Re: ftrace not working?

[Frederic Weisbecker <fweisbec@gmail.com>]

On Mon, Mar 23, 2009 at 02:14:20PM +0530, Nikanth Karthikesan wrote:
> On Monday 23 March 2009 14:11:59 Frederic Weisbecker wrote:
> > On Mon, Mar 23, 2009 at 08:15:39AM +0100, Frederic Weisbecker wrote:
> > > On Mon, Mar 23, 2009 at 12:08:03PM +0530, Nikanth Karthikesan wrote:
> > > > Hi
> > > >
> > > > I tried ftrace with the linus git 2.6.29 rc-6, & rc-8, but I always
> > > > seem to get empty trace! Am I doing something wrong?
> > >
> > > Hi Nikanth,
> > >
> > > Does latest -tip tree work for you with about the same config?
> > >
> > > http://people.redhat.com/mingo/tip.git/readme.txt
> > >
> > > Thanks,
> > > Frederic.
> >
> > I've tested your config on latest mainline but not problem
> > occured with the sched switch tracer.
> >
> > Does it work with other tracers?
> 
> I tried "function" as well. None of the tracers seems to work.
> 
> Thanks
> Nikanth


Could you send your dmesg please?