Re: [RFC] tracefs
[Posted October 28, 2009 by corbet]
| From: |
| Greg KH <greg-AT-kroah.com> |
| To: |
| Ingo Molnar <mingo-AT-elte.hu> |
| Subject: |
| Re: [RFC] tracefs |
| Date: |
| Tue, 27 Oct 2009 18:06:47 -0700 |
| Cc: |
| Steven Rostedt <rostedt-AT-goodmis.org>,
Frederic Weisbecker <fweisbec-AT-gmail.com>,
Ingo Molnar <mingo-AT-redhat.com>, linux-kernel-AT-vger.kernel.org,
Thomas Gleixner <tglx-AT-linutronix.de>,
Peter Zijlstra <a.p.zijlstra-AT-chello.nl> |
| Archive-link: |
| Article, Thread
|
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?
thanks,
greg k-h
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