Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751216AbdGMDmX (ORCPT ); Wed, 12 Jul 2017 23:42:23 -0400 Received: from mail-pg0-f54.google.com ([74.125.83.54]:35670 "EHLO mail-pg0-f54.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751131AbdGMDmW (ORCPT ); Wed, 12 Jul 2017 23:42:22 -0400 Date: Thu, 13 Jul 2017 09:12:19 +0530 From: Viresh Kumar To: Peter Zijlstra Cc: Joel Fernandes , LKML , Patrick Bellasi , Juri Lelli , Andres Oportus , Dietmar Eggemann , Srinivas Pandruvada , Len Brown , "Rafael J . Wysocki" , Ingo Molnar Subject: Re: [PATCH RFC v4] cpufreq: schedutil: Make iowait boost more energy efficient Message-ID: <20170713034219.GJ1679@vireshk-i7> References: <20170709170826.29396-1-joelaf@google.com> <20170711101432.GB17115@vireshk-i7> <20170712050035.GH17115@vireshk-i7> <20170712093630.lppm7yaqeiro2276@hirez.programming.kicks-ass.net> <20170712094623.GE1679@vireshk-i7> <20170712132824.mnoevjtm6wd6yh2c@hirez.programming.kicks-ass.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20170712132824.mnoevjtm6wd6yh2c@hirez.programming.kicks-ass.net> User-Agent: Mutt/1.5.24 (2015-08-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 505 Lines: 19 On 12-07-17, 15:28, Peter Zijlstra wrote: > Hmm, so you're worried about that ratelimit stuff? Yeah, somewhat. > Shouldn't we fix that > independently -- IIRC Rafael proposed a max-filter over the window. I had some doubts about that idea in general and shared them earlier with you: https://marc.info/?l=linux-kernel&m=149683722822537&w=2 But anyway, I think Joel is somewhat convinced to adapt to the solution I gave and that wouldn't have any of the problems I shared. All good now :) -- viresh