linux-kernel - Re: [PATCH 6/6] ftrace: show unlimited when traceon or traceoff has no counter

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Date:	Tue, 17 Feb 2009 20:29:38 -0500 (EST)
From:	Steven Rostedt <rostedt@...dmis.org>
To:	linux-kernel@...r.kernel.org
cc:	Ingo Molnar <mingo@...e.hu>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	"Luis Claudio R. Goncalves" <lclaudio@...g.org>,
	Steven Rostedt <srostedt@...hat.com>
Subject: Re: [PATCH 6/6] ftrace: show unlimited when traceon or traceoff has
 no counter


On Tue, 17 Feb 2009, Steven Rostedt wrote:

> From: Steven Rostedt <srostedt@...hat.com>
> 
> Impact: clean up
> 
> The traceon and traceoff function probes are confusing to developers
> to what happens when a counter is not specified. This should help
> clear things up.
> 
>  # echo "*:traceoff" > set_ftrace_filter

Silly cut and paste error. That should have been:

  # echo "do_fork:traceoff" > set_ftrace_filter

Oh well.

-- Steve

>  # cat /debug/tracing/set_ftrace_filter
> 
>   #### all functions enabled ####
>   do_fork:traceoff:unlimited
> 
> Signed-off-by: Steven Rostedt <srostedt@...hat.com>
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