strace -p  1463895 -f -T -c

% time     seconds  usecs/call     calls    errors syscall
------ ----------- ----------- --------- --------- ----------------
 79.59   53.497081      295564       181        67 futex
 12.00    8.067427      336143        24        23 restart_syscall
  8.20    5.512720      689090         8           epoll_wait
  0.16    0.109114          19      5596           madvise
  0.03    0.017324        3465         5           write
  0.01    0.008984         243        37         8 read
  0.00    0.000000           0         3           open
  0.00    0.000000           0         4           close
  0.00    0.000000           0         1           writev
  0.00    0.000000           0         1           accept
  0.00    0.000000           0         5           sendmsg
  0.00    0.000000           0         3           statfs
  0.00    0.000000           0         4           clock_gettime
  0.00    0.000000           0         2           epoll_ctl
------ ----------- ----------- --------- --------- ----------------
100.00   67.212650                  5874        98 total