5355] <... futex resumed>) = 0 [pid 5356] <... futex resumed>) = 0 [pid 5363] <... rseq resumed>) = 0 [pid 5362] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5361] rt_sigprocmask(SIG_SETMASK, [], [pid 5360] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5359] <... futex resumed>) = 1 [pid 5357] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5356] exit_group(0 [pid 5355] exit_group(0 [pid 5358] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5363] set_robust_list(0x7fa95d45d9a0, 24 [pid 5362] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5361] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5357] <... futex resumed>) = 1 [pid 5356] <... exit_group resumed>) = ? [pid 5353] <... futex resumed>) = 0 [pid 5363] <... set_robust_list resumed>) = 0 [pid 5362] <... bpf resumed>) = 4 [pid 5361] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5360] <... futex resumed>) = ? [pid 5357] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5355] <... exit_group resumed>) = ? [pid 5353] exit_group(0 [pid 5363] rt_sigprocmask(SIG_SETMASK, [], [pid 5360] +++ exited with 0 +++ [pid 5357] <... futex resumed>) = ? [pid 5353] <... exit_group resumed>) = ? [pid 5363] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5362] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5361] <... futex resumed>) = 0 [pid 5359] +++ exited with 0 +++ [pid 5357] +++ exited with 0 +++ [pid 5356] +++ exited with 0 +++ [pid 5363] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5361] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5363] <... bpf resumed>) = 3 [pid 5362] <... futex resumed>) = 1 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5356, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5358] <... futex resumed>) = 0 [pid 5358] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5363] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5362] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5363] <... futex resumed>) = 1 [pid 5361] <... futex resumed>) = 0 [pid 5363] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5361] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5363] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5361] <... futex resumed>) = 0 [pid 5363] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5361] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5363] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5358] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5363] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5361] <... futex resumed>) = 0 [pid 5363] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5361] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5364 attached [pid 5363] <... bpf resumed>) = 4 [pid 5361] <... futex resumed>) = 0 [pid 5364] set_robust_list(0x5555743056a0, 24 [pid 5361] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5363] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5364] <... set_robust_list resumed>) = 0 [pid 5362] <... bpf resumed>) = 5 [pid 5353] +++ exited with 0 +++ [pid 5068] <... clone resumed>, child_tidptr=0x555574305690) = 5364 [pid 5364] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5363] <... futex resumed>) = 1 [pid 5362] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5361] <... futex resumed>) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5353, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5361] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5364] <... prctl resumed>) = 0 [pid 5363] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5362] <... futex resumed>) = 1 [pid 5361] <... futex resumed>) = 0 [pid 5358] <... futex resumed>) = 0 [pid 5364] setpgid(0, 0 [pid 5362] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5361] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5358] exit_group(0 [pid 5364] <... setpgid resumed>) = 0 [pid 5362] <... futex resumed>) = ? [pid 5358] <... exit_group resumed>) = ? [pid 5362] +++ exited with 0 +++ [pid 5364] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5364] write(3, "1000", 4 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5364] <... write resumed>) = 4 ./strace-static-x86_64: Process 5365 attached [pid 5364] close(3 [pid 5365] set_robust_list(0x5555743056a0, 24 [pid 5364] <... close resumed>) = 0 [pid 5365] <... set_robust_list resumed>) = 0 [pid 5364] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5365] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5364] <... futex resumed>) = 0 [pid 5365] <... prctl resumed>) = 0 [pid 5364] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5072] <... clone resumed>, child_tidptr=0x555574305690) = 5365 [pid 5365] setpgid(0, 0 [pid 5364] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5365] <... setpgid resumed>) = 0 [pid 5364] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5365] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5364] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5365] <... openat resumed>) = 3 [pid 5364] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5363] <... bpf resumed>) = 5 [pid 5355] +++ exited with 0 +++ [pid 5365] write(3, "1000", 4 [pid 5364] <... mmap resumed>) = 0x7fa95d43d000 [pid 5364] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5363] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5365] <... write resumed>) = 4 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5355, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5365] close(3 [pid 5364] <... mprotect resumed>) = 0 [pid 5363] <... futex resumed>) = 1 [pid 5361] <... futex resumed>) = 0 [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 5365] <... close resumed>) = 0 [pid 5364] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5363] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5361] exit_group(0 [pid 5070] <... restart_syscall resumed>) = 0 [pid 5363] <... futex resumed>) = ? [pid 5361] <... exit_group resumed>) = ? [pid 5365] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5364] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5363] +++ exited with 0 +++ [pid 5365] <... futex resumed>) = 0 [pid 5364] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0}./strace-static-x86_64: Process 5366 attached [pid 5365] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5366] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5365] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5364] <... clone3 resumed> => {parent_tid=[5366]}, 88) = 5366 [pid 5366] <... rseq resumed>) = 0 [pid 5365] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5366] set_robust_list(0x7fa95d45d9a0, 24 [pid 5364] rt_sigprocmask(SIG_SETMASK, [], [pid 5365] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5366] <... set_robust_list resumed>) = 0 [pid 5366] rt_sigprocmask(SIG_SETMASK, [], [pid 5364] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5365] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5364] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5367 attached [pid 5366] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5365] <... mmap resumed>) = 0x7fa95d43d000 [pid 5364] <... futex resumed>) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555574305690) = 5367 [pid 5367] set_robust_list(0x5555743056a0, 24 [pid 5366] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5364] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5365] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5367] <... set_robust_list resumed>) = 0 [pid 5366] <... bpf resumed>) = 3 [pid 5365] <... mprotect resumed>) = 0 [pid 5367] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5366] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5367] <... prctl resumed>) = 0 [pid 5366] <... futex resumed>) = 1 [pid 5365] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5364] <... futex resumed>) = 0 [pid 5367] setpgid(0, 0 [pid 