linux-kernel - Re: [PATCH 15/19] perf tools: Add document for perf-ftrace command

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Message-ID: <20130710142218.GB5931@krava.brq.redhat.com>
Date:	Wed, 10 Jul 2013 16:22:19 +0200
From:	Jiri Olsa <jolsa@...hat.com>
To:	Namhyung Kim <namhyung@...nel.org>
Cc:	Arnaldo Carvalho de Melo <acme@...stprotocols.net>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Paul Mackerras <paulus@...ba.org>,
	Ingo Molnar <mingo@...nel.org>,
	Namhyung Kim <namhyung.kim@....com>,
	LKML <linux-kernel@...r.kernel.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	David Ahern <dsahern@...il.com>,
	Stephane Eranian <eranian@...gle.com>
Subject: Re: [PATCH 15/19] perf tools: Add document for perf-ftrace command

On Wed, Jun 26, 2013 at 04:14:18PM +0900, Namhyung Kim wrote:
> From: Namhyung Kim <namhyung.kim@....com>
> 
> Cc: Steven Rostedt <rostedt@...dmis.org>
> Cc: Frederic Weisbecker <fweisbec@...il.com>
> Signed-off-by: Namhyung Kim <namhyung@...nel.org>
> ---

SNIP

> +OPTIONS
> +-------
> +<command>...::
> +	Any command you can specify in a shell.
> +
> +-t::
> +--tracer=::
> +        The ftrace tracer to be used (default: function_graph).
> +	Currently only 'function' and 'function_graph' are supported.
> +        Used by 'live' and 'record' subcommands only.

hum, 'live' subcommand  supports whatever is available in
'available_tracers' file, right?

and displays whatever gets into 'trace' .. which I think
is useful and should stay like that

jirka
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