linux-kernel - Re: [PATCH v2] perf report/top: Add option to collapse undesired parts of call graph

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Message-ID: <20130708164726.GB3028@ghostprotocols.net>
Date:	Mon, 8 Jul 2013 13:47:26 -0300
From:	Arnaldo Carvalho de Melo <acme@...stprotocols.net>
To:	Jiri Olsa <jolsa@...hat.com>
Cc:	Greg Price <price@....edu>, linux-kernel@...r.kernel.org,
	Namhyung Kim <namhyung@...nel.org>,
	Ingo Molnar <mingo@...hat.com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Paul Mackerras <paulus@...ba.org>,
	David Ahern <dsahern@...il.com>
Subject: Re: [PATCH v2] perf report/top: Add option to collapse undesired
 parts of call graph

Em Mon, Jul 08, 2013 at 06:24:52PM +0200, Jiri Olsa escreveu:
> On Mon, Jul 08, 2013 at 07:57:46AM -0400, Greg Price wrote:
> > For example, in an application with an expensive function
> > implemented with deeply nested recursive calls, the default
> > call-graph presentation is dominated by the different callchains
> > within that function.  By ignoring these callees, we can collect the
> > callchains leading into the function and compactly identify what to
> > blame for expensive calls.
 
> change looks ok, but I'm not that confident in this part, so at least:
 
> Tested-by: Jiri Olsa <jolsa@...hat.com>

Thanks, applied.

- Arnaldo
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