From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.3 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3B43FC76190 for ; Fri, 26 Jul 2019 03:26:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0E98C2238C for ; Fri, 26 Jul 2019 03:26:40 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="mMpsHV9E" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726004AbfGZD0f (ORCPT ); Thu, 25 Jul 2019 23:26:35 -0400 Received: from mail-pg1-f196.google.com ([209.85.215.196]:33886 "EHLO mail-pg1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725899AbfGZD0e (ORCPT ); Thu, 25 Jul 2019 23:26:34 -0400 Received: by mail-pg1-f196.google.com with SMTP id n9so17819876pgc.1 for ; Thu, 25 Jul 2019 20:26:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=YfhbltO6FtqY+nhX3A4c4C7VpTkM+5+6ovBigThYvB0=; b=mMpsHV9ElNPYpaobsGlXivKLT7vbB0JAEpP7GYdEvTMn910AvbCidJ3JVjpj7Zt5xO NEOiwgKk5owsCRQ7JkP48WP0iwfQ2o6QqoIaqaz1po699V1Y9BXGHQuhLc/DUx5rra87 0g3MLd0ArNNknkZsiNP+WkvbwMvBPl8CQTPN+jMd32AG50a3q9CehG1Jm/i+x4+pMVNL OJHm7YoiI9V3/xFI7qakp9Fup0NPV7AX3zRuGEfnnOLSZdQ+13e45e4i/f6C4NBIrn89 t8HdpdLCqdmV7DzVH/uD++SKlZZ985zB/po5Nwnm5fMAGO4MKGuhjMzRoFJLL9HgF91v ShXw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=YfhbltO6FtqY+nhX3A4c4C7VpTkM+5+6ovBigThYvB0=; b=Q3Xr/PZORVoP2MZGKPIQaW8ws2XDt1rafaWpxhJfZWob6yEOKC3r1vt3b/A3j5XTq/ 0nzGRCIzhtDLGtoFeVICQ5Rd++5voUIAQQ8K/8L+TB4l4IdbeCZGDdKbMq9n0lofb5hf yyiMViAVgP/7b3aa7fha/cIdM4m3wl78NZmMwG1O72DQijjlRYhDxzwERDG+QSzQ4Nvw zyUnfXdkopGucXsWuxV+ed1MfIb8F0j286U9xSXr0s4SHp1mbIfeKlWdscFltHKWRsES 1I6CftnrhFAvoO1+SQdr/N0XlupmSDcwJarn3P8rZpj6fqSCdXW4K1V2yYpxk2Es3miv bmRw== X-Gm-Message-State: APjAAAUMDlZHmhMbyaeRuGNKw8XKLk4wPcLYwYXe8+4CO9jnZQPOKD/d qV/2/iKqoMcPlIHF+5c39D3F5Q== X-Google-Smtp-Source: APXvYqxTg6RaVRHtF9c9R4BCNa8UgHa7F5aWitP9SzEaN+tdcNZSH3RKI8L0lLXVfubPFM9Nx2djIA== X-Received: by 2002:a63:de07:: with SMTP id f7mr51786968pgg.213.1564111593449; Thu, 25 Jul 2019 20:26:33 -0700 (PDT) Received: from localhost ([122.172.28.117]) by smtp.gmail.com with ESMTPSA id y12sm59772600pfn.187.2019.07.25.20.26.32 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 25 Jul 2019 20:26:32 -0700 (PDT) Date: Fri, 26 Jul 2019 08:56:31 +0530 From: Viresh Kumar To: Doug Smythies Cc: "'Rafael J. Wysocki'" , 'Rafael Wysocki' , 'Ingo Molnar' , 'Peter Zijlstra' , 'Linux PM' , 'Vincent Guittot' , 'Joel Fernandes' , "'v4 . 18+'" , 'Linux Kernel Mailing List' Subject: Re: [PATCH] cpufreq: schedutil: Don't skip freq update when limits change Message-ID: <20190726032631.rflrl5wxgbphqxyf@vireshk-i7> References: <1563431200-3042-1-git-send-email-dsmythies@telus.net> <8091ef83f264feb2feaa827fbeefe08348bcd05d.1563778071.git.viresh.kumar@linaro.org> <001201d54125$a6a82350$f3f869f0$@net> <20190723091551.nchopfpqlmdmzvge@vireshk-i7> <20190724114327.apmx35c7a4tv3qt5@vireshk-i7> <000c01d542fc$703ff850$50bfe8f0$@net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <000c01d542fc$703ff850$50bfe8f0$@net> User-Agent: NeoMutt/20180716-391-311a52 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 25-07-19, 08:20, Doug Smythies wrote: > I tried the patch ("patch2"). It did not fix the issue. > > To summarize, all kernel 5.2 based, all intel_cpufreq driver and schedutil governor: > > Test: Does a busy system respond to maximum CPU clock frequency reduction? > > stock, unaltered: No. > revert ecd2884291261e3fddbc7651ee11a20d596bb514: Yes > viresh patch: No. > fast_switch edit: No. You tried this fast-switch thing with my patch applied, right ? > viresh patch2: No. > > References (and procedures used): > https://marc.info/?l=linux-pm&m=156346478429147&w=2 > https://marc.info/?l=linux-kernel&m=156343125319461&w=2 > > ... Doug > -- viresh