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| author | Namhyung Kim <namhyung.kim@lge.com> | 2012-02-06 07:44:44 (GMT) |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2012-02-06 21:17:11 (GMT) |
| commit | 5fde2523bddb71d96f12b6ee8d2a9a43cb99da96 (patch) | |
| tree | 2833458233e01dc78a900b444a03f6ee58dc834c | |
| parent | 762b2935fc0ea2eab3a0edc8333fedb95266c7a9 (diff) | |
| download | linux-5fde2523bddb71d96f12b6ee8d2a9a43cb99da96.tar.xz | |
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>
| -rw-r--r-- | tools/perf/builtin-stat.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index 459b862..32d930e 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -844,12 +844,18 @@ static void abs_printout(int cpu, struct perf_evsel *evsel, double avg) fprintf(output, " # %8.3f GHz ", ratio); } else if (runtime_nsecs_stats[cpu].n != 0) { + char unit = 'M'; + total = avg_stats(&runtime_nsecs_stats[cpu]); if (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 { fprintf(output, " "); } |