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Message-Id: <1453392049-5825-17-git-send-email-acme@kernel.org> Date: Thu, 21 Jan 2016 13:00:49 -0300 From: Arnaldo Carvalho de Melo <acme@...nel.org> To: Ingo Molnar <mingo@...nel.org> Cc: linux-kernel@...r.kernel.org, Taeung Song <treeze.taeung@...il.com>, Jiri Olsa <jolsa@...nel.org>, Namhyung Kim <namhyung@...nel.org>, Arnaldo Carvalho de Melo <acme@...hat.com> Subject: [PATCH 16/16] perf config: Document 'hist.percentage' variable in man page From: Taeung Song <treeze.taeung@...il.com> Explain 'hist.percentage' variable. Signed-off-by: Taeung Song <treeze.taeung@...il.com> Cc: Jiri Olsa <jolsa@...nel.org> Cc: Namhyung Kim <namhyung@...nel.org> Link: http://lkml.kernel.org/r/1452253193-30502-7-git-send-email-treeze.taeung@gmail.com Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com> --- 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 cb7ca507ec5e..74589c68558a 100644 --- a/tools/perf/Documentation/perf-config.txt +++ b/tools/perf/Documentation/perf-config.txt @@ -279,6 +279,23 @@ annotate.*:: 99.93 │ mov %eax,%eax +hist.*:: + hist.percentage:: + This option control the way to calculate overhead of filtered entries - + 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] -- 2.5.0
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