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=-6.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,URIBL_BLOCKED,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 A8BE8C04E53 for ; Wed, 15 May 2019 09:22:55 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 7B14C2084F for ; Wed, 15 May 2019 09:22:55 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="stglMSQ2" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7B14C2084F Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=A0SEV4qYUhj0Rx3nSyI3Q2Lz7K6f5N/Zl5DMRLNCNc8=; b=stglMSQ2m0p62h 0the6Fv1PXmmjKYF7Fnnf77+ca4WZKsfaRtWZ4cxNP5yHhQ5B0xf9V7Oj/XSrVCsIdEjCqjnZeYkk acSSAOO0rxyq4mIPdSes+uCAwPzM0IfTyPXOTkLKJKJ/opR1himerRbuIVTgpjjdwwEGVSYEYe3X9 OcecHEzvWOJqoX1dIQiOEHhWXiBO4S51jCZPi3B1ztX7em85wZfsNfIDZiEc7Sj3OMynV9ICcXpxe ZN4Qa5N7im+jp3vnxxcYaO1J9UgOmhiBQ28+6PcdeTYUPzMOgEFcij4A6QbXvC+F8oMctTl5xeRE5 3mCKNqdTkvZ5X0M9b9ew==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1hQq7f-00009R-BA; Wed, 15 May 2019 09:22:51 +0000 Received: from usa-sjc-mx-foss1.foss.arm.com ([217.140.101.70] helo=foss.arm.com) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1hQq7c-000096-Rr for linux-arm-kernel@lists.infradead.org; Wed, 15 May 2019 09:22:50 +0000 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 6C126341; Wed, 15 May 2019 02:22:48 -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 DBFCF3F703; Wed, 15 May 2019 02:22:45 -0700 (PDT) Date: Wed, 15 May 2019 10:22:44 +0100 From: Quentin Perret To: Daniel Lezcano Subject: Re: [PATCH v4 1/3] arm64: defconfig: Enable CONFIG_ENERGY_MODEL Message-ID: <20190515092242.azcracudtdnruwnz@queper01-lin> References: <20190515082318.7993-1-quentin.perret@arm.com> <20190515082318.7993-2-quentin.perret@arm.com> <2f598ea3-752d-0f1d-fd33-f07cda3b7bd0@linaro.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <2f598ea3-752d-0f1d-fd33-f07cda3b7bd0@linaro.org> User-Agent: NeoMutt/20171215 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190515_022248_901637_4145CD66 X-CRM114-Status: GOOD ( 14.33 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-pm@vger.kernel.org, viresh.kumar@linaro.org, amit.kachhap@gmail.com, rjw@rjwysocki.net, linux-kernel@vger.kernel.org, will.deacon@arm.com, edubezval@gmail.com, mka@chromium.org, catalin.marinas@arm.com, rui.zhang@intel.com, javi.merino@kernel.org, ionela.voinescu@arm.com, dietmar.eggemann@arm.com, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wednesday 15 May 2019 at 10:46:09 (+0200), Daniel Lezcano wrote: > On 15/05/2019 10:23, Quentin Perret wrote: > > The recently introduced Energy Model (EM) framework manages power cost > > tables for the CPUs of the system. Its only user right now is the > > scheduler, in the context of Energy Aware Scheduling (EAS). > > > > However, the EM framework also offers a generic infrastructure that > > could replace subsystem-specific implementations of the same concepts, > > as this is the case in the thermal framework. > > > > So, in order to prepare the migration of the thermal subsystem to use > > the EM framework, enable it in the default arm64 defconfig, which is the > > most commonly used architecture for IPA. This will also compile-in all > > of the EAS code, although it won't be enabled by default -- EAS requires > > to use the 'schedutil' CPUFreq governor while arm64 defaults to > > 'performance'. > > > > Acked-by: Viresh Kumar > > Signed-off-by: Quentin Perret > > Acked-by: Daniel Lezcano Thanks ! Quentin _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel