linux-kernel - Re: [patch] x86, ptrace: in-kernel BTS interface

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Message-Id: <20080430052631.3d182670.akpm@linux-foundation.org>
Date:	Wed, 30 Apr 2008 05:26:31 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Markus Metzger <markus.t.metzger@...el.com>
Cc:	andi-suse@...stfloor.org, hpa@...or.com,
	linux-kernel@...r.kernel.org, mingo@...e.hu, tglx@...utronix.de,
	markus.t.metzger@...il.com, suresh.b.siddha@...el.com,
	roland@...hat.com, mtk.manpages@...il.com, eranian@...glemail.com,
	juan.villacis@...el.com
Subject: Re: [patch] x86, ptrace: in-kernel BTS interface

On Wed, 30 Apr 2008 13:54:40 +0200 Markus Metzger <markus.t.metzger@...el.com> wrote:

> Provide an in-kernel interface to Branch Trace Store and implement the
> ptrace user interface on top of it.
> 
> Fix a few bugs that were detected during the perfmon2 adaptation to
> the DS interface by Stephane Eranian.
> 
> The ptrace implementation becomes a rather thin layer that only
> forwards requests.
> 
> The BTS interface may later be morphed into a utrace interface for
> execution trace, or it may be used to implement such a utrace
> interface on top of it.

This appears to be against a version of x86-ptrace-pebs-support
which I don't have.

I dropped everything - let's start again.
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