From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S267401AbUJNUn1 (ORCPT ); Thu, 14 Oct 2004 16:43:27 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S267334AbUJNUk5 (ORCPT ); Thu, 14 Oct 2004 16:40:57 -0400 Received: from viper.oldcity.dca.net ([216.158.38.4]:30359 "HELO viper.oldcity.dca.net") by vger.kernel.org with SMTP id S267549AbUJNUVd (ORCPT ); Thu, 14 Oct 2004 16:21:33 -0400 Subject: Re: [patch] Real-Time Preemption, -VP-2.6.9-rc4-mm1-U1 From: Lee Revell To: Lorenzo Allegrucci Cc: Ingo Molnar , linux-kernel , Rui Nuno Capela , Mark_H_Johnson@raytheon.com, "K.R. Foley" , Daniel Walker , Bill Huey , Andrew Morton , Adam Heath , Dipankar Sarma In-Reply-To: <200410142216.23572.l_allegrucci@yahoo.it> References: <20041014002433.GA19399@elte.hu> <20041014143131.GA20258@elte.hu> <200410142216.23572.l_allegrucci@yahoo.it> Content-Type: text/plain Message-Id: <1097785289.2682.46.camel@krustophenia.net> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.6 Date: Thu, 14 Oct 2004 16:21:30 -0400 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 2004-10-14 at 16:16, Lorenzo Allegrucci wrote: > BTW, I'm getting a lot of "scheduling while atomic" messages > running LTP's runalltests.sh -x 200. > Attached is the kern.log and the latency trace. Looks like that latency trace is mostly printk overhead from the scheduling while atomic errors. In general, if you are still getting lots of printks in your logs due to bugs, the latency traces are not very useful. Lee