5366] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5365] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5364] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5361] +++ exited with 0 +++ [pid 5358] +++ exited with 0 +++ [pid 5366] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5365] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5364] <... futex resumed>) = 0 [pid 5367] <... setpgid resumed>) = 0 [pid 5366] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5358, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5364] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5368 attached [pid 5367] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5366] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5361, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5368] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5367] <... openat resumed>) = 3 [pid 5366] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5365] <... clone3 resumed> => {parent_tid=[5368]}, 88) = 5368 [pid 5368] <... rseq resumed>) = 0 [pid 5367] write(3, "1000", 4 [pid 5366] <... futex resumed>) = 1 [pid 5365] rt_sigprocmask(SIG_SETMASK, [], [pid 5364] <... futex resumed>) = 0 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5368] set_robust_list(0x7fa95d45d9a0, 24 [pid 5367] <... write resumed>) = 4 [pid 5366] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5365] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5364] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5368] <... set_robust_list resumed>) = 0 [pid 5368] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5369 attached [pid 5367] close(3 [pid 5366] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5365] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5364] <... futex resumed>) = 0 [pid 5367] <... close resumed>) = 0 [pid 5366] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5365] <... futex resumed>) = 0 [pid 5367] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5364] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] <... clone resumed>, child_tidptr=0x555574305690) = 5369 [pid 5367] <... futex resumed>) = 0 [pid 5365] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5367] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, NULL, 8) = 0 [pid 5367] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5369] set_robust_list(0x5555743056a0, 24 [pid 5368] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5367] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5366] <... bpf resumed>) = 4 [pid 5369] <... set_robust_list resumed>) = 0 [pid 5368] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5367] <... mmap resumed>) = 0x7fa95d43d000 ./strace-static-x86_64: Process 5370 attached [pid 5369] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5368] <... bpf resumed>) = 3 [pid 5366] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5367] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5370] set_robust_list(0x5555743056a0, 24 [pid 5369] <... prctl resumed>) = 0 [pid 5368] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5366] <... futex resumed>) = 1 [pid 5364] <... futex resumed>) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x555574305690) = 5370 [pid 5367] <... mprotect resumed>) = 0 [pid 5370] <... set_robust_list resumed>) = 0 [pid 5369] setpgid(0, 0 [pid 5368] <... futex resumed>) = 1 [pid 5364] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5370] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5369] <... setpgid resumed>) = 0 [pid 5368] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5367] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5366] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5365] <... futex resumed>) = 0 [pid 5364] <... futex resumed>) = 0 [pid 5370] <... prctl resumed>) = 0 [pid 5369] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5367] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5365] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5364] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5370] setpgid(0, 0 [pid 5369] <... openat resumed>) = 3 [pid 5368] <... futex resumed>) = 0 [pid 5367] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5366] <... bpf resumed>) = 5 [pid 5365] <... futex resumed>) = 1 ./strace-static-x86_64: Process 5371 attached [pid 5370] <... setpgid resumed>) = 0 [pid 5369] write(3, "1000", 4 [pid 5368] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5366] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5365] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5371] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5370] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5369] <... write resumed>) = 4 [pid 5368] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5367] <... clone3 resumed> => {parent_tid=[5371]}, 88) = 5371 [pid 5366] <... futex resumed>) = 1 [pid 5364] <... futex resumed>) = 0 [pid 5371] <... rseq resumed>) = 0 [pid 5370] <... openat resumed>) = 3 [pid 5369] close(3 [pid 5367] rt_sigprocmask(SIG_SETMASK, [], [pid 5366] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5364] exit_group(0 [pid 5371] set_robust_list(0x7fa95d45d9a0, 24 [pid 5370] write(3, "1000", 4 [pid 5369] <... close resumed>) = 0 [pid 5368] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5367] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5366] <... futex resumed>) = ? [pid 5364] <... exit_group resumed>) = ? [pid 5371] <... set_robust_list resumed>) = 0 [pid 5370] <... write resumed>) = 4 [pid 5369] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5368] <... futex resumed>) = 1 [pid 5367] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5366] +++ exited with 0 +++ [pid 5365] <... futex resumed>) = 0 [pid 5369] <... futex resumed>) = 0 [pid 5368] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5365] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5369] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5368] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5365] <... futex resumed>) = 0 [pid 5369] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5368] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5365] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5371] rt_sigprocmask(SIG_SETMASK, [], [pid 5370] close(3 [pid 5369] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5367] <... futex resumed>) = 0 [pid 5364] +++ exited with 0 +++ [pid 5368] <... bpf resumed>) = 4 [pid 5371] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5370] <... close resumed>) = 0 [pid 5369] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5367] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5370] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5370] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5371] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5370] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5371] <... bpf resumed>) = 3 [pid 5370] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5369] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5368] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5364, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5371] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5370] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5369] <... mmap resumed>) = 0x7fa95d43d000 [pid 5368] <... futex resumed>) = 1 [pid 5365] <... futex resumed>) = 0 [pid 5068] restart_syscall(<... resuming interrupted clone ...