strace: Process 3891 attached with 6 threads strace: Process 3891 detached strace: Process 3931 detached strace: Process 3941 detached strace: Process 3932 detached strace: Process 3930 detached strace: Process 3928 detached % time seconds usecs/call calls errors syscall ------ ----------- ----------- --------- --------- ---------------- 44.28 8.740874 801 10908 ppoll 35.51 7.011272 1221 5740 459 futex 8.65 1.708574 17 96120 ioctl 3.41 0.673061 427 1576 clock_nanosleep 2.57 0.506512 48 10361 mmap 1.94 0.383496 37 10358 munmap 1.08 0.212343 16 13241 close 0.73 0.145039 42 3426 sendmsg 0.59 0.116589 7 16232 getpid 0.31 0.061258 18 3337 173 read 0.28 0.055864 19 2888 1444 recvmsg 0.23 0.045432 10 4428 fcntl 0.19 0.037662 24 1514 write 0.15 0.029347 16 1749 epoll_pwait 0.06 0.011514 8 1432 dup 0.01 0.002820 2820 1 restart_syscall 0.00 0.000272 34 8 timerfd_settime 0.00 0.000054 27 2 sysinfo ------ ----------- ----------- --------- --------- ---------------- 100.00 19.741983 107 183321 2076 total