Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761554AbXKAPg2 (ORCPT ); Thu, 1 Nov 2007 11:36:28 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755036AbXKAPgU (ORCPT ); Thu, 1 Nov 2007 11:36:20 -0400 Received: from mx3.mail.elte.hu ([157.181.1.138]:45388 "EHLO mx3.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756600AbXKAPgT (ORCPT ); Thu, 1 Nov 2007 11:36:19 -0400 Date: Thu, 1 Nov 2007 16:36:07 +0100 From: Ingo Molnar To: Peter Zijlstra Cc: LKML , "Zhang, Yanmin" Subject: Re: aim7 -30% regression in 2.6.24-rc1 Message-ID: <20071101153607.GA9988@elte.hu> References: <1193650626.3019.198.camel@ymzhang> <1193710325.3019.203.camel@ymzhang> <20071030072658.GB20372@elte.hu> <1193733390.3019.210.camel@ymzhang> <1193824668.3019.236.camel@ymzhang> <1193826639.27652.113.camel@twins> <20071101085824.GA12721@elte.hu> <1193922687.27652.279.camel@twins> <20071101150049.GB4044@elte.hu> <1193930983.27652.300.camel@twins> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1193930983.27652.300.camel@twins> User-Agent: Mutt/1.5.16 (2007-06-09) X-ELTE-VirusStatus: clean X-ELTE-SpamScore: -1.5 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-1.5 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.1.7-deb -1.5 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0005] Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 687 Lines: 20 * Peter Zijlstra wrote: > > > We don't have min_granularity anymore. > > > > i think we should reintroduce it in the SCHED_DEBUG case and make it > > the main tunable item - sched_nr is a nice performance optimization > > but quite unintuitive as a tuning knob. > > ok, I don't particularly care either way, could be because I wrote the > stuff :-) heh :-) I've applied your patch, it looks good to me. Ingo - 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/