From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754517AbYHPCum (ORCPT ); Fri, 15 Aug 2008 22:50:42 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751913AbYHPCud (ORCPT ); Fri, 15 Aug 2008 22:50:33 -0400 Received: from nfitmail.nfit.au.dk ([130.225.31.129]:13992 "EHLO smtp.nfit.au.dk" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751860AbYHPCud (ORCPT ); Fri, 15 Aug 2008 22:50:33 -0400 To: Lukas Hejtmanek Cc: linux-kernel@vger.kernel.org, mingo@redhat.com Subject: Re: sysprof in 2.6.27 kernel References: <20080813083953.GF19333@ics.muni.cz> <20080814111022.GC4674@ics.muni.cz> From: Soeren Sandmann Date: 16 Aug 2008 04:50:30 +0200 In-Reply-To: <20080814111022.GC4674@ics.muni.cz> Message-ID: User-Agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.4 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 Lukas Hejtmanek writes: > On Thu, Aug 14, 2008 at 01:23:16AM +0200, Soeren Sandmann wrote: > > It's somewhat rough still. If you try it out, I will be interested in > > any feedback you have. > > another feedback. I got No map at all processes even at those I got debug info > installed. This may be because sysprof user space is not running as root, or it may be because the kernel is generating bogus addresses. Generally, "No Map" means sysprof is seeing samples in memory regions that are not in /proc//maps Soren