linux-kernel - Re: [PATCH 4/8] perf top: Add --percentage option

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Message-ID: <87ios5vww2.fsf@sejong.aot.lge.com>
Date:	Mon, 24 Feb 2014 15:37:49 +0900
From:	Namhyung Kim <namhyung@...nel.org>
To:	Jiri Olsa <jolsa@...hat.com>
Cc:	Arnaldo Carvalho de Melo <acme@...stprotocols.net>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Ingo Molnar <mingo@...nel.org>,
	Paul Mackerras <paulus@...ba.org>,
	Namhyung Kim <namhyung.kim@....com>,
	LKML <linux-kernel@...r.kernel.org>,
	David Ahern <dsahern@...il.com>,
	Andi Kleen <andi@...stfloor.org>
Subject: Re: [PATCH 4/8] perf top: Add --percentage option

On Thu, 20 Feb 2014 11:44:40 +0100, Jiri Olsa wrote:
> On Mon, Feb 10, 2014 at 11:47:21AM +0900, Namhyung Kim wrote:
>> The --percentage option is for controlling overhead percentage
>> displayed.  It can only receive either of "relative" or "absolute".
>> 
>> For more information, please see previous commit same thing done to
>> "perf report".
>> 
>> Signed-off-by: Namhyung Kim <namhyung@...nel.org>
>> ---
>
> SNIP
>
>>  
>> diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
>> index ed99ec4a309f..a516e0389c5e 100644
>> --- a/tools/perf/builtin-top.c
>> +++ b/tools/perf/builtin-top.c
>> @@ -1011,6 +1011,20 @@ parse_percent_limit(const struct option *opt, const char *arg,
>>  	return 0;
>>  }
>>  
>> +static int
>> +parse_percentage(const struct option *opt __maybe_unused, const char *arg,
>> +		 int unset __maybe_unused)
>> +{
>> +	if (!strcmp(arg, "relative"))
>> +		symbol_conf.filter_relative = true;
>> +	else if (!strcmp(arg, "absolute"))
>> +		symbol_conf.filter_relative = false;
>> +	else
>> +		return -1;
>> +
>> +	return 0;
>> +}
>
> please make one of parse_percentage functions public and
> share it among report/top/diff commands

Okay.

Thanks,
Namhyung
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