From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752671AbcGLNZy (ORCPT ); Tue, 12 Jul 2016 09:25:54 -0400 Received: from merlin.infradead.org ([205.233.59.134]:41195 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750865AbcGLNZx (ORCPT ); Tue, 12 Jul 2016 09:25:53 -0400 Date: Tue, 12 Jul 2016 15:25:48 +0200 From: Peter Zijlstra To: Morten Rasmussen Cc: vincent.guittot@linaro.org, dietmar.eggemann@arm.com, yuyang.du@intel.com, mgalbraith@suse.de, mingo@redhat.com, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 00/13] sched: Clean-ups and asymmetric cpu capacity support Message-ID: <20160712132548.GR30909@twins.programming.kicks-ass.net> References: <1466615004-3503-1-git-send-email-morten.rasmussen@arm.com> <20160711083353.GE12540@e105550-lin.cambridge.arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160711083353.GE12540@e105550-lin.cambridge.arm.com> User-Agent: Mutt/1.5.23.1 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Jul 11, 2016 at 09:33:54AM +0100, Morten Rasmussen wrote: > On Wed, Jun 22, 2016 at 06:03:11PM +0100, Morten Rasmussen wrote: > > Hi, > > > > The scheduler is currently not doing much to help performance on systems with > > asymmetric compute capacities (read ARM big.LITTLE). This series improves the > > situation with a few tweaks mainly to the task wake-up path that considers > > compute capacity at wake-up and not just whether a cpu is idle for these > > systems. This gives us consistent, and potentially higher, throughput in > > partially utilized scenarios. SMP behaviour and performance should be > > unaffected. > > Peter, Vincent: Any chance you have time for another look? So no fundamental objections, just these few issues that need sorting.