linux-kernel - Re: ftrace not working?

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Message-ID: <alpine.DEB.2.00.0903250018320.30572@gandalf.stny.rr.com>
Date:	Wed, 25 Mar 2009 00:19:14 -0400 (EDT)
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Nikanth Karthikesan <knikanth@...e.de>
cc:	Frederic Weisbecker <fweisbec@...il.com>,
	Steven Rostedt <srostedt@...hat.com>,
	Rusty Russell <rusty@...tcorp.com.au>,
	Ingo Molnar <mingo@...e.hu>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	LKML <linux-kernel@...r.kernel.org>, stable@...nel.org,
	gregkh@...e.de
Subject: Re: ftrace not working?




On Wed, 25 Mar 2009, Nikanth Karthikesan wrote:

> 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.

When it is pulled into Linus's tree, I'll send an note to Greg asking him 
to include it into stable.

Thanks,

-- Steve

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