Messages in this thread | | | Date | Mon, 14 Aug 2017 13:31:50 -0300 | From | Arnaldo Carvalho de Melo <> | Subject | Re: [PATCH v4 5/9] perf annotate stdio: Support --show-nr-samples option |
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Em Mon, Aug 14, 2017 at 07:42:07PM +0900, Taeung Song escreveu: > On 08/01/2017 03:24 PM, Taeung Song wrote: > > On 07/29/2017 01:26 AM, Arnaldo Carvalho de Melo wrote: > > > Em Fri, Jul 28, 2017 at 01:16:16AM +0900, Taeung Song escreveu: > > > > Add --show-nr-samples option to perf-annotate > > > > so that it corresponds with perf-report. > > > > > > So this is not that intuitive, i.e. if one ask for: > > > > > > perf annotate --show-total-period --show-nr-samples > > > > > > then both should appear, no?
> > I thought the users can use both --show-total-period and --show-nr-samples, > > but perf-annotate can preferentially show the total period view IMHO.
That is inapropriate, if the user asks for both --show-total-period and --show-nr-samples, then it either should show both or bail out telling that that is not possible.
- Arnaldo
> > What do you think about it ? > > we need to prevent users from using both ? > > > > Thanks, > > Taeung > > > ping ! > > > > > > > Cc: Namhyung Kim <namhyung@kernel.org> > > > > Cc: Milian Wolff <milian.wolff@kdab.com> > > > > Cc: Jiri Olsa <jolsa@redhat.com> > > > > Signed-off-by: Taeung Song <treeze.taeung@gmail.com> > > > > --- > > > > 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 6db782d..a8e6db2 100644 > > > > --- a/tools/perf/builtin-annotate.c > > > > +++ b/tools/perf/builtin-annotate.c > > > > @@ -447,6 +447,8 @@ 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 5125c2b..7032bdc 100644 > > > > --- a/tools/perf/util/annotate.c > > > > +++ b/tools/perf/util/annotate.c > > > > @@ -1144,6 +1144,9 @@ 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); > > > > } > > > > @@ -1824,7 +1827,8 @@ 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 ? > > > > "Event count" : > > > > + symbol_conf.show_nr_samples ? "Samples" : "Percent", > > > > d_filename, evsel_name, h->nr_samples); > > > > printf("%-*.*s----\n", > > > > -- > > > > 2.7.4
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