Re: [PATCH v2 1/4] perf annotate stdio: Support --show-nr-samples option

From: Arnaldo Carvalho de Melo
Date: Thu Aug 17 2017 - 11:17:01 EST


Em Tue, Aug 15, 2017 at 05:06:31PM -0300, Arnaldo Carvalho de Melo escreveu:
> Em Wed, Aug 16, 2017 at 12:13:09AM +0900, Taeung Song escreveu:
> > Add --show-nr-samples option to perf-annotate
> > so that it corresponds with perf-report.
>
> I'll fold the second patch (2/4) with this one, thanks.

So, I was going to do that, please do it since there is another thing
missing here, document the new option in
tools/perf/Documentation/perf-annotate.txt.

- Arnaldo

> - Arnaldo
>
> > Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
> > Cc: Milian Wolff <milian.wolff@xxxxxxxx>
> > Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
> > Signed-off-by: Taeung Song <treeze.taeung@xxxxxxxxx>
> > ---
> > tools/perf/builtin-annotate.c | 2 ++
> > tools/perf/util/annotate.c | 6 +++++-
> > 2 files changed, 7 insertions(+), 1 deletion(-)
> >
> > diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c
> > index 658c920..acde4cc 100644
> > --- a/tools/perf/builtin-annotate.c
> > +++ b/tools/perf/builtin-annotate.c
> > @@ -445,6 +445,8 @@ int cmd_annotate(int argc, const char **argv)
> > "Show event group information together"),
> > OPT_BOOLEAN(0, "show-total-period", &symbol_conf.show_total_period,
> > "Show a column with the sum of periods"),
> > + OPT_BOOLEAN('n', "show-nr-samples", &symbol_conf.show_nr_samples,
> > + "Show a column with the number of samples"),
> > OPT_CALLBACK_DEFAULT(0, "stdio-color", NULL, "mode",
> > "'always' (default), 'never' or 'auto' only applicable to --stdio mode",
> > stdio__config_color, "always"),
> > diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c
> > index 2dab0e5..4397a8b 100644
> > --- a/tools/perf/util/annotate.c
> > +++ b/tools/perf/util/annotate.c
> > @@ -1145,6 +1145,9 @@ static int disasm_line__print(struct disasm_line *dl, struct symbol *sym, u64 st
> > if (symbol_conf.show_total_period)
> > color_fprintf(stdout, color, " %11" PRIu64,
> > sample.period);
> > + else if (symbol_conf.show_nr_samples)
> > + color_fprintf(stdout, color, " %7" PRIu64,
> > + sample.nr_samples);
> > else
> > color_fprintf(stdout, color, " %7.2f", percent);
> > }
> > @@ -1825,7 +1828,8 @@ int symbol__annotate_printf(struct symbol *sym, struct map *map,
> > width *= evsel->nr_members;
> >
> > graph_dotted_len = printf(" %-*.*s| Source code & Disassembly of %s for %s (%" PRIu64 " samples)\n",
> > - width, width, symbol_conf.show_total_period ? "Event count" : "Percent",
> > + width, width, symbol_conf.show_total_period ? "Period" :
> > + symbol_conf.show_nr_samples ? "Samples" : "Percent",
> > d_filename, evsel_name, h->nr_samples);
> >
> > printf("%-*.*s----\n",
> > --
> > 2.7.4