From patchwork Fri Aug 25 14:32:03 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dietmar Eggemann X-Patchwork-Id: 111026 Delivered-To: patch@linaro.org Received: by 10.37.128.210 with SMTP id c18csp1046733ybm; Fri, 25 Aug 2017 07:33:48 -0700 (PDT) X-Received: by 10.99.109.68 with SMTP id i65mr10072492pgc.190.1503671628501; Fri, 25 Aug 2017 07:33:48 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1503671628; cv=none; d=google.com; s=arc-20160816; b=bOcfp6+YcCiGWeTMXyhkdHFsNmLdEqd8qN2RB8N3RMHNfv5Vyxhy8tiiZwoZJ8VsES 0O7mOF0W4P7B72ogShTnz6XBkOm0VEi1F7yDXxUtO9Mizg4ykxzsKvuvSy+3bIaMkHVW 5BJTKphllQwr/yhBF/csWkVF64as7Psc/iixpVT+yK7A6znTdOgDTQyUhfj6pO0790NR +6a+PWyCntpxKVFC6pN8XxH4EDOBNksV9D5U6sB9ZgrWxTTALx9hmTpgJLTcINmqPZbE 0FJl6t+yBgnP0fz9QGJ3iL06LytUJSo9hjJ2PRM0MVyjtsxteqi9IiygWpEifMcCo4GF aUyQ== 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=3m10bSJjk0GQ/G6RTLboTmEichiRL/wDkH5R6pDckRM=; b=0+4k/Ycij8d4nO5b9vl+ujyPlwU06rLgOA+8nkxZl+UULdArFUfJQpemYyLMQ6u08W Q+o/GiraAdhAB7iGA9innfDVBbybJGOGwBxPsATXj0T3Shi8x/bxvN1bejvFEJggN+B3 j611rxKxTZ9F3UqGzHmCf46qS0OiF+VZPn8s8EDoEBCoPBJ2F+/SxeZ5q+yZjQMbit03 M4JeMU/j6C+idU4D2KYe4RqUeKWkdwEgW6n0ZTvspgDYR071uPMY+LMeIcPRvVeD1mNv ocXl6/6EFkHmhUq/lOpKCknVKQauJeuNPG0HTi5NjhDpQ2BXWJKMCPtz7d1e8GTNUNra +pqw== 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 33si2835702plv.203.2017.08.25.07.33.48; Fri, 25 Aug 2017 07:33:48 -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 S933271AbdHYOdp (ORCPT + 26 others); Fri, 25 Aug 2017 10:33:45 -0400 Received: from usa-sjc-mx-foss1.foss.arm.com ([217.140.101.70]:54112 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932619AbdHYOcn (ORCPT ); Fri, 25 Aug 2017 10:32:43 -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 AF1BF1991; Fri, 25 Aug 2017 07:32:42 -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 BCE523F540; Fri, 25 Aug 2017 07:32:40 -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 , Juri Lelli , Vincent Guittot , Peter Zijlstra , Morten Rasmussen , Viresh Kumar , "Rafael J . Wysocki" , Sudeep Holla Subject: [PATCH v4 07/10] arm: wire frequency-invariant accounting support up to the task scheduler Date: Fri, 25 Aug 2017 15:32:03 +0100 Message-Id: <20170825143206.30467-8-dietmar.eggemann@arm.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170825143206.30467-1-dietmar.eggemann@arm.com> References: <20170825143206.30467-1-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 Acked-by: Russell King 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) { }