Re: [PATCH 1/1] Fix number of events displayed in header

From: Arnaldo Carvalho de Melo
Date: Tue Mar 20 2012 - 15:42:47 EST


Em Tue, Mar 20, 2012 at 02:23:16PM -0500, Ashay Rane escreveu:
> From: Ashay Rane <ashay.rane@xxxxxxxxxxxxxxx>

Too short a changeset comment, please elaborate.

The change at least would have to be changed from

"Events: %llu", total_period

to

"Total period: %llu", total_period

To be consistent in what we call "Events", i.e. right now it is telling
the number of PERF_RECORD_SAMPLE events, with your change it would be
showing the sum of the periods in all samples.

- Arnaldo

> Signed-off-by: Ashay Rane <ashay.rane@xxxxxxxxxxxxxxx>
> ---
> tools/perf/builtin-report.c | 6 ++----
> 1 files changed, 2 insertions(+), 4 deletions(-)
>
> diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
> index 25d34d4..58a20cf 100644
> --- a/tools/perf/builtin-report.c
> +++ b/tools/perf/builtin-report.c
> @@ -202,11 +202,9 @@ static size_t hists__fprintf_nr_sample_events(struct hists *self,
> const char *evname, FILE *fp)
> {
> size_t ret;
> - char unit;
> - unsigned long nr_events = self->stats.nr_events[PERF_RECORD_SAMPLE];
> + u64 total_period = self->stats.total_period;
>
> - nr_events = convert_unit(nr_events, &unit);
> - ret = fprintf(fp, "# Events: %lu%c", nr_events, unit);
> + ret = fprintf(fp, "# Events: %llu", total_period);
> if (evname != NULL)
> ret += fprintf(fp, " %s", evname);
> return ret + fprintf(fp, "\n#\n");
> --
> 1.7.4.1
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