From patchwork Fri Aug 25 14:32:05 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dietmar Eggemann X-Patchwork-Id: 111024 Delivered-To: patch@linaro.org Received: by 10.37.128.210 with SMTP id c18csp1045660ybm; Fri, 25 Aug 2017 07:32:52 -0700 (PDT) X-Received: by 10.98.85.2 with SMTP id j2mr8018434pfb.35.1503671572024; Fri, 25 Aug 2017 07:32:52 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1503671572; cv=none; d=google.com; s=arc-20160816; b=nab4kipwj0fwpi4+aUwFBhs6hslL/J6ssIxblL3snWOk9P97RSxgSqzkFeBe9+iuev +9bTn8k/DbkovmidKsho6bME6cKu9uXtSQHSg25F+8B0xMVup4SzYFOolARIsTMsxX0B 1aluBz66zbkvAM+rKM6AVzOJDze1qYdA9Qo4GhVWj9zdIjcKu1m2hjungGNWLPFGyTLR 9GvWWQ4jjHAIHIAMeONG+NuZNDmRChXZcDI8Rl4Vr3ItphylM8k2tezvFd7WJ55KplmM 7bunvdz41JJ+fGlFe73cz4mELVgse5l8SKZxTbM0njxGFpb38LEQ/7WtjS1+ILiLfK2e RXfw== 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=3vV6a0L9Hx5d3aeIgf0AGkmxrQ4j/KylFjUT7+BNnSE=; b=kmxM66wPc+HCcOh3BBFcvLsBusBBTM0UNOPIPOFiWWxRf/Jx0Wc4m7tBdJYWfYzrQY so1rIV4KI0Yqxc7szbHtySwjgFieduirohF8F729NYrudHccFsC+amd2GWaDQD8omA1k fuKLAsRjniusLiZ1OtEeOJygQnKsZ0KnUIs2F1iVoCRkh+5rfVpl4p47IIWJFAHCdUx7 wLWcgKNC7i1N+HaGg224onqPN+Vtib4I6U9PY1smX2IKhBmdqFuAooJi1RR9YYa58QR0 aMmHONQYeS3ph5SnawrdxxfOC26FNttwFN+10EV4p5MvAnma2Hd858CxGOr73yxEbtD+ TZvA== 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 b76si4829213pfe.514.2017.08.25.07.32.51; Fri, 25 Aug 2017 07:32:52 -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 S932983AbdHYOct (ORCPT + 26 others); Fri, 25 Aug 2017 10:32:49 -0400 Received: from usa-sjc-mx-foss1.foss.arm.com ([217.140.101.70]:54142 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932735AbdHYOcr (ORCPT ); Fri, 25 Aug 2017 10:32:47 -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 168E51B4B; Fri, 25 Aug 2017 07:32:47 -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 2476D3F540; Fri, 25 Aug 2017 07:32:45 -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 09/10] arm64: wire frequency-invariant accounting support up to the task scheduler Date: Fri, 25 Aug 2017 15:32:05 +0100 Message-Id: <20170825143206.30467-10-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: Catalin Marinas Cc: Will Deacon Cc: Juri Lelli Signed-off-by: Dietmar Eggemann Acked-by: Catalin Marinas Acked-by: Vincent Guittot Tested-by: Juri Lelli Reviewed-by: Juri Lelli --- arch/arm64/include/asm/topology.h | 5 +++++ 1 file changed, 5 insertions(+) -- 2.11.0 diff --git a/arch/arm64/include/asm/topology.h b/arch/arm64/include/asm/topology.h index 8b57339823e9..44598a86ec4a 100644 --- a/arch/arm64/include/asm/topology.h +++ b/arch/arm64/include/asm/topology.h @@ -32,6 +32,11 @@ int pcibus_to_node(struct pci_bus *bus); #endif /* CONFIG_NUMA */ +#include + +/* Replace task scheduler's default frequency-invariant accounting */ +#define arch_scale_freq_capacity topology_get_freq_scale + #include #endif /* _ASM_ARM_TOPOLOGY_H */