Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752897AbdDOCXv (ORCPT ); Fri, 14 Apr 2017 22:23:51 -0400 Received: from mail-vk0-f50.google.com ([209.85.213.50]:33535 "EHLO mail-vk0-f50.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752629AbdDOCXr (ORCPT ); Fri, 14 Apr 2017 22:23:47 -0400 MIME-Version: 1.0 In-Reply-To: <2817661.LjrBZf7NNr@aspire.rjw.lan> References: <3498238.liCqOyIkGA@aspire.rjw.lan> <2407280.n9qVSLCrF5@aspire.rjw.lan> <71055380.gdY33coAtF@aspire.rjw.lan> <2817661.LjrBZf7NNr@aspire.rjw.lan> From: Joel Fernandes Date: Fri, 14 Apr 2017 19:23:46 -0700 Message-ID: Subject: Re: [RFC/RFT][PATCH 1/2] cpufreq: schedutil: Use policy-dependent transition delays To: "Rafael J. Wysocki" Cc: Linux PM , Juri Lelli , LKML , Peter Zijlstra , Srinivas Pandruvada , Viresh Kumar , Vincent Guittot , Patrick Bellasi , Morten Rasmussen , Brendan Jackman Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 860 Lines: 25 On Fri, Apr 14, 2017 at 3:51 PM, Rafael J. Wysocki wrote: > On Tuesday, April 11, 2017 12:20:41 AM Rafael J. Wysocki wrote: >> From: Rafael J. Wysocki >> >> Make the schedutil governor take the initial (default) value of the >> rate_limit_us sysfs attribute from the (new) transition_delay_us >> policy parameter (to be set by the scaling driver). >> >> That will allow scaling drivers to make schedutil use smaller default >> values of rate_limit_us and reduce the default average time interval >> between consecutive frequency changes. >> >> Make intel_pstate set transition_delay_us to 500. >> >> Signed-off-by: Rafael J. Wysocki >> --- >> >> This is a replacement for https://patchwork.kernel.org/patch/9671831/ > > Any concerns about this one? Looks good to me. Thanks, Joel