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Use getrusage () to get the timings and divide the timings by the

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number of calls.
This commit is contained in:
Martin Baulig
1999-03-24 15:44:28 +00:00
parent cd8ac36e9b
commit 290e9ac767
1 changed files with 220 additions and 83 deletions
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303
examples/timings.c
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@@ -34,20 +34,30 @@
#include <glibtop/sysdeps.h>
#include <sys/times.h>
#include <sys/resource.h>
#include <glibtop_private.h>
#ifndef PROFILE_COUNT
#define PROFILE_COUNT 100000
#define PROFILE_COUNT 100000L
#endif
#ifndef PROFILE_COUNT_EXPENSIVE
#define PROFILE_COUNT_EXPENSIVE 10000L
#endif
#define ELAPSED_UTIME ((unsigned long) elapsed_utime.tv_sec * 1000000 + (unsigned long) elapsed_utime.tv_usec)
#define ELAPSED_STIME ((unsigned long) elapsed_stime.tv_sec * 1000000 + (unsigned long) elapsed_stime.tv_usec)
int
main (int argc, char *argv [])
{
glibtop_union data;
glibtop_sysdeps sysdeps;
unsigned c, count, port, i, *ptr;
struct tms start_time, end_time;
struct rusage total_start, total_end;
struct rusage rusage_start, rusage_end;
struct timeval elapsed_utime, elapsed_stime;
char buffer [BUFSIZ];
pid_t pid, ppid;
char *args;
@@ -58,147 +68,274 @@ main (int argc, char *argv [])
bindtextdomain (PACKAGE, GTOPLOCALEDIR);
textdomain (PACKAGE);
printf ("%-12s (%-10s): %7s - %9s - %9s\n",
"Feature", "Flags", "Count", "utime", "stime");
printf ("-------------------------------------------"
"---------------\n");
glibtop_init_r (&glibtop_global_server, 0, 0);
times (&start_time);
getrusage (RUSAGE_SELF, &total_start);
getrusage (RUSAGE_SELF, &rusage_start);
for (c = 0; c < PROFILE_COUNT; c++)
glibtop_get_cpu (&data.cpu);
times (&end_time);
printf ("CPU (0x%08lx): %lu - %lu\n",
(unsigned long) data.cpu.flags,
end_time.tms_utime - start_time.tms_utime,
end_time.tms_stime - start_time.tms_stime);
getrusage (RUSAGE_SELF, &rusage_end);
times (&start_time);
for (c = 0; c < PROFILE_COUNT; c++)
timersub (&rusage_end.ru_utime, &rusage_start.ru_utime,
&elapsed_utime);
timersub (&rusage_end.ru_stime, &rusage_start.ru_stime,
&elapsed_stime);
printf ("CPU (0x%08lx): %7lu - %9.2Lf - %9.2Lf\n",
(unsigned long) data.cpu.flags, PROFILE_COUNT,
(long double) ELAPSED_UTIME / PROFILE_COUNT,
(long double) ELAPSED_STIME / PROFILE_COUNT);
getrusage (RUSAGE_SELF, &rusage_start);
for (c = 0; c < PROFILE_COUNT_EXPENSIVE; c++)
glibtop_get_mem (&data.mem);
times (&end_time);
printf ("Memory (0x%08lx): %lu - %lu\n",
(unsigned long) data.mem.flags,
end_time.tms_utime - start_time.tms_utime,
end_time.tms_stime - start_time.tms_stime);
getrusage (RUSAGE_SELF, &rusage_end);
times (&start_time);
for (c = 0; c < PROFILE_COUNT; c++)
timersub (&rusage_end.ru_utime, &rusage_start.ru_utime,
&elapsed_utime);
timersub (&rusage_end.ru_stime, &rusage_start.ru_stime,
