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

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Message-ID: <527A613A.20404@gmail.com>
Date:	Wed, 06 Nov 2013 08:33:14 -0700
From:	David Ahern <dsahern@...il.com>
To:	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 11/6/13, 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.

David

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