linux-kernel - Re: [PATCHSET 0/8] perf tools: Fix scalability problem on callchain merging (v5)

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Date:	Sat, 12 Oct 2013 13:42:51 -0600
From:	David Ahern <dsahern@...il.com>
To:	Ingo Molnar <mingo@...nel.org>
CC:	Jiri Olsa <jolsa@...hat.com>, Namhyung Kim <namhyung@...nel.org>,
	Arnaldo Carvalho de Melo <acme@...stprotocols.net>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Paul Mackerras <paulus@...ba.org>,
	Namhyung Kim <namhyung.kim@....com>,
	LKML <linux-kernel@...r.kernel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Frederic Weisbecker <fweisbec@...il.com>
Subject: Re: [PATCHSET 0/8] perf tools: Fix scalability problem on callchain
 merging (v5)

On 10/12/13 10:53 AM, Ingo Molnar wrote:
>
> * David Ahern <dsahern@...il.com> wrote:
>
>> On 10/11/13 9:11 AM, David Ahern wrote:
>>> It would be nice to fix the callchain arg handler to not attempt to
>>> process the next argument if it is not fp or dwarf.
>>
>> Specifically, something like this which maintains syntax and default
>> fp option:
>
> Lets not maintain a broken syntax please - breaking the very simple -ga
> was the primary regression to begin with, so lets fix that.

I think I did with the second follow up patch: -ga -ag -g fp -g dwarf 
should all work properly with fp the default for -g.

David

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