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@proger
Created August 14, 2011 19:58
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strace
socketpair(PF_FILE, SOCK_STREAM, 0, [3, 5]) = 0
fcntl(3, F_GETFL) = 0x2 (flags O_RDWR)
fcntl(3, F_SETFL, O_RDWR|O_NONBLOCK) = 0
fcntl(5, F_GETFL) = 0x2 (flags O_RDWR)
fcntl(5, F_SETFL, O_RDWR|O_NONBLOCK) = 0
clone(Process 11378 attached
child_stack=0, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x7f09b91b59d0) = 11378
[pid 11377] select(0, NULL, NULL, NULL, {1, 0} <unfinished ...>
[pid 11378] poll([{fd=3, events=POLLIN}], 1, 10000 <unfinished ...>
[pid 11377] <... select resumed> ) = ? ERESTARTNOHAND (To be restarted)
[pid 11377] --- {si_signo=SIGWINCH, si_code=SI_KERNEL, si_value={int=1, ptr=0x1}} (Window changed) ---
[pid 11377] select(0, NULL, NULL, NULL, {0, 662367} <unfinished ...>
[pid 11378] <... poll resumed> ) = ? ERESTART_RESTARTBLOCK (To be restarted)
[pid 11378] --- {si_signo=SIGWINCH, si_code=SI_KERNEL, si_value={int=1, ptr=0x1}} (Window changed) ---
[pid 11378] restart_syscall(<... resuming interrupted call ...> <unfinished ...>
[pid 11377] <... select resumed> ) = 0 (Timeout)
[pid 11377] close(5) = 0
[pid 11377] wait4(11378, Process 11377 suspended
<unfinished ...>
[pid 11378] <... restart_syscall resumed> ) = 0
[pid 11378] fstat(1, {st_mode=S_IFCHR|0620, st_rdev=makedev(136, 10), ...}) = 0
[pid 11378] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f09b91d8000
[pid 11378] write(1, "noread\n", 7noread
) = 7
[pid 11378] poll([{fd=5, events=POLLOUT}], 1, 10000) = 1 ([{fd=5, revents=POLLOUT}])
[pid 11378] sendto(5, "aa", 2, 0, NULL, 0) = 2
[pid 11378] poll([{fd=3, events=POLLIN}], 1, 10000) = 1 ([{fd=3, revents=POLLIN}])
[pid 11378] recvfrom(3, "aa", 10, 0, NULL, NULL) = 2
[pid 11378] write(1, "aa\n", 3aa
) = 3
[pid 11378] rt_sigaction(SIGINT, {SIG_DFL, [], SA_RESTORER, 0x7f09b89f17e0}, {0x7f09b8d0fd60, [], SA_RESTORER, 0x7f09b89f17e0}, 8) = 0
[pid 11378] close(3) = 0
[pid 11378] close(5) = 0
[pid 11378] exit_group(0) = ?
Process 11377 resumed
Process 11378 detached
<... wait4 resumed> [{WIFEXITED(s) && WEXITSTATUS(s) == 0}], 0, NULL) = 11378
--- {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11378, si_status=0, si_utime=0, si_stime=0} (Child exited) ---
rt_sigaction(SIGINT, {SIG_DFL, [], SA_RESTORER, 0x7f09b89f17e0}, {0x7f09b8d0fd60, [], SA_RESTORER, 0x7f09b89f17e0}, 8) = 0
close(3) = 0
exit_group(0) = ?
@LoneWolf95665
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What does this represent? I have a dedicated server with Bluehost and they "refuse" to assist me with this ever persistent trace. My mysql is running at 130 and higher.
