linux-kernel - Re: [RFC/PATCHSET 00/14] perf report: Add support to accumulate hist periods (v2)

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Message-ID: <52821A3F.6000002@iki.fi>
Date:	Tue, 12 Nov 2013 14:08:31 +0200
From:	Pekka Enberg <penberg@....fi>
To:	David Ahern <dsahern@...il.com>, Ingo Molnar <mingo@...nel.org>,
	Namhyung Kim <namhyung@...nel.org>
CC:	Pekka Enberg <penberg@...nel.org>,
	Arnaldo Carvalho de Melo <acme@...stprotocols.net>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Paul Mackerras <paulus@...ba.org>,
	Namhyung Kim <namhyung.kim@....com>,
	LKML <linux-kernel@...r.kernel.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Stephane Eranian <eranian@...gle.com>,
	Jiri Olsa <jolsa@...hat.com>,
	Rodrigo Campos <rodrigo@...g.com.ar>,
	Arun Sharma <asharma@...com>
Subject: Re: [RFC/PATCHSET 00/14] perf report: Add support to accumulate hist
 periods (v2)

On 11/06/2013 05:33 PM, David Ahern wrote:
> On 11/6/13, 4:47 AM, Ingo Molnar wrote:
>> I'm not too worried about call-graph 'legacies': it generates such huge
>> perf.data files which is parsed so slowly at the moment that there's 
>> very
>> little user base ... Anyone who absolutely needs call-graph profiling 
>> uses
>> SysProf which performs well.
>
> Actually, perf with callchains is used quite heavily on my products. 
> One of the selling points of perf.

I use perf with callchains all the time as well.

                     Pekka
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