From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761488AbYD3M1m (ORCPT ); Wed, 30 Apr 2008 08:27:42 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754174AbYD3M13 (ORCPT ); Wed, 30 Apr 2008 08:27:29 -0400 Received: from smtp1.linux-foundation.org ([140.211.169.13]:50880 "EHLO smtp1.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752719AbYD3M13 (ORCPT ); Wed, 30 Apr 2008 08:27:29 -0400 Date: Wed, 30 Apr 2008 05:26:31 -0700 From: Andrew Morton To: Markus Metzger Cc: andi-suse@firstfloor.org, hpa@zytor.com, linux-kernel@vger.kernel.org, mingo@elte.hu, tglx@linutronix.de, markus.t.metzger@gmail.com, suresh.b.siddha@intel.com, roland@redhat.com, mtk.manpages@gmail.com, eranian@googlemail.com, juan.villacis@intel.com Subject: Re: [patch] x86, ptrace: in-kernel BTS interface Message-Id: <20080430052631.3d182670.akpm@linux-foundation.org> In-Reply-To: <20080430135440.A359@sedona.ch.intel.com> References: <20080430135440.A359@sedona.ch.intel.com> X-Mailer: Sylpheed 2.4.8 (GTK+ 2.12.5; x86_64-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 30 Apr 2008 13:54:40 +0200 Markus Metzger 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.