> [pid 5371] <... futex resumed>) = 1 [pid 5370] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5369] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5368] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5367] <... futex resumed>) = 0 [pid 5365] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... restart_syscall resumed>) = 0 [pid 5371] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5370] <... mmap resumed>) = 0x7fa95d43d000 [pid 5369] <... mprotect resumed>) = 0 [pid 5368] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5367] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5365] <... futex resumed>) = 0 [pid 5371] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5370] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5369] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5368] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5367] <... futex resumed>) = 0 [pid 5365] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5371] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5370] <... mprotect resumed>) = 0 [pid 5369] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5367] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5372 attached [pid 5371] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5370] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5369] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0}./strace-static-x86_64: Process 5373 attached [pid 5371] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5370] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5372] set_robust_list(0x5555743056a0, 24 [pid 5373] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5372] <... set_robust_list resumed>) = 0 [pid 5371] <... futex resumed>) = 1 [pid 5370] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5367] <... futex resumed>) = 0 [pid 5373] <... rseq resumed>) = 0 [pid 5372] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5371] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5374 attached [pid 5373] set_robust_list(0x7fa95d45d9a0, 24 [pid 5372] <... prctl resumed>) = 0 [pid 5371] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5369] <... clone3 resumed> => {parent_tid=[5373]}, 88) = 5373 [pid 5367] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... clone resumed>, child_tidptr=0x555574305690) = 5372 [pid 5374] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5373] <... set_robust_list resumed>) = 0 [pid 5372] setpgid(0, 0 [pid 5371] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5370] <... clone3 resumed> => {parent_tid=[5374]}, 88) = 5374 [pid 5369] rt_sigprocmask(SIG_SETMASK, [], [pid 5368] <... bpf resumed>) = 5 [pid 5367] <... futex resumed>) = 0 [pid 5374] <... rseq resumed>) = 0 [pid 5373] rt_sigprocmask(SIG_SETMASK, [], [pid 5372] <... setpgid resumed>) = 0 [pid 5370] rt_sigprocmask(SIG_SETMASK, [], [pid 5374] set_robust_list(0x7fa95d45d9a0, 24 [pid 5373] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5371] <... bpf resumed>) = 4 [pid 5370] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5369] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5368] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5367] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5374] <... set_robust_list resumed>) = 0 [pid 5373] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5372] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5371] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5370] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5369] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5368] <... futex resumed>) = 1 [pid 5367] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5365] <... futex resumed>) = 0 [pid 5374] rt_sigprocmask(SIG_SETMASK, [], [pid 5373] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5372] <... openat resumed>) = 3 [pid 5371] <... futex resumed>) = 0 [pid 5370] <... futex resumed>) = 0 [pid 5369] <... futex resumed>) = 0 [pid 5368] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5367] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5365] exit_group(0 [pid 5374] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5373] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5372] write(3, "1000", 4 [pid 5371] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5370] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5369] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5367] <... futex resumed>) = 0 [pid 5374] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5373] <... bpf resumed>) = 3 [pid 5372] <... write resumed>) = 4 [pid 5371] <... bpf resumed>) = 5 [pid 5368] <... futex resumed>) = ? [pid 5367] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5365] <... exit_group resumed>) = ? [pid 5374] <... bpf resumed>) = 3 [pid 5373] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5372] close(3 [pid 5371] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5368] +++ exited with 0 +++ [pid 5367] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5374] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5373] <... futex resumed>) = 1 [pid 5372] <... close resumed>) = 0 [pid 5371] <... futex resumed>) = 0 [pid 5369] <... futex resumed>) = 0 [pid 5367] exit_group(0 [pid 5373] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5372] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5367] <... exit_group resumed>) = ? [pid 5371] +++ exited with 0 +++ [pid 5374] <... futex resumed>) = 1 [pid 5372] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5370] <... futex resumed>) = 0 [pid 5369] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5374] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5373] <... futex resumed>) = 0 [pid 5372] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5370] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5369] <... futex resumed>) = 1 [pid 5374] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5373] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5372] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5370] <... futex resumed>) = 0 [pid 5369] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5374] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5373] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5372] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5370] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5374] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5373] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5372] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5374] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5373] <... futex resumed>) = 1 [pid 5372] <... mmap resumed>) = 0x7fa95d43d000 [pid 5369] <... futex resumed>) = 0 [pid 5374] <... futex resumed>) = 1 [pid 5373] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5372] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5370] <... futex resumed>) = 0 [pid 5369] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5374] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5373] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5372] <... mprotect resumed>) = 0 [pid 5370] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5369] <... futex resumed>) = 0 [pid 5374] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5373] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5370] <... futex resumed>) = 0 [pid 5369] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5372] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5374] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5370] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5374] <... bpf resumed>) = 4 [pid 5373] <... bpf resumed>) = 4 [pid 5372] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5373] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5372] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5374] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5373] <... futex resumed>) = 1 [pid 5369] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5375 attached [pid 5374] <... futex resumed>) = 1 [pid 5373] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5370] <... futex resumed>) = 0 [pid 5369] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5365] +++ exited with 0 +++ [pid 5367] +++ exited with 0 +++ [pid 5375] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5374] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5372] <... clone3 resumed> => {parent_tid=[5375]}, 88) = 5375 [pid 