Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754842AbYHQMo3 (ORCPT ); Sun, 17 Aug 2008 08:44:29 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752699AbYHQMoV (ORCPT ); Sun, 17 Aug 2008 08:44:21 -0400 Received: from minas.ics.muni.cz ([147.251.4.40]:34988 "EHLO minas.ics.muni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752671AbYHQMoV (ORCPT ); Sun, 17 Aug 2008 08:44:21 -0400 Date: Sun, 17 Aug 2008 14:44:04 +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: <20080817124404.GR4674@ics.muni.cz> References: <20080813083953.GF19333@ics.muni.cz> <20080814115620.GD4674@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 14:44:04 +0200 (CEST) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 795 Lines: 18 On Sat, Aug 16, 2008 at 04:52:54AM +0200, Soeren Sandmann wrote: > > and another one. sysproc gui reads user addresses from the sysprof pipe with > > null pointers. is this ok or is this a bug in sysprof kernel module? > > That is not ok, but it could happen if the process in question was not > compiled with framepointers. Or it could be a bug in the kernel code. I tried to put printf in case that sysprof gui receives non null address from the kernel. None print was displayed, so it seems ti receives only null addresses. -- 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/