From mboxrd@z Thu Jan 1 00:00:00 1970 From: Peter Zijlstra Subject: Re: RFC: THE OFFLINE SCHEDULER Date: Mon, 31 Aug 2009 17:33:22 +0200 Message-ID: <1251732802.18584.135.camel@twins> References: <1251282598.3514.20.camel@raz> <1251297910.1791.22.camel@maxim-laptop> <1251322663.3882.48.camel@raz> <4A96B997.1070001@nortel.com> <4A97071F.5070804@novell.com> <4A973DAE.4020508@redhat.com> <4A975025.8030500@novell.com> <4A975CC4.1090208@novell.com> <4A995F53.50509@hp.com> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Cc: jim owens , Thomas Gleixner , Gregory Haskins , Rik van Riel , Chris Friesen , raz ben yehuda , Andrew Morton , mingo@elte.hu, maximlevitsky@gmail.com, efault@gmx.de, wiseman@macs.biu.ac.il, linux-kernel@vger.kernel.org, linux-rt-users@vger.kernel.org To: Christoph Lameter Return-path: Received: from bombadil.infradead.org ([18.85.46.34]:37169 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750929AbZHaPfo (ORCPT ); Mon, 31 Aug 2009 11:35:44 -0400 In-Reply-To: Sender: linux-rt-users-owner@vger.kernel.org List-ID: On Mon, 2009-08-31 at 15:22 -0400, Christoph Lameter wrote: > > Stats updates are performed if needed or not. Same with slab expiration. > Thats why its necessary to Offline the cpu. Or we fix it to not do anything when not needed. Come-on Christoph this ain't rocket science.