From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752968AbcIMHo2 (ORCPT ); Tue, 13 Sep 2016 03:44:28 -0400 Received: from bombadil.infradead.org ([198.137.202.9]:47506 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751227AbcIMHo1 (ORCPT ); Tue, 13 Sep 2016 03:44:27 -0400 Date: Tue, 13 Sep 2016 09:44:20 +0200 From: Peter Zijlstra To: "Rafael J. Wysocki" Cc: Linux PM list , Linux Kernel Mailing List , Srinivas Pandruvada , Viresh Kumar , Ingo Molnar , Vincent Guittot , Morten Rasmussen , Juri Lelli , Dietmar Eggemann , Steve Muckle , Doug Smythies Subject: Re: [Resend][PATCH 2/3] cpufreq: schedutil: Add iowait boosting Message-ID: <20160913074420.GE5008@twins.programming.kicks-ass.net> References: <21371892.ALJNnHKoBY@vostro.rjw.lan> <1928525.UHD8eb6HiL@vostro.rjw.lan> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1928525.UHD8eb6HiL@vostro.rjw.lan> 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 Sat, Sep 10, 2016 at 12:00:31AM +0200, Rafael J. Wysocki wrote: > From: Rafael J. Wysocki > > Modify the schedutil cpufreq governor to boost the CPU > frequency if the SCHED_CPUFREQ_IOWAIT flag is passed to > it via cpufreq_update_util(). > > If that happens, the frequency is set to the maximum during > the first update after receiving the SCHED_CPUFREQ_IOWAIT flag > and then the boost is reduced by half during each following update. > > Signed-off-by: Rafael J. Wysocki > Looks-good-to: Steve Muckle Acked-by: Peter Zijlstra (Intel)