Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751628AbWIUVy0 (ORCPT ); Thu, 21 Sep 2006 17:54:26 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750934AbWIUVy0 (ORCPT ); Thu, 21 Sep 2006 17:54:26 -0400 Received: from tomts25.bellnexxia.net ([209.226.175.188]:6113 "EHLO tomts25-srv.bellnexxia.net") by vger.kernel.org with ESMTP id S1751627AbWIUVyZ (ORCPT ); Thu, 21 Sep 2006 17:54:25 -0400 Date: Thu, 21 Sep 2006 17:49:14 -0400 From: Mathieu Desnoyers To: Ingo Molnar Cc: Martin Bligh , "Frank Ch. Eigler" , Masami Hiramatsu , prasanna@in.ibm.com, Andrew Morton , Paul Mundt , linux-kernel , Jes Sorensen , Tom Zanussi , Richard J Moore , Michel Dagenais , Christoph Hellwig , Greg Kroah-Hartman , Thomas Gleixner , William Cohen , ltt-dev@shafik.org, systemtap@sources.redhat.com, Alan Cox Subject: Re: [PATCH] Linux Kernel Markers 0.5 for Linux 2.6.17 (with probe management) Message-ID: <20060921214914.GA31303@Krystal> References: <20060921160009.GA30115@Krystal> <20060921160656.GA24774@elte.hu> <20060921214248.GA10097@Krystal> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Content-Disposition: inline In-Reply-To: <20060921214248.GA10097@Krystal> X-Editor: vi X-Info: http://krystal.dyndns.org:8080 X-Operating-System: Linux/2.4.32-grsec (i686) X-Uptime: 17:48:20 up 29 days, 18:57, 1 user, load average: 0.34, 0.40, 0.30 User-Agent: Mutt/1.5.13 (2006-08-11) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 997 Lines: 27 * Mathieu Desnoyers (compudj@krystal.dyndns.org) wrote: > * Ingo Molnar (mingo@elte.hu) wrote: > > > "As an example, LTTng traces the page fault handler, when kprobes just > > can't instrument it." > > > > but tracing a raw pagefault at the arch level is a bad idea anyway, we > > want to trace __handle_mm_fault(). That way you can avoid having to > > modify every architecture's pagefault handler ... > > > > Then you lose the ability to trace in-kernel minor page faults. > But I agree with you that an upstream MARKER makes more sense in __handle_mm_fault(). :-) Regards, Mathieu OpenPGP public key: http://krystal.dyndns.org:8080/key/compudj.gpg Key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68 - 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/