Re: [PATCH v13 06/23] perf config: Document 'hist.percentage' variable in man page

From: Taeung Song
Date: Fri Jan 22 2016 - 03:03:50 EST




On 01/21/2016 11:54 PM, Arnaldo Carvalho de Melo wrote:
Em Fri, Jan 08, 2016 at 08:39:36PM +0900, Taeung Song escreveu:
Explain 'hist.percentage' variable.

Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Signed-off-by: Taeung Song <treeze.taeung@xxxxxxxxx>
---
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%).

Ditto, this one can be toggled interactively using 'F'


I got it.
As I say on previous mail,
Would I work new patchset for hotkeys information ?


Thanks,
Taeung