Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264019AbTICBrc (ORCPT ); Tue, 2 Sep 2003 21:47:32 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264021AbTICBrb (ORCPT ); Tue, 2 Sep 2003 21:47:31 -0400 Received: from c210-49-248-224.thoms1.vic.optusnet.com.au ([210.49.248.224]:28335 "EHLO mail.kolivas.org") by vger.kernel.org with ESMTP id S264019AbTICBr1 (ORCPT ); Tue, 2 Sep 2003 21:47:27 -0400 From: Con Kolivas To: Nick Piggin , "Martin J. Bligh" Subject: Re: [PATCH] Nick's scheduler policy v10 Date: Wed, 3 Sep 2003 11:55:03 +1000 User-Agent: KMail/1.5.3 Cc: linux-kernel References: <3F5044DC.10305@cyberone.com.au> <127320000.1062514664@[10.10.2.4]> <3F552CBB.1060906@cyberone.com.au> In-Reply-To: <3F552CBB.1060906@cyberone.com.au> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200309031155.04056.kernel@kolivas.org> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1379 Lines: 33 On Wed, 3 Sep 2003 09:50, Nick Piggin wrote: > Martin J. Bligh wrote: > >>>Not convinced of that - mm performs worse than mainline for me. > >> > >>Well, one of Con's patches caused a lot of idle time on volanomark. > >>The reason for the change was unclear. I guess either a fairness or > >>wakeup latency change (yes, it was a very scientific process, ahem). > >> > >>Anyway, in the process of looking at the load balancing, we found > >>and fixed a problem (although it might now possibly over balance). > >>This did cure most of the idle problems. > >> > >>So it could just be small changes causing things to go out of whack. > >>I will try to get better data after (if ever) the thing is working > >>nicely on the desktop. > > > >I think Con and I worked out that the degredations I was seeing > >(on kernbench and SDET) were due to (in his words) "my hacks throwing the > >cc cpu hogs onto the expired array more frequently". > > This didn't explain the huge idle time increases on volanomark and > SPECjbb I think. Yeah this was before the profile showed it to be idle time, and before I isolated it to Ingo's A3 patch. Con - 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/