5370] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5369] <... futex resumed>) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5365, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5367, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5375] <... rseq resumed>) = 0 [pid 5374] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5372] rt_sigprocmask(SIG_SETMASK, [], [pid 5370] <... futex resumed>) = 0 [pid 5369] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 5375] set_robust_list(0x7fa95d45d9a0, 24 [pid 5374] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5372] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5370] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5375] <... set_robust_list resumed>) = 0 [pid 5372] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... restart_syscall resumed>) = 0 [pid 5375] rt_sigprocmask(SIG_SETMASK, [], [pid 5372] <... futex resumed>) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5372] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5375] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5376 attached [pid 5376] set_robust_list(0x5555743056a0, 24 [pid 5375] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5072] <... clone resumed>, child_tidptr=0x555574305690) = 5376 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5377 attached [pid 5376] <... set_robust_list resumed>) = 0 [pid 5375] <... bpf resumed>) = 3 [pid 5377] set_robust_list(0x5555743056a0, 24) = 0 [pid 5376] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5375] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5377] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5376] <... prctl resumed>) = 0 [pid 5377] <... prctl resumed>) = 0 [pid 5377] setpgid(0, 0 [pid 5376] setpgid(0, 0 [pid 5375] <... futex resumed>) = 1 [pid 5372] <... futex resumed>) = 0 [pid 5377] <... setpgid resumed>) = 0 [pid 5376] <... setpgid resumed>) = 0 [pid 5375] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5372] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5377] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5375] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5070] <... clone resumed>, child_tidptr=0x555574305690) = 5377 [pid 5376] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5377] <... openat resumed>) = 3 [pid 5375] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5372] <... futex resumed>) = 0 [pid 5377] write(3, "1000", 4 [pid 5376] <... openat resumed>) = 3 [pid 5375] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5374] <... bpf resumed>) = 5 [pid 5373] <... bpf resumed>) = 5 [pid 5372] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5377] <... write resumed>) = 4 [pid 5376] write(3, "1000", 4 [pid 5375] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5374] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5373] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5377] close(3 [pid 5376] <... write resumed>) = 4 [pid 5375] <... futex resumed>) = 1 [pid 5374] <... futex resumed>) = 1 [pid 5373] <... futex resumed>) = 1 [pid 5372] <... futex resumed>) = 0 [pid 5370] <... futex resumed>) = 0 [pid 5369] <... futex resumed>) = 0 [pid 5377] <... close resumed>) = 0 [pid 5376] close(3 [pid 5375] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5374] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5373] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5372] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5370] exit_group(0 [pid 5369] exit_group(0 [pid 5377] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5376] <... close resumed>) = 0 [pid 5370] <... exit_group resumed>) = ? [pid 5374] <... futex resumed>) = ? [pid 5377] <... futex resumed>) = 0 [pid 5376] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5375] <... bpf resumed>) = 4 [pid 5372] <... futex resumed>) = 0 [pid 5369] <... exit_group resumed>) = ? [pid 5377] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5376] <... futex resumed>) = 0 [pid 5374] +++ exited with 0 +++ [pid 5373] <... futex resumed>) = ? [pid 5370] +++ exited with 0 +++ [pid 5377] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5376] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, NULL, 8) = 0 [pid 5377] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5376] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5377] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5376] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5377] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5376] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5375] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5372] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5377] <... mmap resumed>) = 0x7fa95d43d000 [pid 5376] <... mmap resumed>) = 0x7fa95d43d000 [pid 5375] <... futex resumed>) = 0 [pid 5373] +++ exited with 0 +++ [pid 5372] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5369] +++ exited with 0 +++ [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5370, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5377] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5376] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5375] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5372] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5377] <... mprotect resumed>) = 0 [pid 5376] <... mprotect resumed>) = 0 [pid 5372] <... futex resumed>) = 0 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5369, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5378 attached [pid 5377] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5376] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5372] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5067] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5378] set_robust_list(0x5555743056a0, 24 [pid 5377] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5376] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5378] <... set_robust_list resumed>) = 0 [pid 5377] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5376] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0}./strace-static-x86_64: Process 5379 attached [pid 5074] <... clone resumed>, child_tidptr=0x555574305690) = 5378 [pid 5379] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5380 attached ./strace-static-x86_64: Process 5381 attached [pid 5379] <... rseq resumed>) = 0 [pid 5378] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5377] <... clone3 resumed> => {parent_tid=[5379]}, 88) = 5379 [pid 5380] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5379] set_robust_list(0x7fa95d45d9a0, 24 [pid 5378] <... prctl resumed>) = 0 [pid 5377] rt_sigprocmask(SIG_SETMASK, [], [pid 5376] <... clone3 resumed> => {parent_tid=[5380]}, 88) = 5380 [pid 5379] <... set_robust_list resumed>) = 0 [pid 5381] set_robust_list(0x5555743056a0, 24 [pid 5379] rt_sigprocmask(SIG_SETMASK, [], [pid 5378] setpgid(0, 0 [pid 5381] <... set_robust_list resumed>) = 0 [pid 5380] <... rseq resumed>) = 0 [pid 5379] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5377] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5376] rt_sigprocmask(SIG_SETMASK, [], [pid 5381] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5380] set_robust_list(0x7fa95d45d9a0, 24 [pid 5379] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5378] <... setpgid resumed>) = 0 [pid 5377] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... clone resumed>, child_tidptr=0x555574305690) = 5381 [pid 5381] <... prctl resumed>) = 0 [pid 5380] <... set_robust_list resumed>) = 0 [pid 5379] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5377] <... futex resumed>) = 0 [pid 5376] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5381] setpgid(0, 0 [pid 5380] rt_sigprocmask(SIG_SETMASK, [], [pid 5379] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5378] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5377] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5376] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5381] <... setpgid