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Date: Wed, 18 Nov 2015 09:49:52 +0900 From: Namhyung Kim <namhyung@...nel.org> To: Taeung Song <treeze.taeung@...il.com> CC: Arnaldo Carvalho de Melo <acme@...nel.org>, linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...hat.com>, Jiri Olsa <jolsa@...hat.com> Subject: Re: [PATCH v11 08/24] perf config: Document 'hist.percentage' variable in man page On Tue, Nov 17, 2015 at 10:53:28PM +0900, Taeung Song wrote: > Explain 'hist.percentage' variable. > > Cc: Jiri Olsa <jolsa@...hat.com> > Signed-off-by: Taeung Song <treeze.taeung@...il.com> Acked-by: Namhyung Kim <namhyung@...nel.org> One nitpick below.. > --- > tools/perf/Documentation/perf-config.txt | 17 +++++++++++++++++ > 1 file changed, 17 insertions(+) > > diff --git a/tools/perf/Documentation/perf-config.txt b/tools/perf/Documentation/perf-config.txt > index 88e9b88..b166b81 100644 > --- a/tools/perf/Documentation/perf-config.txt > +++ b/tools/perf/Documentation/perf-config.txt > @@ -263,6 +263,23 @@ help.*:: > <perf sub-command> can be record, script, report or inject > or: perf-with-kcore fix_buildid_cache_permissions > > +hist.*:: > + hist.percentage:: > + This option control a way to calcurate overhead of filtered entries - s/control a way/controls the way/, s/calcurate/calculate/ Thanks, Namhyung > + that means the value of this option is effective only if there's a > + filter (by comm, dso or symbol name). Suppose a following example: > + > + Overhead Symbols > + ........ ....... > + 33.33% foo > + 33.33% bar > + 33.33% baz > + > + This is an original overhead and we'll filter out the first 'foo' > + entry. The value of 'relative' would increase the overhead of 'bar' > + and 'baz' to 50.00% for each, while 'absolute' would show their > + current overhead (33.33%). > + > SEE ALSO > -------- > linkperf:perf[1] > -- > 1.9.1 > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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