Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932456AbaDXQyN (ORCPT ); Thu, 24 Apr 2014 12:54:13 -0400 Received: from bombadil.infradead.org ([198.137.202.9]:47585 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932330AbaDXQyK (ORCPT ); Thu, 24 Apr 2014 12:54:10 -0400 Date: Thu, 24 Apr 2014 18:54:03 +0200 From: Peter Zijlstra To: Jason Low Cc: mingo@kernel.org, linux-kernel@vger.kernel.org, daniel.lezcano@linaro.org, alex.shi@linaro.org, preeti@linux.vnet.ibm.com, efault@gmx.de, vincent.guittot@linaro.org, morten.rasmussen@arm.com, aswin@hp.com, chegu_vinod@hp.com Subject: Re: [PATCH 3/3] sched, fair: Stop searching for tasks in newidle balance if there are runnable tasks Message-ID: <20140424165403.GY11096@twins.programming.kicks-ass.net> References: <1398303035-18255-1-git-send-email-jason.low2@hp.com> <1398303035-18255-4-git-send-email-jason.low2@hp.com> <20140424071541.GZ26782@laptop.programming.kicks-ass.net> <1398357789.3509.6.camel@j-VirtualBox> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1398357789.3509.6.camel@j-VirtualBox> 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 On Thu, Apr 24, 2014 at 09:43:09AM -0700, Jason Low wrote: > I recall seeing somewhere around a +7% performance improvement > in at least least 1 of the AIM7 workloads. I can do some more testing > with this. But yeah, please test more than 1 workload; its fairly typical for one workload to win and another to completely tank :-/ -- 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/