strace -c -f -p PID
% time seconds usecs/call calls errors syscall
------ ----------- ----------- --------- --------- ----------------
85.13 541.941340 3285 164958 4552 futex
6.79 43.238702 116233 372 nanosleep
5.85 37.214322 115215 323 select
1.36 8.650171 105 82112 fsync
0.64 4.072254 581751 7 6 restart_syscall
0.10 0.642362 14 46369 munmap
0.03 0.181115 1 246685 gettimeofday
0.03 0.163187 1 184085 pread
0.02 0.150513 3 59864 pwrite
0.01 0.088095 1 127449 fstat
0.01 0.076649 3 23348 write
0.01 0.066309 1 47674 open
0.01 0.061040 1 46369 mmap
0.00 0.027564 1 47790 close
0.00 0.012713 1 9855 29 read
0.00 0.012001 81 148 io_submit
0.00 0.011276 2 7071 setsockopt
0.00 0.004000 39 102 io_getevents
0.00 0.000216 0 1046 madvise
0.00 0.000034 0 2928 2928 access
0.00 0.000000 0 174 stat
0.00 0.000000 0 485 mprotect
0.00 0.000000 0 87 sched_yield
0.00 0.000000 0 58 fcntl
0.00 0.000000 0 174 statfs
------ ----------- ----------- --------- --------- ----------------
100.00 636.613863 1099533 7515 total
