linux-kernel - Re: ftrace not working?

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Date:	Wed, 25 Mar 2009 09:36:05 +0530
From:	Nikanth Karthikesan <knikanth@...e.de>
To:	Steven Rostedt <rostedt@...dmis.org>
Cc:	Frederic Weisbecker <fweisbec@...il.com>,
	Steven Rostedt <srostedt@...hat.com>, rusty@...tcorp.com.au,
	Ingo Molnar <mingo@...e.hu>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	linux-kernel@...r.kernel.org, stable@...nel.org
Subject: Re: ftrace not working?

On Wednesday 25 March 2009 07:51:34 Steven Rostedt wrote:
> On Tue, 24 Mar 2009, Frederic Weisbecker wrote:
> > > Steve, Can you merge this.
> > >
> > > Thanks
> > > Nikanth
> > >
> > > In tracer_alloc_buffers(), do not free tracing_cpumask and
> > > tracing_buffer_mask on success.
> > >
> > > Signed-off-by: Nikanth Karthikesan <knikanth@...e.de>
> > >
> > > ---
> > >
> > > diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
> > > index 17bb88d..98f609d 100644
> > > --- a/kernel/trace/trace.c
> > > +++ b/kernel/trace/trace.c
> > > @@ -3887,6 +3887,7 @@ __init static int tracer_alloc_buffers(void)
> > >
> > >  	register_die_notifier(&trace_die_notifier);
> > >  	ret = 0;
> > > +	goto out;
> >
> > Ah I see.
> > I've sent a fix for that already, it's on latest -tip
> > http://git.kernel.org/?p=linux/kernel/git/tip/linux-2.6-tip.git;a=commit;
> >h=2fc1dfbe17e7705c55b7a99da995fa565e26f151
>
> Nikanth,
>
> Could you varify that tip is not an issue for you.
>
>   http://people.redhat.com/~mingo/tip.git/readme.txt
>

Oh. That should fix it. It would be nice to have it in stable 2.6.29.1.

Thanks
Nikanth
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