Date: Tue, 30 Oct 2012 10:01:10 +0100
From: Ingo Molnar <mingo@kernel.org>
To: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Namhyung Kim <namhyung@kernel.org>, Arun Sharma <asharma@fb.com>,
        Arnaldo Carvalho de Melo <acme@ghostprotocols.net>,
        Paul Mackerras <paulus@samba.org>, LKML <linux-kernel@vger.kernel.org>,
        Frederic Weisbecker <fweisbec@gmail.com>,
        David Ahern <dsahern@gmail.com>, Jiri Olsa <jolsa@redhat.com>,
        Stephane Eranian <eranian@google.com>
Subject: Re: [RFC/PATCHSET 00/15] perf report: Add support to accumulate hist
 periods
Message-ID: <20121030090110.GA10193@gmail.com>
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* Peter Zijlstra <a.p.zijlstra@chello.nl> wrote:

> On Tue, 2012-10-30 at 15:59 +0900, Namhyung Kim wrote:

> > Yes, the callchain part needs to be improved.  Peter's idea 
> > indeed looks good to me too.
> 
> FWIW, I think this is exactly what sysprof does, except that 
> tool isn't usable for other reasons.. You might want to look 
> at it though.

I always found the fundamental sysprof system-wide call graph 
profiling output/view superior - and so do many Xorg developers 
who are using SysProf that I talked to - so I'd strongly 
encourage to use that ordering and grouping for the default perf 
call-graph profiling output/view.

Thanks,

	Ingo
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