Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964879AbWEOQwb (ORCPT ); Mon, 15 May 2006 12:52:31 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S964892AbWEOQwb (ORCPT ); Mon, 15 May 2006 12:52:31 -0400 Received: from viper.oldcity.dca.net ([216.158.38.4]:35033 "HELO viper.oldcity.dca.net") by vger.kernel.org with SMTP id S964879AbWEOQwa (ORCPT ); Mon, 15 May 2006 12:52:30 -0400 Subject: Re: rt20 scheduling latency testcase and failure data From: Lee Revell To: Mike Galbraith Cc: Darren Hart , lkml , Ingo Molnar , Thomas Gleixner , Steven Rostedt , Florian Schmidt In-Reply-To: <1147671821.7633.13.camel@homer> References: <200605121924.53917.dvhltc@us.ibm.com> <20060513112039.41536fb5@mango.fruits> <200605131106.16864.dvhltc@us.ibm.com> <1147671821.7633.13.camel@homer> Content-Type: text/plain Date: Mon, 15 May 2006 12:52:27 -0400 Message-Id: <1147711948.27252.266.camel@mindpipe> Mime-Version: 1.0 X-Mailer: Evolution 2.6.1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 689 Lines: 19 On Mon, 2006-05-15 at 07:43 +0200, Mike Galbraith wrote: > On Sat, 2006-05-13 at 11:06 -0700, Darren Hart wrote: > > > I haven't yet tried running with the RT Latency / Trace tools. I can try > > those if folks they think they will be useful. > > FWIW, enabling tracing made the 10ms failure variant fairly repeatable > here. Make sure you're not reading /proc/latency_trace during the test - it will reliably cause missed deadlines. Lee - 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/