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=-8.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable 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 D6677C433E0 for ; Fri, 10 Jul 2020 15:12:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 974C620720 for ; Fri, 10 Jul 2020 15:12:46 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="CD0901Ab" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727969AbgGJPMm (ORCPT ); Fri, 10 Jul 2020 11:12:42 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50610 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727952AbgGJPMg (ORCPT ); Fri, 10 Jul 2020 11:12:36 -0400 Received: from mail-wm1-x344.google.com (mail-wm1-x344.google.com [IPv6:2a00:1450:4864:20::344]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3D0A3C08C5CE; Fri, 10 Jul 2020 08:12:36 -0700 (PDT) Received: by mail-wm1-x344.google.com with SMTP id o2so6272111wmh.2; Fri, 10 Jul 2020 08:12:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=xEchJDumlr5zSz/EMCvc3mIu0atKAoLY2c6rM2/WmwA=; b=CD0901AbfEpZzWSg2DqIk6HF9pzekPCM3fMqDKwLVlTGXa8tpdfENHUgfLTW/8VOar 6dHmIPwFe6ipQKhW8yCG6ZCNAF+UnO9UGmpzc/SL8n3kkDapEP1pP9eZzMkEbgpwzaDI iXjnLCF86qHvuqsWaDZODNhucxvPN+wC8L6Obr3cx74b+vR5ZUeNHJep3dlJn0+ioZZs uTCvYTKYmZUJWDm/sbfmpJ0LQRdK6ucsPgPorbG2bK1stvKpbQy/DFha0Yk/rs8iHW4V QkF9iDdaXDMoeWVfQNGBH07ypqKofE2j4xEg0IOjktV2AKqSdAmHXKsQhQL56MDouMlz UKcw== 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; bh=xEchJDumlr5zSz/EMCvc3mIu0atKAoLY2c6rM2/WmwA=; b=I03o1AiWe1j8rgwOXriYtNoQqygS46EPNchlDPu8A1I6PBJLkJ9l/AxMsXNE817D2Z xv8xBCzPrpOzaIAGLl5EoofEDcCg1tFYP288ghvMcxc0kh2LIbXZNE+z8ocVgM5hcqIb 7DJV8hR2khyNFRtC7vgm4UDVA1rUpO8zSHUV8oHFDuClc6YM1RDDd//+iGLJrjIapkeV jPF2408EcbEZf5pdLohFe58ltI/v6KQ7D9qaRVzKDMGVXLvbhROC0Z3PiQo1QfTVGQHg uImC1ve8n2H/Olwc5WHb2GDWOLBWhn4rwyBmo1azDkM5vOM9Kjmox1y9sFswwnj4JJd3 89Dg== X-Gm-Message-State: AOAM533epHwARACaAyLWt84POZAMm1C59C880uoHhZeqAnLwsVQRH6we 44SeF0fY38uVf5wjg/oxxw2CWka/ X-Google-Smtp-Source: ABdhPJzzvpOnyFWAZ9LjUtwsQhOc0TLo40Xs9qE+VazD4kcKa3lIteNJVkDHzkZR5ZymXroYPSJ/ow== X-Received: by 2002:a1c:5f41:: with SMTP id t62mr5504254wmb.53.1594393954943; Fri, 10 Jul 2020 08:12:34 -0700 (PDT) Received: from macmini.local (181.4.199.77.rev.sfr.net. [77.199.4.181]) by smtp.gmail.com with ESMTPSA id v24sm13229925wrd.92.2020.07.10.08.12.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 10 Jul 2020 08:12:34 -0700 (PDT) Date: Fri, 10 Jul 2020 17:12:33 +0200 From: Willy Wolff To: Lukasz Luba Cc: Chanwoo Choi , k.konieczny@samsung.com, krzk@kernel.org, kgene@kernel.org, s.nawrocki@samsung.com, b.zolnierkie@samsung.com, chanwoo@kernel.org, myungjoo.ham@samsung.com, kyungmin.park@samsung.com, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: Re: [RFC PATCH 0/2] PM / devfreq: Add delayed timer for polling Message-ID: <20200710151233.ci5c4rgwb64eswy7@macmini.local> References: <20200703062622.11773-1-cw00.choi@samsung.com> <20200703123346.6fy6i33ks6nox46a@macmini.local> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: linux-samsung-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org Hi Lukasz, On 2020-07-08-15-25-03, Lukasz Luba wrote: > Hi Willy, > > On 7/3/20 1:33 PM, Willy Wolff wrote: > > Hi Chanwoo, > > > > I think it doesn't help on the benchmark I suggested that is doing only memory > > accesses. With both timer, I have the same timing. > > > > To test the benchmark with these new patches about timer: > > > > git clone https://github.com/wwilly/benchmark.git \ > > && cd benchmark \ > > && source env.sh \ > > && ./bench_build.sh \ > > && bash source/scripts/test_dvfs_mem_patched.sh > > > > The benchmark is set by default to run for 1s, but you can increase this by > > tweaking the script as: > > > > taskset 8 ./bench_install/bin/microbe_cache 33554431 0 9722222