linux-kernel - Re: Unified tracing buffer

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Message-ID: <20080924054200.GA7103@in.ibm.com>
Date:	Wed, 24 Sep 2008 11:12:00 +0530
From:	"K.Prasad" <prasad@...ux.vnet.ibm.com>
To:	Tom Zanussi <zanussi@...cast.net>
Cc:	Martin Bligh <mbligh@...gle.com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Mathieu Desnoyers <compudj@...stal.dyndns.org>,
	Steven Rostedt <rostedt@...dmis.org>, od@...e.com,
	"Frank Ch. Eigler" <fche@...hat.com>,
	Andrew Morton <akpm@...ux-foundation.org>, hch@....de,
	David Wilder <dwilder@...ibm.com>
Subject: Re: Unified tracing buffer

On Tue, Sep 23, 2008 at 10:50:15PM -0500, Tom Zanussi wrote:
> 
> On Tue, 2008-09-23 at 07:00 -0700, Martin Bligh wrote:
> > > - get rid of anything having to do with padding, nobody needs it and its
> > > only affect has been to horribly distort and complicate a lot of the
> > > code
> > > - get rid of sub-buffers, they just cause confusion
> > > - get rid of mmap, nobody uses it
> > > - no sub-buffers and no mmap support means we can get rid of most of the
> > > callbacks, and a lot of API confusion along with them
> > > - add relay flags - they probably should have been used from the
> > > beginning and options made explicit instead of being shoehorned into the
> > > callback functions.
> > 
> > Actually, I think if you did all that, it'd be pretty close to what we
> > want anyway ...
> 
> OK, then, I'll continue with the cleanup patchset and see where it
> goes...
> 
> Tom
>
Hi Tom,
	Kindly let us know if the patches are available in some
downloadable location or have been maintained in a git tree.

I'm planning to re-base the relay_* interfaces (erstwhile 'trace' code),
to work on top of your patches.

Thanks,
K.Prasad
 
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