Process 10936 attached
restart_syscall(<... resuming interrupted call ...>) = 1
fcntl(20, F_GETFL) = 0x2 (flags O_RDWR)
fcntl(20, F_SETFL, O_RDWR|O_NONBLOCK) = 0
accept(20, {sa_family=AF_LOCAL, NULL}, [2]) = 1425
fcntl(20, F_SETFL, O_RDWR) = 0
setsockopt(1425, SOL_IP, IP_TOS, [8], 4) = -1 EOPNOTSUPP (Operation not supported)
futex(0x13219a4, FUTEX_WAKE_OP_PRIVATE, 1, 1, 0x13219a0, {FUTEX_OP_SET, 0, FUTEX_OP_CMP_GT, 1}) = 1
poll([{fd=19, events=POLLIN}, {fd=20, events=POLLIN}], 2, -1) = 1 ([{fd=20, revents=POLLIN}])
fcntl(20, F_GETFL) = 0x2 (flags O_RDWR)
fcntl(20, F_SETFL, O_RDWR|O_NONBLOCK) = 0
accept(20, {sa_family=AF_LOCAL, NULL}, [2]) = 1946
fcntl(20, F_SETFL, O_RDWR) = 0
setsockopt(1946, SOL_IP, IP_TOS, [8], 4) = -1 EOPNOTSUPP (Operation not supported)
futex(0x13219a4, FUTEX_WAKE_OP_PRIVATE, 1, 1, 0x13219a0, {FUTEX_OP_SET, 0, FUTEX_OP_CMP_GT, 1}) = 1
futex(0x131f340, FUTEX_WAKE_PRIVATE, 1) = 1
poll([{fd=19, events=POLLIN}, {fd=20, events=POLLIN}], 2, -1) = 1 ([{fd=20, revents=POLLIN}])
fcntl(20, F_GETFL) = 0x2 (flags O_RDWR)
fcntl(20, F_SETFL, O_RDWR|O_NONBLOCK) = 0
accept(20, {sa_family=AF_LOCAL, NULL}, [2]) = 2074
fcntl(20, F_SETFL, O_RDWR) = 0
setsockopt(2074, SOL_IP, IP_TOS, [8], 4) = -1 EOPNOTSUPP (Operation not supported)
futex(0x13219a4, FUTEX_WAKE_OP_PRIVATE, 1, 1, 0x13219a0, {FUTEX_OP_SET, 0, FUTEX_OP_CMP_GT, 1}) = 1
futex(0x131f340, FUTEX_WAKE_PRIVATE, 1) = 1
poll([{fd=19, events=POLLIN}, {fd=20, events=POLLIN}], 2, -1) = 1 ([{fd=20, revents=POLLIN}])
fcntl(20, F_GETFL) = 0x2 (flags O_RDWR)
fcntl(20, F_SETFL, O_RDWR|O_NONBLOCK) = 0
accept(20, {sa_family=AF_LOCAL, NULL}, [2]) = 73
fcntl(20, F_SETFL, O_RDWR) = 0
setsockopt(73, SOL_IP, IP_TOS, [8], 4) = -1 EOPNOTSUPP (Operation not supported)
futex(0x13219a4, FUTEX_WAKE_OP_PRIVATE, 1, 1, 0x13219a0, {FUTEX_OP_SET, 0, FUTEX_OP_CMP_GT, 1}) = 1
futex(0x131f340, FUTEX_WAKE_PRIVATE, 1) = 1
poll([{fd=19, events=POLLIN}, {fd=20, events=POLLIN}], 2, -1) = 1 ([{fd=20, revents=POLLIN}])
fcntl(20, F_GETFL) = 0x2 (flags O_RDWR)
fcntl(20, F_SETFL, O_RDWR|O_NONBLOCK) = 0
accept(20, {sa_family=AF_LOCAL, NULL}, [2]) = 1213
fcntl(20, F_SETFL, O_RDWR) = 0
setsockopt(1213, SOL_IP, IP_TOS, [8], 4) = -1 EOPNOTSUPP (Operation not supported)
futex(0x13219a4, FUTEX_WAKE_OP_PRIVATE, 1, 1, 0x13219a0, {FUTEX_OP_SET, 0, FUTEX_OP_CMP_GT, 1}) = 1
poll([{fd=19, events=POLLIN}, {fd=20, events=POLLIN}], 2, -1) = 1 ([{fd=20, revents=POLLIN}])
fcntl(20, F_GETFL) = 0x2 (flags O_RDWR)
fcntl(20, F_SETFL, O_RDWR|O_NONBLOCK) = 0
accept(20, {sa_family=AF_LOCAL, NULL}, [2]) = 2064
fcntl(20, F_SETFL, O_RDWR) = 0
setsockopt(2064, SOL_IP, IP_TOS, [8], 4) = -1 EOPNOTSUPP (Operation not supported)
futex(0x13219a4, FUTEX_WAKE_OP_PRIVATE, 1, 1, 0x13219a0, {FUTEX_OP_SET, 0, FUTEX_OP_CMP_GT, 1}) = 1
futex(0x131f340, FUTEX_WAKE_PRIVATE, 1) = 1
poll([{fd=19, events=POLLIN}, {fd=20, events=POLLIN}], 2, -1) = 1 ([{fd=20, revents=POLLIN}])
fcntl(20, F_GETFL) = 0x2 (flags O_RDWR)
fcntl(20, F_SETFL, O_RDWR|O_NONBLOCK) = 0
accept(20, {sa_family=AF_LOCAL, NULL}, [2]) = 1213
fcntl(20, F_SETFL, O_RDWR) = 0
setsockopt(1213, SOL_IP, IP_TOS, [8], 4) = -1 EOPNOTSUPP (Operation not supported)
futex(0x13219a4, FUTEX_WAKE_OP_PRIVATE, 1, 1, 0x13219a0, {FUTEX_OP_SET, 0, FUTEX_OP_CMP_GT, 1}) = 1
futex(0x131f340, FUTEX_WAKE_PRIVATE, 1) = 1
poll([{fd=19, events=POLLIN}, {fd=20, events=POLLIN}], 2, -1) = 1 ([{fd=20, revents=POLLIN}])
fcntl(20, F_GETFL) = 0x2 (flags O_RDWR)
fcntl(20, F_SETFL, O_RDWR|O_NONBLOCK) = 0
accept(20, {sa_family=AF_LOCAL, NULL}, [2]) = 2074
fcntl(20, F_SETFL, O_RDWR) = 0

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