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Date: Wed, 06 Nov 2013 08:33:14 -0700
From: David Ahern <dsahern@gmail.com>
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To: Ingo Molnar <mingo@kernel.org>, Namhyung Kim <namhyung@kernel.org>
CC: Pekka Enberg <penberg@kernel.org>,
        Arnaldo Carvalho de Melo <acme@ghostprotocols.net>,
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        Frederic Weisbecker <fweisbec@gmail.com>,
        Stephane Eranian <eranian@google.com>, Jiri Olsa <jolsa@redhat.com>,
        Rodrigo Campos <rodrigo@sdfg.com.ar>, Arun Sharma <asharma@fb.com>
Subject: Re: [RFC/PATCHSET 00/14] perf report: Add support to accumulate hist
 periods (v2)
References: <20131101075502.GA25547@gmail.com> <874n7w4gtm.fsf@sejong.aot.lge.com> <20131101092759.GC27063@gmail.com> <87bo1zz4mu.fsf@sejong.aot.lge.com> <20131105074650.GA2855@gmail.com> <87txfrxlq8.fsf@sejong.aot.lge.com> <20131105115802.GA12045@gmail.com> <87ppqex8tj.fsf@sejong.aot.lge.com> <20131106083046.GA4655@gmail.com> <87r4atx51i.fsf@sejong.aot.lge.com> <20131106114701.GA20249@gmail.com>
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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