linux-kernel - Re: Segfault in perf tool

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Message-ID: <87zk11s8j3.fsf@sejong.aot.lge.com>
Date:	Wed, 26 Dec 2012 14:10:40 +0900
From:	Namhyung Kim <namhyung@...nel.org>
To:	Stefan Beller <stefanbeller@...glemail.com>
Cc:	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	"Paul Mackerras \(supporter\:PERFORMANCE EVENT...\)" 
	<paulus@...ba.org>,
	"Ingo Molnar \(supporter\:PERFORMANCE EVENT...\
	,commit_signer\:2\/9\=22%\)" <mingo@...hat.com>,
	"Arnaldo Carvalho de Melo \(supporter\:PERFORMANCE EVENT... \
	,commit_signer\:7\/9\=78%\)" <acme@...stprotocols.net>,
	"Stephane Eranian \(commit_signer\:2\/9\=22%\)" <eranian@...gle.com>,
	"Anton Blanchard \(commit_signer\:1\/9\=11%\)" <anton@...ba.org>,
	open list <linux-kernel@...r.kernel.org>
Subject: Re: Segfault in perf tool

Hi Stefan,

On Sun, 23 Dec 2012 22:18:32 +0100, Stefan Beller wrote:
> Hi,
>
> I get segmentation faults when running one of these commands:
> perf report -g --sort symbol_to
> perf report -g --sort symbol_from
> perf report -g --sort dso_from
> perf report -g --sort dso_to

Those sort keys are only applicable for branch filtered perf.data file
(i.e. recorded with -j or -b option) and should not be used for others.
I'll work on the fix soon.

Thanks,
Namhyung

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