From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751949AbYIEJY2 (ORCPT ); Fri, 5 Sep 2008 05:24:28 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750839AbYIEJYU (ORCPT ); Fri, 5 Sep 2008 05:24:20 -0400 Received: from ns1.q-leap.de ([153.94.51.193]:48340 "EHLO mail.q-leap.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750738AbYIEJYU (ORCPT ); Fri, 5 Sep 2008 05:24:20 -0400 From: Bernd Schubert To: Andi Kleen Subject: Re: frame unwinder patches Date: Fri, 5 Sep 2008 11:24:16 +0200 User-Agent: KMail/1.9.9 Cc: linux-kernel@vger.kernel.org References: <87tzcvvi4p.fsf@basil.nowhere.org> In-Reply-To: <87tzcvvi4p.fsf@basil.nowhere.org> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200809051124.17194.bs@q-leap.de> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thursday 04 September 2008 21:13:58 Andi Kleen wrote: > Bernd Schubert writes: > > Hello, > > > > up to 2.6.22 the -mm series had these nice frame unwinder patches, > > which gave beautiful stack traces. Unfortunately these frame unwinder > > patches seem to have been dropped :( > > > > Anyone still maintaining updated patches? > > The SUSE kernel rpm should have an uptodate set > > (ftp.suse.com/pub/projects/kernel/HEAD ) > Thanks Andi, found it! If someone else needs it, the correct path is ftp://ftp.suse.com/pub/projects/kernel/kotd/HEAD. > I agree that they were much better than the current unwinder, > also they didn't require slowing down the kernel with > frame pointers. What it the reason this patch isn't mainline? It provides better traces, doesn't slow down the kernel (which is important in our HPC envirement), so what is the disadvantage? Thanks again, Bernd -- Bernd Schubert Q-Leap Networks GmbH