Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754285AbYHQMp5 (ORCPT ); Sun, 17 Aug 2008 08:45:57 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755279AbYHQMp1 (ORCPT ); Sun, 17 Aug 2008 08:45:27 -0400 Received: from minas.ics.muni.cz ([147.251.4.40]:35068 "EHLO minas.ics.muni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754243AbYHQMpZ (ORCPT ); Sun, 17 Aug 2008 08:45:25 -0400 Date: Sun, 17 Aug 2008 14:45:11 +0200 From: Lukas Hejtmanek To: Soeren Sandmann Cc: linux-kernel@vger.kernel.org, mingo@redhat.com Subject: Re: sysprof in 2.6.27 kernel Message-ID: <20080817124511.GS4674@ics.muni.cz> References: <20080813083953.GF19333@ics.muni.cz> <20080814111022.GC4674@ics.muni.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-2 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: X-echelon: NSA, CIA, CI5, MI5, FBI, KGB, BIS, Plutonium, Bin Laden, bomb User-Agent: Mutt/1.5.18 (2008-05-17) X-Muni-Spam-TestIP: 81.31.45.161 X-Muni-Envelope-From: xhejtman@anubis.ics.muni.cz X-Muni-Virus-Test: Clean X-Greylist: Sender succeeded SMTP AUTH authentication, not delayed by milter-greylist-3.0 (minas.ics.muni.cz [147.251.4.35]); Sun, 17 Aug 2008 14:45:10 +0200 (CEST) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 698 Lines: 18 On Sat, Aug 16, 2008 at 04:50:30AM +0200, Soeren Sandmann wrote: > This may be because sysprof user space is not running as root, or it > may be because the kernel is generating bogus addresses. if I do not run it as root, the collecor does not start at all. > Generally, "No Map" means sysprof is seeing samples in memory regions > that are not in /proc//maps yes, that could be because only null addresses are received. -- Luk?? Hejtm?nek -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/