linux-kernel - Re: [PATCH v2] perf: add callgrind conversion tool

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Message-ID: <87a9ppgvbk.fsf@sejong.aot.lge.com>
Date:	Wed, 27 Mar 2013 16:23:27 +0900
From:	Namhyung Kim <namhyung@...nel.org>
To:	Roberto Vitillo <ravitillo@....gov>
Cc:	linux-kernel@...r.kernel.org, a.p.zijlstra@...llo.nl,
	paulus@...ba.org, mingo@...hat.com, acme@...stprotocols.net
Subject: Re: [PATCH v2] perf: add callgrind conversion tool

Hi Roberto,

On Tue, 26 Mar 2013 12:14:49 -0700, Roberto Vitillo wrote:
> The proposed patch adds the convert tool to perf which allows to convert a
> perf.data file to a set of callgrind data files which can subsequently be
> displayed with kcachegrind.
>
> Note that the code may trigger the following bug in libbfd:
> http://sourceware.org/bugzilla/show_bug.cgi?id=15106

Does it now support call graph too?  Great if so!

Anyway, I suggest that splitting patch to two - one for addr2line and
another for actual 'convert' tool.  I think we *can* use the tool
without libbfd (but with external addr2line binary or even with no line
number information).

And it seems there's some linewraps.

Thanks,
Namhyung
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