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perf: Print ticks as well as ms in output.

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The ticks value is a bit more reliable since it won't exhibit
variation due to estimating the CPU frequency like the ms value
will.
This commit is contained in:
Carl Worth 2006-10-18 12:10:00 -07:00
parent bb3d4b2f88
commit 5c7798a646
1 changed files with 4 additions and 3 deletions
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7
perf/cairo-perf.c
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@ -171,8 +171,8 @@ cairo_perf_run (cairo_perf_t *perf,
}
if (first_run) {
printf ("[ # ] %8s-%-4s %28s %7s %5s %s\n",
"backend", "content", "test-size", "mean(ms)",
printf ("[ # ] %8s-%-4s %28s %10s %8s %5s %s\n",
"backend", "content", "test-size", "mean(ticks)", "mean(ms)",
"stddev.", "iterations");
first_run = FALSE;
}
@ -182,7 +182,8 @@ cairo_perf_run (cairo_perf_t *perf,
_content_to_string (perf->target->content),
name, perf->size);
printf ("%#8.3f %#5.2f%% %3d\n",
printf ("%12.2f %#8.3f %#5.2f%% %3d\n",
stats.mean,
(stats.mean * 1000.0) / cairo_perf_ticks_per_second (),
stats.std_dev * 100.0, i);