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| Started by | tip-bot for Taeung Song <tipbot@zytor.com> |
|---|---|
| First post | 2016-02-03 11:20 +0100 |
| Last post | 2016-02-03 11:20 +0100 |
| Articles | 1 — 1 participant |
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[tip:perf/core] perf config: Document 'hist.percentage' variable in man page tip-bot for Taeung Song <tipbot@zytor.com> - 2016-02-03 11:20 +0100
| From | tip-bot for Taeung Song <tipbot@zytor.com> |
|---|---|
| Date | 2016-02-03 11:20 +0100 |
| Subject | [tip:perf/core] perf config: Document 'hist.percentage' variable in man page |
| Message-ID | <qY2Hx-DD-61@gated-at.bofh.it> |
Commit-ID: 485311d97863f2810646e17c8075be2992225f98 Gitweb: http://git.kernel.org/tip/485311d97863f2810646e17c8075be2992225f98 Author: Taeung Song <treeze.taeung@gmail.com> AuthorDate: Fri, 8 Jan 2016 20:39:36 +0900 Committer: Arnaldo Carvalho de Melo <acme@redhat.com> CommitDate: Tue, 26 Jan 2016 11:52:48 -0300 perf config: Document 'hist.percentage' variable in man page Explain 'hist.percentage' variable. Signed-off-by: Taeung Song <treeze.taeung@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.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@redhat.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 cb7ca50..74589c6 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]
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