From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761430AbYAUP1X (ORCPT ); Mon, 21 Jan 2008 10:27:23 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1760486AbYAUPYh (ORCPT ); Mon, 21 Jan 2008 10:24:37 -0500 Received: from ms-smtp-05.nyroc.rr.com ([24.24.2.59]:58840 "EHLO ms-smtp-05.nyroc.rr.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753754AbYAUPYC (ORCPT ); Mon, 21 Jan 2008 10:24:02 -0500 Message-Id: <20080121152353.269760962@goodmis.org> References: <20080121152231.579118762@goodmis.org> User-Agent: quilt/0.46-1 Date: Mon, 21 Jan 2008 10:22:46 -0500 From: Steven Rostedt To: LKML Cc: Ingo Molnar , Linus Torvalds , Andrew Morton , Peter Zijlstra , Christoph Hellwig , Mathieu Desnoyers , Gregory Haskins , Arnaldo Carvalho de Melo , Thomas Gleixner , Tim Bird , Sam Ravnborg , "Frank Ch. Eigler" , Jan Kiszka , John Stultz , Steven Rostedt Subject: [RFC PATCH 15/23 -v4] Add context switch marker to sched.c Content-Disposition: inline; filename=add-trace-hooks-to-sched.patch Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add marker into context_switch to record the prev and next tasks. Signed-off-by: Steven Rostedt --- kernel/sched.c | 2 ++ 1 file changed, 2 insertions(+) Index: linux-mcount.git/kernel/sched.c =================================================================== --- linux-mcount.git.orig/kernel/sched.c 2008-01-18 23:46:17.000000000 -0500 +++ linux-mcount.git/kernel/sched.c 2008-01-18 23:49:23.000000000 -0500 @@ -1933,6 +1933,8 @@ context_switch(struct rq *rq, struct tas struct mm_struct *mm, *oldmm; prepare_task_switch(rq, prev, next); + trace_mark(kernel_sched_schedule, + "prev %p next %p", prev, next); mm = next->mm; oldmm = prev->active_mm; /* --