From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753905Ab3LTPCS (ORCPT ); Fri, 20 Dec 2013 10:02:18 -0500 Received: from mail-pd0-f178.google.com ([209.85.192.178]:42404 "EHLO mail-pd0-f178.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751325Ab3LTPCR (ORCPT ); Fri, 20 Dec 2013 10:02:17 -0500 Message-ID: <52B45BF6.1060701@gmail.com> Date: Fri, 20 Dec 2013 08:02:14 -0700 From: David Ahern User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:24.0) Gecko/20100101 Thunderbird/24.2.0 MIME-Version: 1.0 To: Dongsheng Yang , acme@ghostprotocols.net, linux-kernel@vger.kernel.org CC: mingo@kernel.org, namhyung.kim@lge.com, jolsa@redhat.com Subject: Re: [PATCH 0/7 V2] Add support of user space symboles for guest. References: In-Reply-To: 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 12/20/13, 1:52 PM, Dongsheng Yang wrote: > Hi Arnaldo: > Please help to review this patchset. > > Changelog: > - v2: > * splite the first commit. > At best you are creating knowledge of running tasks in the VMs when the perf session is started. That's it. That information cannot be used since the host has no idea what task is running in a VM at any given moment. No insight into process creation, mmaps, exits, etc. David