Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756587AbcCaMmM (ORCPT ); Thu, 31 Mar 2016 08:42:12 -0400 Received: from casper.infradead.org ([85.118.1.10]:47439 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756461AbcCaMmJ (ORCPT ); Thu, 31 Mar 2016 08:42:09 -0400 Date: Thu, 31 Mar 2016 14:42:06 +0200 From: Peter Zijlstra To: "Rafael J. Wysocki" Cc: "Rafael J. Wysocki" , Linux PM list , Juri Lelli , Steve Muckle , ACPI Devel Maling List , Linux Kernel Mailing List , Srinivas Pandruvada , Viresh Kumar , Vincent Guittot , Michael Turquette , Ingo Molnar Subject: Re: [Update][PATCH v7 7/7] cpufreq: schedutil: New governor based on scheduler utilization data Message-ID: <20160331124206.GJ3430@twins.programming.kicks-ass.net> References: <7262976.zPkLj56ATU@vostro.rjw.lan> <6666532.7ULg06hQ7e@vostro.rjw.lan> <145931680.Kk1xSBT0Ro@vostro.rjw.lan> <20160331121245.GI3408@twins.programming.kicks-ass.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: 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: 973 Lines: 23 On Thu, Mar 31, 2016 at 02:18:33PM +0200, Rafael J. Wysocki wrote: > On Thu, Mar 31, 2016 at 2:12 PM, Peter Zijlstra wrote: > > > > Ingo reminded me that the schedutil governor is part of the scheduler > > proper and can access scheduler data because of that. > > > > This allows us to remove the util and max arguments since only the > > schedutil governor will use those, which leads to some further text > > reduction: > > > > 43595 1226 24 44845 af2d defconfig-build/kernel/sched/fair.o.pre > > 42907 1226 24 44157 ac7d defconfig-build/kernel/sched/fair.o.post > > > > Of course, we get more text in schedutil in return, but the below also > > shows how we can benefit from not being tied to those two parameters by > > doing a very coarse deadline reservation. > > OK > > Do you want this to go into the series or be folded into the schedutil > patch or on top of it? We can do it on top; no need to rush this.