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

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Date:	Fri, 11 Oct 2013 15:04:41 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	Namhyung Kim <namhyung@...nel.org>, Jiri Olsa <jolsa@...hat.com>,
	Arnaldo Carvalho de Melo <acme@...stprotocols.net>,
	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 Fri, Oct 11, 2013 at 02:59:35PM +0200, Ingo Molnar wrote:
> So, why not keep -g as a shortcut to whatever default call-graph profiling 
> we want to provide (note, this does not mean it always has to be 'fp'), 
> and use --call-graph for more specific variants?
> 
> a .perfconfig value could even set the default for '-g', so that you don't 
> have to type '--call-graph dwarf' all the time.


Another, slightly related annoyance I have is with -B, we default to
--big-num so -B is utterly useless, and the only remaining option is
--no-big-num.

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