From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754658Ab1GDOKn (ORCPT ); Mon, 4 Jul 2011 10:10:43 -0400 Received: from mx1.redhat.com ([209.132.183.28]:11018 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751842Ab1GDOKk (ORCPT ); Mon, 4 Jul 2011 10:10:40 -0400 Message-ID: <4E11C9CC.2070909@redhat.com> Date: Mon, 04 Jul 2011 17:10:20 +0300 From: Avi Kivity User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.17) Gecko/20110428 Fedora/3.1.10-1.fc15 Thunderbird/3.1.10 MIME-Version: 1.0 To: Frederic Weisbecker CC: Will Deacon , "linux-kernel@vger.kernel.org" , "kvm@vger.kernel.org" , Ingo Molnar , "a.p.zijlstra@chello.nl" , "acme@ghostprotocols.net" , Jason Wessel Subject: Re: [PATCH 1/3] perf: add context field to perf_event References: <1309362157-6596-1-git-send-email-avi@redhat.com> <1309362157-6596-2-git-send-email-avi@redhat.com> <20110629160841.GA2032@somewhere> <20110629162725.GH15521@e102144-lin.cambridge.arm.com> <20110704135820.GD5551@somewhere> In-Reply-To: <20110704135820.GD5551@somewhere> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 07/04/2011 04:58 PM, Frederic Weisbecker wrote: > Another thing I would like to do in the even longer term is to not use perf anymore > for ptrace breakpoints, because that involves a heavy dependency and few people are > happy with that. Instead we should just have a generic hook into the sched_switch() > and handle pure ptrace breakpoints there. The central breakpoint API would still be > there to reserve/schedule breakpoint resources between ptrace and perf. > 'struct preempt_notifier' may be the hook you're looking for. -- error compiling committee.c: too many arguments to function