resumed>) = 0 [pid 5380] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5379] <... bpf resumed>) = 3 [pid 5376] <... futex resumed>) = 0 [pid 5380] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5379] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5377] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5376] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5381] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5380] <... bpf resumed>) = 3 [pid 5379] <... futex resumed>) = 0 [pid 5378] <... openat resumed>) = 3 [pid 5377] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5381] <... openat resumed>) = 3 [pid 5379] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5377] <... futex resumed>) = 0 [pid 5380] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5381] write(3, "1000", 4 [pid 5380] <... futex resumed>) = 1 [pid 5379] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5378] write(3, "1000", 4 [pid 5377] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5376] <... futex resumed>) = 0 [pid 5375] <... bpf resumed>) = 5 [pid 5381] <... write resumed>) = 4 [pid 5380] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5379] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5378] <... write resumed>) = 4 [pid 5377] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5376] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5381] close(3 [pid 5380] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5378] close(3 [pid 5377] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5376] <... futex resumed>) = 0 [pid 5381] <... close resumed>) = 0 [pid 5380] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5378] <... close resumed>) = 0 [pid 5377] <... futex resumed>) = 0 [pid 5376] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5381] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5378] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5377] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5379] <... futex resumed>) = 0 [pid 5380] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5375] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5381] <... futex resumed>) = 0 [pid 5378] <... futex resumed>) = 0 [pid 5379] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5375] <... futex resumed>) = 1 [pid 5372] <... futex resumed>) = 0 [pid 5381] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5380] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5379] <... bpf resumed>) = 4 [pid 5378] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5375] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5372] exit_group(0 [pid 5381] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5380] <... futex resumed>) = 1 [pid 5379] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5378] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5376] <... futex resumed>) = 0 [pid 5375] <... futex resumed>) = ? [pid 5372] <... exit_group resumed>) = ? [pid 5381] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5380] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5379] <... futex resumed>) = 1 [pid 5378] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5377] <... futex resumed>) = 0 [pid 5376] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5375] +++ exited with 0 +++ [pid 5381] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5380] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5379] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5378] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5377] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5376] <... futex resumed>) = 0 [pid 5372] +++ exited with 0 +++ [pid 5381] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5380] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5378] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5377] <... futex resumed>) = 0 [pid 5376] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5381] <... mmap resumed>) = 0x7fa95d43d000 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5372, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5382 attached [pid 5381] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5380] <... bpf resumed>) = 4 [pid 5378] <... mmap resumed>) = 0x7fa95d43d000 [pid 5377] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5381] <... mprotect resumed>) = 0 [pid 5382] set_robust_list(0x5555743056a0, 24 [pid 5378] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5380] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5382] <... set_robust_list resumed>) = 0 [pid 5381] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5378] <... mprotect resumed>) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x555574305690) = 5382 [pid 5382] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5381] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5380] <... futex resumed>) = 1 [pid 5379] <... bpf resumed>) = 5 [pid 5378] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5376] <... futex resumed>) = 0 [pid 5382] <... prctl resumed>) = 0 [pid 5381] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5380] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5379] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5378] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5376] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5383 attached [pid 5382] setpgid(0, 0 [pid 5380] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5379] <... futex resumed>) = 1 [pid 5378] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5377] <... futex resumed>) = 0 [pid 5376] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5384 attached [pid 5383] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5382] <... setpgid resumed>) = 0 [pid 5381] <... clone3 resumed> => {parent_tid=[5383]}, 88) = 5383 [pid 5380] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5379] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5377] exit_group(0 [pid 5376] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5384] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5383] <... rseq resumed>) = 0 [pid 5382] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5381] rt_sigprocmask(SIG_SETMASK, [], [pid 5380] <... bpf resumed>) = 5 [pid 5379] <... futex resumed>) = ? [pid 5378] <... clone3 resumed> => {parent_tid=[5384]}, 88) = 5384 [pid 5377] <... exit_group resumed>) = ? [pid 5384] <... rseq resumed>) = 0 [pid 5383] set_robust_list(0x7fa95d45d9a0, 24 [pid 5382] <... openat resumed>) = 3 [pid 5381] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5380] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5378] rt_sigprocmask(SIG_SETMASK, [], [pid 5384] set_robust_list(0x7fa95d45d9a0, 24 [pid 5383] <... set_robust_list resumed>) = 0 [pid 5382] write(3, "1000", 4 [pid 5381] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5380] <... futex resumed>) = 1 [pid 5378] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5376] <... futex resumed>) = 0 [pid 5384] <... set_robust_list resumed>) = 0 [pid 5383] rt_sigprocmask(SIG_SETMASK, [], [pid 5382] <... write resumed>) = 4 [pid 5381] <... futex resumed>) = 0 [pid 5380] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5378] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5376] exit_group(0 [pid 5384] rt_sigprocmask(SIG_SETMASK, [], [pid 5383] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5382] close(3 [pid 5381] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5378] <... futex resumed>) = 0 [pid 5380] <... futex resumed>) = ? [pid 5376] <... exit_group resumed>) = ? [pid 5384] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5383] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5382] <... close resumed>) = 0 [pid 5384] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5383] <... bpf resumed>) = 3 [pid 5380] +++ exited with 0 +++ [pid 5379] +++ exited with 0 +++ [pid 5382] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5378] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5377] +++ exited with 0 +++ [pid 5376] +++ exited with 0 +++ [pid 5384] <... bpf resumed>) = 3 [pid 5383] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5382] <... futex resumed>) = 0 [pid 5384] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5383] <... futex resumed>) = 1 [pid 5382] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5381] <... futex resumed>) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5376, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5377, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5384] <... futex resumed>) = 1 [pid 5383] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5382] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5381] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5378] <... futex resumed>) = 0 [pid 5072] restart_syscall(<... resuming interrupted clone ...