sys_usec           31 maint/gnulib/tests/bench-digest.h   long sys_usec;
sys_usec           60 maint/gnulib/tests/bench-digest.h   ts->sys_usec = (usage.ru_stime.tv_sec - ts->sys_start.tv_sec) * 1000000
sys_usec           69 maint/gnulib/tests/bench-digest.h   printf ("sys  %7.3f\n", (double)ts->sys_usec / 1000000.0);