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

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Date:	Fri, 22 Jan 2016 17:03:37 +0900
From:	Taeung Song <treeze.taeung@...il.com>
To:	Arnaldo Carvalho de Melo <arnaldo.melo@...il.com>
Cc:	linux-kernel@...r.kernel.org, Jiri Olsa <jolsa@...nel.org>,
	Namhyung Kim <namhyung@...nel.org>,
	Ingo Molnar <mingo@...nel.org>
Subject: Re: [PATCH v13 06/23] perf config: Document 'hist.percentage'
 variable in man page



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@...nel.org>
>> Cc: Jiri Olsa <jolsa@...nel.org>
>> Signed-off-by: Taeung Song <treeze.taeung@...il.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%).
>
> 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