&elapsed_stime);
printf ("Memory (0x%08lx): %7lu - %9.2Lf - %9.2Lf\n",
(unsigned long) data.mem.flags, PROFILE_COUNT_EXPENSIVE,
(long double) ELAPSED_UTIME / PROFILE_COUNT_EXPENSIVE,
(long double) ELAPSED_STIME / PROFILE_COUNT_EXPENSIVE);
getrusage (RUSAGE_SELF, &rusage_start);
for (c = 0; c < PROFILE_COUNT_EXPENSIVE; c++)
glibtop_get_swap (&data.swap);
times (&end_time);
printf ("Swap (0x%08lx): %lu - %lu\n",
(unsigned long) data.swap.flags,
end_time.tms_utime - start_time.tms_utime,
end_time.tms_stime - start_time.tms_stime);
getrusage (RUSAGE_SELF, &rusage_end);
timersub (&rusage_end.ru_utime, &rusage_start.ru_utime,
&elapsed_utime);
timersub (&rusage_end.ru_stime, &rusage_start.ru_stime,
&elapsed_stime);
printf ("Swap (0x%08lx): %7lu - %9.2Lf - %9.2Lf\n",
(unsigned long) data.swap.flags, PROFILE_COUNT_EXPENSIVE,
(long double) ELAPSED_UTIME / PROFILE_COUNT_EXPENSIVE,
(long double) ELAPSED_STIME / PROFILE_COUNT_EXPENSIVE);
getrusage (RUSAGE_SELF, &rusage_start);
times (&start_time);
for (c = 0; c < PROFILE_COUNT; c++)
glibtop_get_uptime (&data.uptime);
times (&end_time);
printf ("Uptime (0x%08lx): %lu - %lu\n",
(unsigned long) data.uptime.flags,
end_time.tms_utime - start_time.tms_utime,
end_time.tms_stime - start_time.tms_stime);
getrusage (RUSAGE_SELF, &rusage_end);
timersub (&rusage_end.ru_utime, &rusage_start.ru_utime,
&elapsed_utime);
timersub (&rusage_end.ru_stime, &rusage_start.ru_stime,
&elapsed_stime);
printf ("Uptime (0x%08lx): %7lu - %9.2Lf - %9.2Lf\n",
(unsigned long) data.uptime.flags, PROFILE_COUNT,
(long double) ELAPSED_UTIME / PROFILE_COUNT,
(long double) ELAPSED_STIME / PROFILE_COUNT);
getrusage (RUSAGE_SELF, &rusage_start);
times (&start_time);
for (c = 0; c < PROFILE_COUNT; c++)
glibtop_get_loadavg (&data.loadavg);
times (&end_time);
printf ("Loadavg (0x%08lx): %lu - %lu\n",
(unsigned long) data.loadavg.flags,
end_time.tms_utime - start_time.tms_utime,
end_time.tms_stime - start_time.tms_stime);
getrusage (RUSAGE_SELF, &rusage_end);
timersub (&rusage_end.ru_utime, &rusage_start.ru_utime,
&elapsed_utime);
timersub (&rusage_end.ru_stime, &rusage_start.ru_stime,
&elapsed_stime);
printf ("Loadavg (0x%08lx): %7lu - %9.2Lf - %9.2Lf\n",
(unsigned long) data.loadavg.flags, PROFILE_COUNT,
(long double) ELAPSED_UTIME / PROFILE_COUNT,
(long double) ELAPSED_STIME / PROFILE_COUNT);
printf ("\n");
times (&start_time);
for (c = 0; c < PROFILE_COUNT; c++) {
getrusage (RUSAGE_SELF, &rusage_start);
for (c = 0; c < PROFILE_COUNT_EXPENSIVE; c++) {
ptr = glibtop_get_proclist (&data.proclist, 0, 0);
glibtop_free (ptr);
}
times (&end_time);
printf ("Proclist (0x%08lx): %lu - %lu\n",
getrusage (RUSAGE_SELF, &rusage_end);
timersub (&rusage_end.ru_utime, &rusage_start.ru_utime,
&elapsed_utime);
timersub (&rusage_end.ru_stime, &rusage_start.ru_stime,
&elapsed_stime);
printf ("Proclist (0x%08lx): %7lu - %9.2Lf - %9.2Lf\n",
(unsigned long) data.proclist.flags,
