Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758331AbYKVM7r (ORCPT ); Sat, 22 Nov 2008 07:59:47 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757690AbYKVM7i (ORCPT ); Sat, 22 Nov 2008 07:59:38 -0500 Received: from ogre.sisk.pl ([217.79.144.158]:36910 "EHLO ogre.sisk.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757628AbYKVM7h (ORCPT ); Sat, 22 Nov 2008 07:59:37 -0500 From: "Rafael J. Wysocki" To: "Peter Teoh" Subject: Re: Some FTRACE related question Date: Sat, 22 Nov 2008 13:59:24 +0100 User-Agent: KMail/1.9.9 Cc: "Steven Rostedt" , LKML References: <804dabb00811220047q6e0f24eap23e9a7c4c7bd71b6@mail.gmail.com> In-Reply-To: <804dabb00811220047q6e0f24eap23e9a7c4c7bd71b6@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200811221359.24808.rjw@sisk.pl> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 847 Lines: 23 On Saturday, 22 of November 2008, Peter Teoh wrote: > Q1: how to use ftrace to ftrace itself? (i would like to see some > ftrace-triggered flow) In view of the following patch: > > http://linux.derkeiler.com/Mailing-Lists/Kernel/2008-11/msg03745.html > > Is it to prevent this from being possible? I can't really answer this, sorry. > Q2: how to ftrace s2ram and resume? I attempted to do it, but the > trace output is always filled with "resume" related functions when it > started up, which is only logical. The tracing is disabled during suspend/resume, so you can't. Thanks, Rafael -- 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/