Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932717AbWCVUwU (ORCPT ); Wed, 22 Mar 2006 15:52:20 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932718AbWCVUwU (ORCPT ); Wed, 22 Mar 2006 15:52:20 -0500 Received: from mxsf31.cluster1.charter.net ([209.225.28.130]:15234 "EHLO mxsf31.cluster1.charter.net") by vger.kernel.org with ESMTP id S932717AbWCVUwU (ORCPT ); Wed, 22 Mar 2006 15:52:20 -0500 X-IronPort-AV: i="4.03,119,1141621200"; d="scan'208"; a="920937217:sNHT18515074" Message-ID: <4421B8EA.3020505@cybsft.com> Date: Wed, 22 Mar 2006 14:51:54 -0600 From: "K.R. Foley" Organization: Cybersoft Solutions, Inc. User-Agent: Thunderbird 1.5 (X11/20051201) MIME-Version: 1.0 To: Daniel Walker CC: Ingo Molnar , linux-kernel@vger.kernel.org Subject: Re: 2.6.16-rt1 References: <20060320085137.GA29554@elte.hu> <441F8017.4040302@cybsft.com> <20060321211653.GA3090@elte.hu> <4420B5F0.6000201@cybsft.com> <20060322062932.GA17166@elte.hu> <44215CCB.1080005@cybsft.com> <442176EB.1050403@cybsft.com> <1143048688.9127.2.camel@localhost.localdomain> In-Reply-To: <1143048688.9127.2.camel@localhost.localdomain> X-Enigmail-Version: 0.93.0.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1013 Lines: 28 Daniel Walker wrote: > On Wed, 2006-03-22 at 10:10 -0600, K.R. Foley wrote: > >> Found something interesting. Having Wakeup latency timing turned on >> makes a HUGE difference. I turned it off and recompiled and now I am >> seeing numbers back in line with what I expected from 2.6.16-rt4. Sorry, >> but I had no idea it would make that much difference. I don't have a >> complete run yet, but I have seen enough to know that I am not seeing >> tons of missed interrupts and the highest reported latency thus far is >> 61 usec. > > Just Wakeup latency timing , and not latency tracing ? > > Daniel > > Unfortunately I can't say for sure because I don't remember turning it off, but looking at the log it appears as though latency tracing was turned on -- kr - 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/