Re: [PATCH 1/2 v2] tracing/ftrace: handle more than one stat fileper tracer

From: Steven Rostedt
Date: Wed Jan 07 2009 - 22:50:47 EST



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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