end_time.tms_utime - start_time.tms_utime,
end_time.tms_stime - start_time.tms_stime);
PROFILE_COUNT_EXPENSIVE,
(long double) ELAPSED_UTIME / PROFILE_COUNT_EXPENSIVE,
(long double) ELAPSED_STIME / PROFILE_COUNT_EXPENSIVE);
pid = getpid ();
printf ("\n");
times (&start_time);
getrusage (RUSAGE_SELF, &rusage_start);
for (c = 0; c < PROFILE_COUNT; c++)
glibtop_get_proc_state (&data.proc_state, pid);
times (&end_time);
printf ("Proc_State PID %5d (0x%08lx): %lu - %lu\n",
(int) pid, (unsigned long) data.proc_state.flags,
end_time.tms_utime - start_time.tms_utime,
end_time.tms_stime - start_time.tms_stime);
getrusage (RUSAGE_SELF, &rusage_end);
timersub (&rusage_end.ru_utime, &rusage_start.ru_utime,
&elapsed_utime);
timersub (&rusage_end.ru_stime, &rusage_start.ru_stime,
&elapsed_stime);
printf ("Proc_State (0x%08lx): %7lu - %9.2Lf - %9.2Lf\n",
(unsigned long) data.proc_state.flags, PROFILE_COUNT,
(long double) ELAPSED_UTIME / PROFILE_COUNT,
(long double) ELAPSED_STIME / PROFILE_COUNT);
getrusage (RUSAGE_SELF, &rusage_start);
times (&start_time);
for (c = 0; c < PROFILE_COUNT; c++)
glibtop_get_proc_uid (&data.proc_uid, pid);
times (&end_time);
printf ("Proc_Uid PID %5d (0x%08lx): %lu - %lu\n",
(int) pid, (unsigned long) data.proc_uid.flags,
end_time.tms_utime - start_time.tms_utime,
end_time.tms_stime - start_time.tms_stime);
getrusage (RUSAGE_SELF, &rusage_end);
timersub (&rusage_end.ru_utime, &rusage_start.ru_utime,
&elapsed_utime);
timersub (&rusage_end.ru_stime, &rusage_start.ru_stime,
&elapsed_stime);
printf ("Proc_Uid (0x%08lx): %7lu - %9.2Lf - %9.2Lf\n",
(unsigned long) data.proc_uid.flags, PROFILE_COUNT,
(long double) ELAPSED_UTIME / PROFILE_COUNT,
(long double) ELAPSED_STIME / PROFILE_COUNT);
getrusage (RUSAGE_SELF, &rusage_start);
times (&start_time);
for (c = 0; c < PROFILE_COUNT; c++)
glibtop_get_proc_mem (&data.proc_mem, pid);
times (&end_time);
printf ("Proc_Mem PID %5d (0x%08lx): %lu - %lu\n",
(int) pid, (unsigned long) data.proc_mem.flags,
end_time.tms_utime - start_time.tms_utime,
end_time.tms_stime - start_time.tms_stime);
getrusage (RUSAGE_SELF, &rusage_end);
timersub (&rusage_end.ru_utime, &rusage_start.ru_utime,
&elapsed_utime);
timersub (&rusage_end.ru_stime, &rusage_start.ru_stime,
&elapsed_stime);
printf ("Proc_Mem (0x%08lx): %7lu - %9.2Lf - %9.2Lf\n",
(unsigned long) data.proc_mem.flags, PROFILE_COUNT,
(long double) ELAPSED_UTIME / PROFILE_COUNT,
(long double) ELAPSED_STIME / PROFILE_COUNT);
getrusage (RUSAGE_SELF, &rusage_start);
times (&start_time);
for (c = 0; c < PROFILE_COUNT; c++)
glibtop_get_proc_segment (&data.proc_segment, pid);
times (&end_time);
printf ("Proc_Segment PID %5d (0x%08lx): %lu - %lu\n",
(int) pid, (unsigned long) data.proc_segment.flags,
end_time.tms_utime - start_time.tms_utime,
end_time.tms_stime - start_time.tms_stime);
getrusage (RUSAGE_SELF, &rusage_end);
timersub (&rusage_end.ru_utime, &rusage_start.ru_utime,
&elapsed_utime);
