lkml.org 
[lkml]   [2017]   [Aug]   [21]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH v3 1/5] perf annotate stdio: Support --show-nr-samples option
From
Date


On 08/18/2017 10:33 PM, Arnaldo Carvalho de Melo wrote:
> Em Fri, Aug 18, 2017 at 05:46:48PM +0900, Taeung Song escreveu:
>> Add --show-nr-samples option to perf-annotate
>> so that it corresponds with perf-report.
>
> So, at this point I tried to test it and forgot this was just about
> --stdio, which confused me, so I added the following patch, that I'll
> lift when adding the browser support, which may not happen at this time
> if there are problems there.
>
> @@ -473,6 +474,11 @@ int cmd_annotate(int argc, const char **argv)
> annotate.sym_hist_filter = argv[0];
> }
>
> + if (symbol_conf.show_nr_samples && !annotate.use_stdio) {
> + pr_err("--show-nr-samples is only available in --stdio mode at this time\n");
> + return ret;
> + }
> +
>
> - Arnaldo
>

Ok, got it.

Thanks,
Taeung

>> 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/Documentation/perf-annotate.txt | 4 ++++
>> tools/perf/builtin-annotate.c | 2 ++
>> tools/perf/util/annotate.c | 6 +++++-
>> 3 files changed, 11 insertions(+), 1 deletion(-)
>>
>> diff --git a/tools/perf/Documentation/perf-annotate.txt b/tools/perf/Documentation/perf-annotate.txt
>> index a89273d..2a5975c 100644
>> --- a/tools/perf/Documentation/perf-annotate.txt
>> +++ b/tools/perf/Documentation/perf-annotate.txt
>> @@ -43,6 +43,10 @@ OPTIONS
>> --quiet::
>> Do not show any message. (Suppress -v)
>>
>> +-n::
>> +--show-nr-samples::
>> + Show the number of samples for each symbol
>> +
>> -D::
>> --dump-raw-trace::
>> Dump raw trace in ASCII.
>> 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

\
 
 \ /
  Last update: 2017-08-21 07:33    [W:0.044 / U:27.400 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site