> [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5384] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5383] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5382] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5381] <... futex resumed>) = 0 [pid 5378] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 5385 attached [pid 5384] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5383] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5382] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5381] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5378] <... futex resumed>) = 0 [pid 5385] set_robust_list(0x5555743056a0, 24 [pid 5384] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5383] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5382] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5378] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] <... clone resumed>, child_tidptr=0x555574305690) = 5385 [pid 5385] <... set_robust_list resumed>) = 0 [pid 5384] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5383] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5382] <... mmap resumed>) = 0x7fa95d43d000 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5385] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5384] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5383] <... futex resumed>) = 1 [pid 5382] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5381] <... futex resumed>) = 0 [pid 5385] <... prctl resumed>) = 0 [pid 5384] <... futex resumed>) = 1 [pid 5383] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5382] <... mprotect resumed>) = 0 [pid 5381] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5378] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5386 attached [pid 5385] setpgid(0, 0 [pid 5384] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5383] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5381] <... futex resumed>) = 0 [pid 5378] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5386] set_robust_list(0x5555743056a0, 24 [pid 5385] <... setpgid resumed>) = 0 [pid 5384] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5383] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5382] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5381] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5378] <... futex resumed>) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x555574305690) = 5386 [pid 5386] <... set_robust_list resumed>) = 0 [pid 5385] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5384] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5382] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5378] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5383] <... bpf resumed>) = 4 [pid 5386] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5384] <... bpf resumed>) = 4 [pid 5386] <... prctl resumed>) = 0 [pid 5385] <... openat resumed>) = 3 [pid 5384] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5383] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5382] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0}./strace-static-x86_64: Process 5387 attached [pid 5386] setpgid(0, 0 [pid 5385] write(3, "1000", 4 [pid 5384] <... futex resumed>) = 1 [pid 5383] <... futex resumed>) = 1 [pid 5381] <... futex resumed>) = 0 [pid 5378] <... futex resumed>) = 0 [pid 5387] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5386] <... setpgid resumed>) = 0 [pid 5385] <... write resumed>) = 4 [pid 5384] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5383] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5382] <... clone3 resumed> => {parent_tid=[5387]}, 88) = 5387 [pid 5381] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5378] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5387] <... rseq resumed>) = 0 [pid 5386] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5385] close(3 [pid 5384] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5383] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5382] rt_sigprocmask(SIG_SETMASK, [], [pid 5381] <... futex resumed>) = 0 [pid 5378] <... futex resumed>) = 0 [pid 5387] set_robust_list(0x7fa95d45d9a0, 24 [pid 5386] <... openat resumed>) = 3 [pid 5385] <... close resumed>) = 0 [pid 5384] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5383] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5382] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5381] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5378] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5387] <... set_robust_list resumed>) = 0 [pid 5386] write(3, "1000", 4 [pid 5385] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5382] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5387] rt_sigprocmask(SIG_SETMASK, [], [pid 5386] <... write resumed>) = 4 [pid 5385] <... futex resumed>) = 0 [pid 5382] <... futex resumed>) = 0 [pid 5387] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5386] close(3 [pid 5385] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5382] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5387] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5386] <... close resumed>) = 0 [pid 5385] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5384] <... bpf resumed>) = 5 [pid 5383] <... bpf resumed>) = 5 [pid 5387] <... bpf resumed>) = 3 [pid 5386] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5385] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5384] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5383] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5387] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5386] <... futex resumed>) = 0 [pid 5385] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5384] <... futex resumed>) = 1 [pid 5383] <... futex resumed>) = 1 [pid 5381] <... futex resumed>) = 0 [pid 5378] <... futex resumed>) = 0 [pid 5387] <... futex resumed>) = 1 [pid 5386] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5385] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5384] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5383] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5382] <... futex resumed>) = 0 [pid 5381] exit_group(0 [pid 5378] exit_group(0 [pid 5387] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5386] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5385] <... mmap resumed>) = 0x7fa95d43d000 [pid 5384] <... futex resumed>) = ? [pid 5383] <... futex resumed>) = ? [pid 5382] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5381] <... exit_group resumed>) = ? [pid 5378] <... exit_group resumed>) = ? [pid 5387] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5386] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5385] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5384] +++ exited with 0 +++ [pid 5383] +++ exited with 0 +++ [pid 5382] <... futex resumed>) = 0 [pid 5387] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144) = -1 EFAULT (Bad address) [pid 