Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752530Ab3GQHsg (ORCPT ); Wed, 17 Jul 2013 03:48:36 -0400 Received: from merlin.infradead.org ([205.233.59.134]:56602 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751340Ab3GQHsf (ORCPT ); Wed, 17 Jul 2013 03:48:35 -0400 Date: Wed, 17 Jul 2013 09:48:10 +0200 From: Peter Zijlstra To: Jason Low Cc: Ingo Molnar , LKML , Mike Galbraith , Thomas Gleixner , Paul Turner , Alex Shi , Preeti U Murthy , Vincent Guittot , Morten Rasmussen , Namhyung Kim , Andrew Morton , Kees Cook , Mel Gorman , Rik van Riel , aswin@hp.com, scott.norton@hp.com, chegu_vinod@hp.com Subject: Re: [RFC] sched: Limit idle_balance() when it is being used too frequently Message-ID: <20130717074810.GZ17211@twins.programming.kicks-ass.net> References: <1374002463.3944.11.camel@j-VirtualBox> <20130716202015.GX17211@twins.programming.kicks-ass.net> <1374014881.2332.21.camel@j-VirtualBox> <20130717072504.GY17211@twins.programming.kicks-ass.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20130717072504.GY17211@twins.programming.kicks-ass.net> User-Agent: Mutt/1.5.21 (2012-12-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 519 Lines: 11 On Wed, Jul 17, 2013 at 09:25:04AM +0200, Peter Zijlstra wrote: > One thing that I thought of since is that we need to consider what > happens for people with a low resolution sched_clock. IIRC there are > still platforms that are jiffy based. Ignore that, they're all UP. -- 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/