Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751029AbWCVRbb (ORCPT ); Wed, 22 Mar 2006 12:31:31 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751021AbWCVRbb (ORCPT ); Wed, 22 Mar 2006 12:31:31 -0500 Received: from gateway-1237.mvista.com ([63.81.120.158]:14718 "EHLO hermes.mvista.com") by vger.kernel.org with ESMTP id S1751027AbWCVRba (ORCPT ); Wed, 22 Mar 2006 12:31:30 -0500 Subject: Re: 2.6.16-rt1 From: Daniel Walker To: "K.R. Foley" Cc: Ingo Molnar , linux-kernel@vger.kernel.org In-Reply-To: <442176EB.1050403@cybsft.com> 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> Content-Type: text/plain Date: Wed, 22 Mar 2006 09:31:28 -0800 Message-Id: <1143048688.9127.2.camel@localhost.localdomain> Mime-Version: 1.0 X-Mailer: Evolution 2.2.3 (2.2.3-2.fc4) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 806 Lines: 19 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 - 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/