timersub (&rusage_end.ru_stime, &rusage_start.ru_stime,
&elapsed_stime);
printf ("Proc_Segment (0x%08lx): %7lu - %9.2Lf - %9.2Lf\n",
(unsigned long) data.proc_segment.flags, PROFILE_COUNT,
(long double) ELAPSED_UTIME / PROFILE_COUNT,
(long double) ELAPSED_STIME / PROFILE_COUNT);
getrusage (RUSAGE_SELF, &rusage_start);
times (&start_time);
for (c = 0; c < PROFILE_COUNT; c++)
glibtop_get_proc_time (&data.proc_time, pid);
times (&end_time);
printf ("Proc_Time PID %5d (0x%08lx): %lu - %lu\n",
(int) pid, (unsigned long) data.proc_time.flags,
end_time.tms_utime - start_time.tms_utime,
end_time.tms_stime - start_time.tms_stime);
getrusage (RUSAGE_SELF, &rusage_end);
timersub (&rusage_end.ru_utime, &rusage_start.ru_utime,
&elapsed_utime);
timersub (&rusage_end.ru_stime, &rusage_start.ru_stime,
&elapsed_stime);
printf ("Proc_Time (0x%08lx): %7lu - %9.2Lf - %9.2Lf\n",
(unsigned long) data.proc_time.flags, PROFILE_COUNT,
(long double) ELAPSED_UTIME / PROFILE_COUNT,
(long double) ELAPSED_STIME / PROFILE_COUNT);
getrusage (RUSAGE_SELF, &rusage_start);
times (&start_time);
for (c = 0; c < PROFILE_COUNT; c++)
glibtop_get_proc_signal (&data.proc_signal, pid);
times (&end_time);
printf ("Proc_Signal PID %5d (0x%08lx): %lu - %lu\n",
(int) pid, (unsigned long) data.proc_signal.flags,
end_time.tms_utime - start_time.tms_utime,
end_time.tms_stime - start_time.tms_stime);
getrusage (RUSAGE_SELF, &rusage_end);
timersub (&rusage_end.ru_utime, &rusage_start.ru_utime,
&elapsed_utime);
timersub (&rusage_end.ru_stime, &rusage_start.ru_stime,
&elapsed_stime);
printf ("Proc_Signal (0x%08lx): %7lu - %9.2Lf - %9.2Lf\n",
(unsigned long) data.proc_signal.flags, PROFILE_COUNT,
(long double) ELAPSED_UTIME / PROFILE_COUNT,
(long double) ELAPSED_STIME / PROFILE_COUNT);
getrusage (RUSAGE_SELF, &rusage_start);
times (&start_time);
for (c = 0; c < PROFILE_COUNT; c++)
glibtop_get_proc_kernel (&data.proc_kernel, pid);
times (&end_time);
printf ("Proc_Kernel PID %5d (0x%08lx): %lu - %lu\n",
(int) pid, (unsigned long) data.proc_kernel.flags,
end_time.tms_utime - start_time.tms_utime,
end_time.tms_stime - start_time.tms_stime);
getrusage (RUSAGE_SELF, &rusage_end);
printf ("\n");
timersub (&rusage_end.ru_utime, &rusage_start.ru_utime,
&elapsed_utime);
timersub (&rusage_end.ru_stime, &rusage_start.ru_stime,
&elapsed_stime);
printf ("Proc_Kernel (0x%08lx): %7lu - %9.2Lf - %9.2Lf\n",
(unsigned long) data.proc_kernel.flags, PROFILE_COUNT,
(long double) ELAPSED_UTIME / PROFILE_COUNT,
(long double) ELAPSED_STIME / PROFILE_COUNT);
getrusage (RUSAGE_SELF, &total_end);
timersub (&total_end.ru_utime, &total_start.ru_utime,
&elapsed_utime);
timersub (&total_end.ru_stime, &total_start.ru_stime,
&elapsed_stime);
printf ("-------------------------------------------"
"---------------\n");
printf ("%-36s %9lu - %9lu\n\n", "TOTAL",
ELAPSED_UTIME, ELAPSED_STIME);
printf ("All timings are in clock ticks "
"(1000000 ticks per second).\n\n");
glibtop_close ();