From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751738Ab0CXFJx (ORCPT ); Wed, 24 Mar 2010 01:09:53 -0400 Received: from one.firstfloor.org ([213.235.205.2]:41494 "EHLO one.firstfloor.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751394Ab0CXFJv (ORCPT ); Wed, 24 Mar 2010 01:09:51 -0400 To: Joerg Roedel Cc: Avi Kivity , Anthony Liguori , Ingo Molnar , Pekka Enberg , "Zhang, Yanmin" , Peter Zijlstra , Sheng Yang , linux-kernel@vger.kernel.org, kvm@vger.kernel.org, Marcelo Tosatti , Jes Sorensen , Gleb Natapov , Zachary Amsden , ziteng.huang@intel.com, Arnaldo Carvalho de Melo , Fr?d?ric Weisbecker , Gregory Haskins Subject: Re: [RFC] Unify KVM kernel-space and user-space code into a single project From: Andi Kleen References: <4BA796DF.7090005@redhat.com> <20100322165107.GD18796@elte.hu> <4BA7A406.9050203@redhat.com> <20100322173400.GB15795@elte.hu> <4BA7B9E0.5080009@codemonkey.ws> <20100322192739.GE21919@elte.hu> <4BA7C96D.2020702@redhat.com> <4BA7E9D9.5060800@codemonkey.ws> <20100323140608.GJ1940@8bytes.org> <4BA8EEDE.8070309@redhat.com> <20100323182153.GA14800@8bytes.org> Date: Wed, 24 Mar 2010 06:09:45 +0100 In-Reply-To: <20100323182153.GA14800@8bytes.org> (Joerg Roedel's message of "Tue, 23 Mar 2010 19:21:53 +0100") Message-ID: <87hbo6fgpy.fsf@basil.nowhere.org> User-Agent: Gnus/5.1008 (Gnus v5.10.8) Emacs/22.3 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Joerg Roedel writes: > > Sidenote: I really think we should come to a conclusion about the > concept. KVM integration into perf is very useful feature to > analyze virtualization workloads. Agreed. I especially would like to see instruction/branch tracing working this way. This would a lot of the benefits of a simulator on a real CPU. -Andi -- ak@linux.intel.com -- Speaking for myself only.