From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751484AbbJJGxG (ORCPT ); Sat, 10 Oct 2015 02:53:06 -0400 Received: from mga01.intel.com ([192.55.52.88]:32634 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751230AbbJJGxB (ORCPT ); Sat, 10 Oct 2015 02:53:01 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.17,662,1437462000"; d="scan'208";a="823688786" Date: Sat, 10 Oct 2015 07:04:15 +0800 From: Yuyang Du To: Ingo Molnar , peterz@infradead.org Cc: peterz@infradead.org, linux-kernel@vger.kernel.org, pjt@google.com, bsegall@google.com, morten.rasmussen@arm.com, vincent.guittot@linaro.org, dietmar.eggemann@arm.com, lizefan@huawei.com Subject: Re: [PATCH 1/4] sched/fair: Generalize the load/util averages resolution definition Message-ID: <20151009230415.GI11102@intel.com> References: <1443981419-16665-1-git-send-email-yuyang.du@intel.com> <1443981419-16665-2-git-send-email-yuyang.du@intel.com> <20151005070445.GA10526@gmail.com> <20151006080000.GH11102@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20151006080000.GH11102@intel.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Oct 06, 2015 at 04:00:00PM +0800, Yuyang Du wrote: > On Mon, Oct 05, 2015 at 09:04:45AM +0200, Ingo Molnar wrote: > > > > * Yuyang Du wrote: > > > > > +# define SCHED_RESOLUTION_SHIFT 10 > > > > > #if 0 /* BITS_PER_LONG > 32 -- currently broken: it increases power usage under light load */ > > > > Might be worth fixing? > > Yes, it should be. Peter has already brought this up. Do you have any suggestion on how to fix this? Thanks, Yuyang