corey@corey-laptop:~$ strace -c -p $(pidof gnome-screensaver) & sleep 10; killall strace
[1] 14899
Process 6975 attached - interrupt to quit
Process 6975 detached
% time     seconds  usecs/call     calls    errors syscall
------ ----------- ----------- --------- --------- ----------------
 96.81    0.004000          15       264           poll
  1.60    0.000066           0       937           gettimeofday
  1.04    0.000043           0       212           clock_gettime
  0.56    0.000023           0       663           ioctl
  0.00    0.000000           0       305        12 read
  0.00    0.000000           0        52           write
------ ----------- ----------- --------- --------- ----------------
100.00    0.004132                  2433        12 total
[1]+  Done                    strace -c -p $(pidof gnome-screensaver)