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=-3.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_NEOMUTT autolearn=ham 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 37436C4360F for ; Tue, 2 Apr 2019 13:22:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 10F89207E0 for ; Tue, 2 Apr 2019 13:22:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731063AbfDBNWl (ORCPT ); Tue, 2 Apr 2019 09:22:41 -0400 Received: from usa-sjc-mx-foss1.foss.arm.com ([217.140.101.70]:51184 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726716AbfDBNWl (ORCPT ); Tue, 2 Apr 2019 09:22:41 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 1FA7016A3; Tue, 2 Apr 2019 06:22:41 -0700 (PDT) Received: from queper01-lin (queper01-lin.cambridge.arm.com [10.1.195.48]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id E0E223F690; Tue, 2 Apr 2019 06:22:39 -0700 (PDT) Date: Tue, 2 Apr 2019 14:22:38 +0100 From: Quentin Perret To: Daniel Lezcano Cc: rjw@rjwysocki.net, tglx@linutronix.de, ulf.hansson@linaro.org, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 3/3] cpuidle/drivers/mbed: Add new governor for embedded systems Message-ID: <20190402132236.7h264nffbgnojznw@queper01-lin> References: <20190308212047.28767-1-daniel.lezcano@linaro.org> <20190308212047.28767-4-daniel.lezcano@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190308212047.28767-4-daniel.lezcano@linaro.org> User-Agent: NeoMutt/20171215 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Daniel, On Friday 08 Mar 2019 at 22:20:47 (+0100), Daniel Lezcano wrote: > Despite the naive idle state selection for this first iteration, the > governor provides a performance improvement of 30% for Jankbench > throughout for the same amount of energy than the menu governor Wow, that sounds really good. Which kernel and board did you use for testing ? What's the perf. metric here ? The 99% percentile of frame completion time ? Cheers, Quentin