% time     seconds  usecs/call     calls    errors syscall
------ ----------- ----------- --------- --------- ----------------
 99.85    0.012000         545        22        10 waitpid
  0.15    0.000018           0        45           mmap2
  0.00    0.000000           0        19           read
  0.00    0.000000           0         5           write
  0.00    0.000000           0        74        28 open
  0.00    0.000000           0        60         4 close
  0.00    0.000000           0         2           execve
  0.00    0.000000           0         1           chdir
  0.00    0.000000           0         2           time
  0.00    0.000000           0         2           getpid
  0.00    0.000000           0        34         6 access
  0.00    0.000000           0         4           pipe
  0.00    0.000000           0        10           brk
  0.00    0.000000           0         6         2 ioctl
  0.00    0.000000           0         6           dup2
  0.00    0.000000           0         2           getppid
  0.00    0.000000           0         2           getpgrp
  0.00    0.000000           0         4           munmap
  0.00    0.000000           0        10           sigreturn
  0.00    0.000000           0        12           clone
  0.00    0.000000           0         2           uname
  0.00    0.000000           0         8           mprotect
  0.00    0.000000           0         7           _llseek
  0.00    0.000000           0        43           rt_sigaction
  0.00    0.000000           0       432           rt_sigprocmask
  0.00    0.000000           0         4           getrlimit
  0.00    0.000000           0        60         3 stat64
  0.00    0.000000           0        43           fstat64
  0.00    0.000000           0        34           getuid32
  0.00    0.000000           0        34           getgid32
  0.00    0.000000           0        34           geteuid32
  0.00    0.000000           0        34           getegid32
  0.00    0.000000           0        16           fcntl64
  0.00    0.000000           0         2           set_thread_area
  0.00    0.000000           0         4           fadvise64
------ ----------- ----------- --------- --------- ----------------
100.00    0.012018                  1079        53 total