Messages in this thread Patch in this message | | | From | Taeung Song <> | Subject | [PATCH v13 06/23] perf config: Document 'hist.percentage' variable in man page | Date | Fri, 8 Jan 2016 20:39:36 +0900 |
| |
Explain 'hist.percentage' variable.
Cc: Namhyung Kim <namhyung@kernel.org> Cc: Jiri Olsa <jolsa@kernel.org> Signed-off-by: Taeung Song <treeze.taeung@gmail.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 aaf1791..b9892e5 100644 --- a/tools/perf/Documentation/perf-config.txt +++ b/tools/perf/Documentation/perf-config.txt @@ -282,6 +282,23 @@ help.*:: help.format:: A format of manual page can be 'man' that is default. +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
| |