perf stat: Adjust print unit
The default 'M/sec' unit is not useful if the result is small enough. Adjust it dynamically according to the value. Cc: Ingo Molnar <mingo@elte.hu> Cc: Namhyung Kim <namhyung@gmail.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1328514285-26232-1-git-send-email-namhyung.kim@lge.com Signed-off-by: Namhyung Kim <namhyung.kim@lge.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
parent
762b2935fc
commit
5fde2523bd
|
@ -844,12 +844,18 @@ static void abs_printout(int cpu, struct perf_evsel *evsel, double avg)
|
||||||
|
|
||||||
fprintf(output, " # %8.3f GHz ", ratio);
|
fprintf(output, " # %8.3f GHz ", ratio);
|
||||||
} else if (runtime_nsecs_stats[cpu].n != 0) {
|
} else if (runtime_nsecs_stats[cpu].n != 0) {
|
||||||
|
char unit = 'M';
|
||||||
|
|
||||||
total = avg_stats(&runtime_nsecs_stats[cpu]);
|
total = avg_stats(&runtime_nsecs_stats[cpu]);
|
||||||
|
|
||||||
if (total)
|
if (total)
|
||||||
ratio = 1000.0 * avg / total;
|
ratio = 1000.0 * avg / total;
|
||||||
|
if (ratio < 0.001) {
|
||||||
|
ratio *= 1000;
|
||||||
|
unit = 'K';
|
||||||
|
}
|
||||||
|
|
||||||
fprintf(output, " # %8.3f M/sec ", ratio);
|
fprintf(output, " # %8.3f %c/sec ", ratio, unit);
|
||||||
} else {
|
} else {
|
||||||
fprintf(output, " ");
|
fprintf(output, " ");
|
||||||
}
|
}
|
||||||
|
|
Loading…
Reference in a new issue