diff options
| author | Taeung Song <treeze.taeung@gmail.com> | 2016-01-08 20:39:36 +0900 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2016-01-26 11:52:48 -0300 |
| commit | 485311d97863f2810646e17c8075be2992225f98 (patch) | |
| tree | b7c843abded2fbc95afc4a5c0b8787464da00908 /tools/perf/Documentation/perf-config.txt | |
| parent | 3b97629d139b19cbcd15b0b3c128a4d6587d2091 (diff) | |
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>
Diffstat (limited to 'tools/perf/Documentation/perf-config.txt')
| -rw-r--r-- | tools/perf/Documentation/perf-config.txt | 17 |
1 files changed, 17 insertions, 0 deletions
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] |