Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932154AbWCWDWp (ORCPT ); Wed, 22 Mar 2006 22:22:45 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932183AbWCWDWp (ORCPT ); Wed, 22 Mar 2006 22:22:45 -0500 Received: from mail.gmx.net ([213.165.64.20]:13703 "HELO mail.gmx.net") by vger.kernel.org with SMTP id S932154AbWCWDWo (ORCPT ); Wed, 22 Mar 2006 22:22:44 -0500 X-Authenticated: #14349625 Subject: Re: [interbench numbers] Re: interactive task starvation From: Mike Galbraith To: Con Kolivas Cc: lkml , Willy Tarreau , Ingo Molnar , Andrew Morton , bugsplatter@gmail.com, Peter Williams In-Reply-To: <200603230727.51235.kernel@kolivas.org> References: <1142592375.7895.43.camel@homer> <1142999382.11047.34.camel@homer> <1143029650.8298.18.camel@homer> <200603230727.51235.kernel@kolivas.org> Content-Type: text/plain Date: Thu, 23 Mar 2006 04:22:58 +0100 Message-Id: <1143084178.7665.6.camel@homer> Mime-Version: 1.0 X-Mailer: Evolution 2.4.0 Content-Transfer-Encoding: 7bit X-Y-GMX-Trusted: 0 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1364 Lines: 31 On Thu, 2006-03-23 at 07:27 +1100, Con Kolivas wrote: > On Wednesday 22 March 2006 23:14, Mike Galbraith wrote: > > Greetings, > > > > I was asked to do some interbench runs, with various throttle settings, > > see below. I'll not attempt to interpret results, only present raw data > > for others to examine. > > > > Tested throttling patches version is V24, because while I was compiling > > 2.6.16-rc6-mm2 in preparation for comparison, I found I'd introduced an > > SMP buglet in V23. Something good came from the added testing whether > > the results are informative or not :) > > Thanks! > > I wonder why the results are affected even without any throttling settings but > just patched in? Specifically I'm talking about deadlines met with video > being sensitive to this. Were there any other config differences between the > tests? Changing HZ would invalidate the results for example. Comments? I wondered the same. The only difference then is the lower idle sleep prio, tighter timeslice enforcement, and the SMP buglet fix for now < p->timestamp due to SMP rounding. Configs are identical. -Mike - 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/