linux-kernel - Re: [PATCH 1/4] perf tools: Split -g and --call-graph for record command

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Message-ID: <20131029101850.GB1093@krava.brq.redhat.com>
Date:	Tue, 29 Oct 2013 11:18:50 +0100
From:	Jiri Olsa <jolsa@...hat.com>
To:	Namhyung Kim <namhyung@...nel.org>
Cc:	linux-kernel@...r.kernel.org,
	Corey Ashford <cjashfor@...ux.vnet.ibm.com>,
	David Ahern <dsahern@...il.com>, Ingo Molnar <mingo@...e.hu>,
	Paul Mackerras <paulus@...ba.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Andi Kleen <andi@...stfloor.org>,
	Adrian Hunter <adrian.hunter@...el.com>
Subject: Re: [PATCH 1/4] perf tools: Split -g and --call-graph for record
 command

On Mon, Oct 28, 2013 at 04:59:16PM +0900, Namhyung Kim wrote:
> Hi Jiri,
> 
> On Sat, 26 Oct 2013 16:25:33 +0200, Jiri Olsa wrote:
> > Splitting -g and --call-graph for record command, so we could
> > use '-g' with no option.
> >
> > The '-g' option now takes NO argument and enables the configured
> > unwind method, which is currently the frame pointers method.
> >
> > It will be possible to configure unwind method via config
> > file in upcoming patches.
> >
> > All current '-g' arguments is overtaken by --call-graph option.
> 
>   $ perf record --call-graph none -- true
>   callchain: Unknown -g option value: none
> 
> It should be
> 
>   callchain: Unknown --call-graph option value: none

ok
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