5386] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5385] <... mprotect resumed>) = 0 [pid 5382] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5387] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5386] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5385] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5382] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5387] <... futex resumed>) = 0 [pid 5386] <... mmap resumed>) = 0x7fa95d43d000 [pid 5385] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5382] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5387] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5386] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5385] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5382] <... futex resumed>) = 0 [pid 5387] <... bpf resumed>) = 4 [pid 5386] <... mprotect resumed>) = 0 [pid 5382] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5388 attached [pid 5388] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053) = 0 [pid 5388] set_robust_list(0x7fa95d45d9a0, 24 [pid 5386] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5388] <... set_robust_list resumed>) = 0 [pid 5387] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5386] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5385] <... clone3 resumed> => {parent_tid=[5388]}, 88) = 5388 [pid 5388] rt_sigprocmask(SIG_SETMASK, [], [pid 5387] <... futex resumed>) = 1 [pid 5382] <... futex resumed>) = 0 [pid 5388] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5387] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5386] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5385] rt_sigprocmask(SIG_SETMASK, [], [pid 5382] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5389 attached [pid 5388] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5385] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5382] <... futex resumed>) = 0 [pid 5389] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5385] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5382] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5386] <... clone3 resumed> => {parent_tid=[5389]}, 88) = 5389 [pid 5389] <... rseq resumed>) = 0 [pid 5388] <... futex resumed>) = 0 [pid 5385] <... futex resumed>) = 1 [pid 5389] set_robust_list(0x7fa95d45d9a0, 24 [pid 5388] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5386] rt_sigprocmask(SIG_SETMASK, [], [pid 5385] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5389] <... set_robust_list resumed>) = 0 [pid 5388] <... bpf resumed>) = 3 [pid 5386] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5389] rt_sigprocmask(SIG_SETMASK, [], [pid 5388] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5386] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5389] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5388] <... futex resumed>) = 1 [pid 5386] <... futex resumed>) = 0 [pid 5385] <... futex resumed>) = 0 [pid 5389] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5388] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5386] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5385] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5389] <... bpf resumed>) = 3 [pid 5388] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5385] <... futex resumed>) = 0 [pid 5389] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5385] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5388] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5389] <... futex resumed>) = 1 [pid 5388] <... futex resumed>) = 0 [pid 5386] <... futex resumed>) = 0 [pid 5385] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5388] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5386] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5389] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5385] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5388] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5386] <... futex resumed>) = 0 [pid 5389] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5386] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5385] <... futex resumed>) = 0 [pid 5388] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5389] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5388] <... bpf resumed>) = 4 [pid 5385] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5381] +++ exited with 0 +++ [pid 5378] +++ exited with 0 +++ [pid 5389] <... futex resumed>) = 1 [pid 5386] <... futex resumed>) = 0 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5378, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5389] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5386] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5389] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5388] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5386] <... futex resumed>) = 0 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5381, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5389] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5388] <... futex resumed>) = 1 [pid 5386] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5385] <... futex resumed>) = 0 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5389] <... bpf resumed>) = 4 [pid 5388] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5385] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5390 attached [pid 5388] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5390] set_robust_list(0x5555743056a0, 24 [pid 5389] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5385] <... futex resumed>) = 0 [pid 5390] <... set_robust_list resumed>) = 0 [pid 5386] <... futex resumed>) = 0 [pid 5389] <... futex resumed>) = 1 [pid 5385] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5386] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5390] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5389] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5388] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 [pid 5386] <... futex resumed>) = 0 [pid 5390] <... prctl resumed>) = 0 [pid 5386] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5390] setpgid(0, 0 [pid 5067] <... clone resumed>, child_tidptr=0x555574305690) = 5390 [pid 5390] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 5391 attached [pid 5074] <... clone resumed>, child_tidptr=0x555574305690) = 5391 [pid 5391] set_robust_list(0x5555743056a0, 24 [pid 5390] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5391] <... set_robust_list resumed>) = 0 [pid 5391] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5390] <... openat resumed>) = 3 [pid 5391] <... prctl resumed>) = 0 [pid 5390] write(3, "1000", 4 [pid 5391] setpgid(0, 0 [pid 5389] <... bpf resumed>) = 5 [pid 5388] <... bpf resumed>) = 5 [pid 5387] <... bpf resumed>) = 5 [pid 5391] <... setpgid resumed>) = 0 [pid 5388] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5390] <... write resumed>) = 4 [pid 5389] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5391] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5390] close(3 [pid 5389] <... futex resumed>) = 1 [pid 5388] <... futex resumed>) = 1 [pid 5386] <... futex resumed>) = 0 [pid 5385] <... futex resumed>) = 0 [pid 5390] <... close resumed>) = 0 [pid 5389] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5387] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5388] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5386] exit_group(0 [pid 5385] exit_group(0 [pid 5390] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5389] <... futex resumed>) = ? [pid 5388] <... futex resumed>) = ? [pid 5387] <... futex resumed>) = 1 [pid 5386] <... exit_group resumed>) = ? [pid 5385] <... exit_group resumed>) = ? [pid 5382] <... futex resumed>) = 0 [pid 5391] <... openat resumed>) = 3 [pid 5390] <... futex resumed>) = 0 [pid 5389] +++ exited with 0 +++ [pid 5388] +++ exited with 0 +++ [pid 5387] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5382] exit_group(0 [pid 5391] write(3, "1000", 4) = 4 [pid 5391] close(3 [pid 5386] +++ exited with 0 +++ [pid 5390] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5382] <... exit_group resumed>) = ? [pid 5387] <... futex resumed>) = ? [pid 5391] <... close resumed>) = 0 [pid 5390] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5391] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5386, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5391] <... futex resumed>) = 0 [pid 5072] restart_syscall(<... resuming interrupted clone ...