Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757941AbXIXKm2 (ORCPT ); Mon, 24 Sep 2007 06:42:28 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753383AbXIXKmV (ORCPT ); Mon, 24 Sep 2007 06:42:21 -0400 Received: from mail.gmx.net ([213.165.64.20]:49254 "HELO mail.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1753359AbXIXKmU (ORCPT ); Mon, 24 Sep 2007 06:42:20 -0400 X-Authenticated: #14349625 X-Provags-ID: V01U2FsdGVkX1+HXIg2cYWHLPrPK+VqRVQo9e3szkM+aHwF4Y7V+2 K+K3DQ6SWpWyoW Subject: Re: [git] CFS-devel, group scheduler, fixes From: Mike Galbraith To: Peter Zijlstra Cc: Tong Li , Ingo Molnar , dimm , linux-kernel@vger.kernel.org, Srivatsa Vaddagiri In-Reply-To: <20070924122422.75562c41@twins> References: <1190144190.5204.24.camel@earth> <20070918201622.GA1632@elte.hu> <1190183324.9737.7.camel@Homer.simpson.net> <1190188261.9185.21.camel@Homer.simpson.net> <1190191368.8687.5.camel@Homer.simpson.net> <1190264114.6411.4.camel@Homer.simpson.net> <1190272507.27867.20.camel@Homer.simpson.net> <20070920075155.GA31641@elte.hu> <1190275870.9232.6.camel@Homer.simpson.net> <1190455308.7404.19.camel@Homer.simpson.net> <1190531662.11524.15.camel@Homer.simpson.net> <1190628609.6389.14.camel@Homer.simpson.net> <20070924122422.75562c41@twins> Content-Type: text/plain Date: Mon, 24 Sep 2007 12:42:15 +0200 Message-Id: <1190630535.7406.2.camel@Homer.simpson.net> Mime-Version: 1.0 X-Mailer: Evolution 2.8.2 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: 783 Lines: 24 On Mon, 2007-09-24 at 12:24 +0200, Peter Zijlstra wrote: > how about something like: > > s64 delta = (s64)(vruntime - min_vruntime); > if (delta > 0) > min_vruntime += delta; > > That would rid us of most of the funny conditionals there. That still left me with negative min_vruntimes. The pinned hogs didn't lock my box up, but I quickly got the below, so hastily killed it. se.wait_max : 7.846949 se.wait_max : 301.951601 se.wait_max : 7.071359 -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/