Re: [RFC] tracefs

Ingo Molnar
2009-10-29T08:04:33Z

* Greg KH <greg@kroah.com> wrote:

> On Fri, Oct 23, 2009 at 07:32:37AM +0200, Ingo Molnar wrote:
> >
> > * Greg KH <greg@kroah.com> wrote:
> >
> > > Hi all,
> > >
> > > At LinuxCon this year, Steven and I talked about moving the
> > > debugfs usage in the tracing core to a stand-alone filesystem to
> > > give the ability to start to lock down the api so that people an
> > > count on what is going on in the tracing userspace interface.
> >
> > What we want to move out initially (and i talked to Steve and
> > Frederic about that a few weeks ago) is the event description bits -
> > the format stuff in /debug/tracing/events/ - but definitely not all
> > the other, rather messy and ad-hoc APIs.
> >
> > _No way_ do we want to tie down the pretty-printing ftrace details
> > as an ABI. We promised that when ftrace went upstream and all the
> > details are way too messy to be exposed in an ABI alike matter (and
> > yes, consider this a NAK Steve ;-).
>
> Ok, I'll drop this. There was some cleanups I found, I'll pick those
> out and send them on. What tree should I base off of to send cleanup
> patches to?

The tip of the tracing tree is in tip:tracing/core, you can find it at:

git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip.git tracing/core

Thanks,

Ingo