linux-kernel - Re: [PATCH 1/2 v2] tracing/ftrace: handle more than one stat file per tracer

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Date:	Wed, 7 Jan 2009 22:50:35 -0500 (EST)
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Frederic Weisbecker <fweisbec@...il.com>
cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Ingo Molnar <mingo@...e.hu>
Subject: Re: [PATCH 1/2 v2] tracing/ftrace: handle more than one stat file
 per tracer


On Wed, 7 Jan 2009, Frederic Weisbecker wrote:

> Impact: new API for tracers
> 
> Make the stat tracing API reentrant. And also provide the new directory
> /debugfs/tracing/trace_stat which will contain all the stat files for the
> current active tracer.
> 
> Now a tracer will, if desired, want to provide a zero terminated array of
> tracer_stat structures.
> Each one contains the callbacks necessary for one stat file.
> It have to provide at least a name for its stat file, an iterator with
> stat_start/start_next callback and an output callback for one stat entry.
> 
> Changes in v2:
> 

Hi Frederic,

This patch fails to compile the branch tracer by itself. No patch should 
break a build (for bisecting reasons).

-- Steve

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