From patchwork Thu Jul 27 19:33:09 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dietmar Eggemann X-Patchwork-Id: 108858 Delivered-To: patch@linaro.org Received: by 10.140.101.44 with SMTP id t41csp2485201qge; Thu, 27 Jul 2017 12:34:54 -0700 (PDT) X-Received: by 10.101.76.3 with SMTP id u3mr4999372pgq.119.1501184094271; Thu, 27 Jul 2017 12:34:54 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1501184094; cv=none; d=google.com; s=arc-20160816; b=y2B47R05gO4dJ5KwmD3XXpcfKg+BDsPaCD5L7gUwk0Sy9/1RXMnWZbxrHczh8Mg7Tm 9TvTEHvrt2FXXpIaeS61L2XKdxKp2HA4v5ylceFzvKzE0ce+HI8eV4BXnSXZVRwX5t5G zsY94uswyoMY2XZ3MAKdoidQw53kaaT1IleXwDoXZAjpxgZD7UeYaKsGjGTZogpcUjyl PxMXf4QnvAb7U8e2ghZxMVejlFy4OZCDftvxaw3+Px04a6g+MdpkEKPBxUm2R4ijo/lh IetxGMsdBGHq0R1NgxRc2I8YK8irR1PhbwTtxFv82j6ean1VwkmtTLvnyZzyjbSNRmYa tKFw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:references:in-reply-to:message-id:date :subject:cc:to:from:arc-authentication-results; bh=Olvg/VktSUwe2XWeKFR75BWzqm9p2BVCeFeksGmvzjQ=; b=NHVkp2BACJ7xY13vkedqnyFsC+rrYVdXjQMRcuMpAMDRIPIiatFjeAchAT+Pq+n/R4 c9Y+nKLGX0yHsdUKDVWcAYVexbyNHXYEQOIsHhx8NpcC7+TrYX+q7iHuEi+G3GVxfuNr HzqjysLWs+c8WOxxLQQvslrbZQSMxP0XHxhOcgC/q7VmPSpwlgMf9MLQ1HIWo8/smohX Pka2NELVZI3MPd1jvUDqkOzfA/oKnoMgNrWX7C0G08QhcP5kk6TSbEtKBD7bSHfIBXpE WExcGdORCsU9/oFG/r/2gV7gOjGXc12AEFtSxTAQJyfgVw4d5lCbuC32bKeLCCkdbA0O 31HA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id y10si11432163pgo.679.2017.07.27.12.34.53; Thu, 27 Jul 2017 12:34:54 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751921AbdG0Tev (ORCPT + 26 others); Thu, 27 Jul 2017 15:34:51 -0400 Received: from usa-sjc-mx-foss1.foss.arm.com ([217.140.101.70]:51134 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751804AbdG0Tdz (ORCPT ); Thu, 27 Jul 2017 15:33:55 -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 ABB1E165C; Thu, 27 Jul 2017 12:33:54 -0700 (PDT) Received: from e107985-lin.cambridge.arm.com (e107985-lin.cambridge.arm.com [10.1.210.41]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 7268A3F540; Thu, 27 Jul 2017 12:33:52 -0700 (PDT) From: Dietmar Eggemann To: linux-kernel@vger.kernel.org Cc: linux-pm@vger.kernel.org, linux@arm.linux.org.uk, Greg Kroah-Hartman , Russell King , Catalin Marinas , Will Deacon , Juri Lelli , Vincent Guittot , Peter Zijlstra , Morten Rasmussen , Viresh Kumar , "Rafael J . Wysocki" , Sudeep Holla Subject: [PATCH v3 07/10] arm: wire frequency-invariant accounting support up to the task scheduler Date: Thu, 27 Jul 2017 20:33:09 +0100 Message-Id: <20170727193312.9849-8-dietmar.eggemann@arm.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170727193312.9849-1-dietmar.eggemann@arm.com> References: <20170727193312.9849-1-dietmar.eggemann@arm.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit dfbca41f3479 ("sched: Optimize freq invariant accounting") changed the wiring which now has to be done by associating arch_scale_freq_capacity with the actual implementation provided by the architecture. Define arch_scale_freq_capacity to use the arch_topology "driver" function topology_get_freq_scale() for the task scheduler's frequency-invariant accounting instead of the default arch_scale_freq_capacity() in kernel/sched/sched.h. Cc: Russell King Cc: Juri Lelli Signed-off-by: Dietmar Eggemann Acked-by: Vincent Guittot Tested-by: Juri Lelli Reviewed-by: Juri Lelli --- arch/arm/include/asm/topology.h | 5 +++++ 1 file changed, 5 insertions(+) -- 2.11.0 diff --git a/arch/arm/include/asm/topology.h b/arch/arm/include/asm/topology.h index 370f7a732900..a56a9e24f4c0 100644 --- a/arch/arm/include/asm/topology.h +++ b/arch/arm/include/asm/topology.h @@ -24,6 +24,11 @@ void init_cpu_topology(void); void store_cpu_topology(unsigned int cpuid); const struct cpumask *cpu_coregroup_mask(int cpu); +#include + +/* Replace task scheduler's default frequency-invariant accounting */ +#define arch_scale_freq_capacity topology_get_freq_scale + #else static inline void init_cpu_topology(void) { }