> [pid 5391] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5072] <... restart_syscall resumed>) = 0 [pid 5391] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5391] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5390] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5391] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5391] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5390] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5392 attached [pid 5391] <... mmap resumed>) = 0x7fa95d43d000 [pid 5390] <... mmap resumed>) = 0x7fa95d43d000 [pid 5392] set_robust_list(0x5555743056a0, 24 [pid 5390] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5392] <... set_robust_list resumed>) = 0 [pid 5392] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5391] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5390] <... mprotect resumed>) = 0 [pid 5391] <... mprotect resumed>) = 0 [pid 5387] +++ exited with 0 +++ [pid 5385] +++ exited with 0 +++ [pid 5382] +++ exited with 0 +++ [pid 5072] <... clone resumed>, child_tidptr=0x555574305690) = 5392 [pid 5392] <... prctl resumed>) = 0 [pid 5391] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5390] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5392] setpgid(0, 0 [pid 5391] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5390] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5385, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5382, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5392] <... setpgid resumed>) = 0 [pid 5391] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5390] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa95d45d990, parent_tid=0x7fa95d45d990, exit_signal=0, stack=0x7fa95d43d000, stack_size=0x20300, tls=0x7fa95d45d6c0} [pid 5068] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 5394 attached ./strace-static-x86_64: Process 5393 attached [pid 5392] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 5068] <... restart_syscall resumed>) = 0 [pid 5394] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5393] rseq(0x7fa95d45dfe0, 0x20, 0, 0x53053053 [pid 5392] <... openat resumed>) = 3 [pid 5390] <... clone3 resumed> => {parent_tid=[5393]}, 88) = 5393 [pid 5391] <... clone3 resumed> => {parent_tid=[5394]}, 88) = 5394 [pid 5070] <... restart_syscall resumed>) = 0 [pid 5394] <... rseq resumed>) = 0 [pid 5393] <... rseq resumed>) = 0 [pid 5392] write(3, "1000", 4 [pid 5391] rt_sigprocmask(SIG_SETMASK, [], [pid 5390] rt_sigprocmask(SIG_SETMASK, [], [pid 5394] set_robust_list(0x7fa95d45d9a0, 24 [pid 5393] set_robust_list(0x7fa95d45d9a0, 24 [pid 5392] <... write resumed>) = 4 [pid 5391] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5390] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5394] <... set_robust_list resumed>) = 0 [pid 5393] <... set_robust_list resumed>) = 0 [pid 5392] close(3 [pid 5391] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5390] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5395 attached [pid 5394] rt_sigprocmask(SIG_SETMASK, [], [pid 5393] rt_sigprocmask(SIG_SETMASK, [], [pid 5392] <... close resumed>) = 0 [pid 5391] <... futex resumed>) = 0 [pid 5390] <... futex resumed>) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5391] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5395] set_robust_list(0x5555743056a0, 24 [pid 5394] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5393] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5392] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5390] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5395] <... set_robust_list resumed>) = 0 [pid 5394] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5393] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5392] <... futex resumed>) = 0 [pid 5395] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5396 attached ) = 0 [pid 5394] <... bpf resumed>) = 3 [pid 5393] <... bpf resumed>) = 3 [pid 5392] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa95d4b9d50}, [pid 5396] set_robust_list(0x5555743056a0, 24 [pid 5395] setpgid(0, 0 [pid 5394] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5393] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5392] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x555574305690) = 5395 [pid 5396] <... set_robust_list resumed>) = 0 [pid 5395] <... setpgid resumed>) = 0 [pid 5394] <... futex resumed>) = 1 [pid 5393] <... futex resumed>) = 1 [pid 5392] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5391] <... futex resumed>) = 0 [pid 5390] <... futex resumed>) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555574305690) = 5396 [pid 5396] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5395] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5394] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5393] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5392] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5391] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5390] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5396] <... prctl resumed>) = 0 [pid 5395] <... openat resumed>) = 3 [pid 5394] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5393] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5392] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5391] <... futex resumed>) = 0 [pid 5390] <... futex resumed>) = 0 [pid 5396] setpgid(0, 0 [pid 5395] write(3, "1000", 4 [pid 5394] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5393] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_XDP, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 [pid 5392] <... mmap resumed>) = 0x7fa95d43d000 [pid 5391] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5390] futex(0x7fa95d52c32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5396] <... setpgid resumed>) = 0 [pid 5395] <... write resumed>) = 4 [pid 5394] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5393] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5392] mprotect(0x7fa95d43e000, 131072, PROT_READ|PROT_WRITE [pid 5396] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5395] close(3 [pid 5394] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5393] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5392] <... mprotect resumed>) = 0 [pid 5396] <... openat resumed>) = 3 [pid 5395] <... close resumed>) = 0 [pid 5394] <... futex resumed>) = 1 [pid 5393] <... futex resumed>) = 1 [pid 5391] <... futex resumed>) = 0 [pid 5390] <... futex resumed>) = 0 [pid 5396] write(3, "1000", 4 [pid 5395] futex(0x7fa95d52c32c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5394] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5393] futex(0x7fa95d52c328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5392] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5391] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5390] futex(0x7fa95d52c328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5396] <... write resumed>) = 4 [pid 5395] <... futex resumed>) = 0 [pid 5394] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5393] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5392] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5391] <... futex resumed>) = 0 [pid 5390] <... futex resumed>) = 0 [pid 5396] close(3 [pid 5395] rt_sigaction(SIGRT_1, {sa_handler=0x7fa95d4c86d0, sa_mask=[], sa_fl