Received: by 2002:a05:6358:11c7:b0:104:8066:f915 with SMTP id i7csp2338011rwl; Thu, 6 Apr 2023 08:54:06 -0700 (PDT) X-Google-Smtp-Source: AKy350ZZBN4he+Fb3b/Tp5Nlh5+CzY1Y9EUC4wuofjJDYQDQLd0spsCkNOGrIZAtHKN5zSyWB9eh X-Received: by 2002:a05:6a20:2108:b0:da:7d8a:2cc9 with SMTP id y8-20020a056a20210800b000da7d8a2cc9mr20426pzy.24.1680796446054; Thu, 06 Apr 2023 08:54:06 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1680796446; cv=none; d=google.com; s=arc-20160816; b=odm/2kN/uAt3PtXOtR37kLkPwGke9thfXyJooBHjDNiLAJpr7ymQZK/RyqARnVsYOl 89Bof7he36GlUZUNv1RSL1lLqTmBKiOBkDkhfBXLltMmnTNFbmmD6SsWVjG+7eeRv64V A1g3KyoWDQHB5TK7UflFEMeEHeyJf1Ie44lMVtp3qYo7rDFOdFGtdbNRUAW9IPzz2Qpr 9z8JtuLz1iDwq0CK9UpoHTQTqokyoSKR2Klz/yVV1U++x6mg5BBwaSneYnmceIbKT4+I ppXE3pPcctUiiwW2l8oUgk9MRseQKxBJVrBvYlx/3txHIaV15HE+tz1yH+dOh/5EzZHo a/aw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :message-id:date:subject:cc:to:from; bh=m+oENwgc0aN4QiZkcBrjUYTlNsRlGK2FFTFlbtuf51o=; b=ksUCaB4nmiC7zY68b/Ime1bYICjIxsQtKnufVwxqvmHxaeGAKf09Pa9xGJZj1OlQJO nehCTl+5XUOZxs3NW8m0msD683n6oayB6hGsIdr87E3Zh+XxDzdzkf2vQzUWNJmuMxmn ARNEji0IeYfRioH2ce+9alwAujuTUeGfEI6Hu/aHtXdOuCjI2evzM8DiHSxIujetGZvF kmud68ZCUyjHGuI/XTwFWHSws9jFrHGtpVAr0SXGId6ppFq0QBwLQFb5zduYq/w5m9Ji OQuJ/bS95O0ogLbhL/nKrldhZWlewoLzk+NFjDFiOl+l552nKfeLZkWolq/mIYCVzxs3 RHlg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=arm.com Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id i190-20020a6387c7000000b0050f7c79ce6csi1651885pge.210.2023.04.06.08.53.42; Thu, 06 Apr 2023 08:54:06 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=arm.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239027AbjDFPuv (ORCPT + 99 others); Thu, 6 Apr 2023 11:50:51 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53210 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238941AbjDFPut (ORCPT ); Thu, 6 Apr 2023 11:50:49 -0400 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id CBE169ECB for ; Thu, 6 Apr 2023 08:50:44 -0700 (PDT) Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 92EE4169E; Thu, 6 Apr 2023 08:51:28 -0700 (PDT) Received: from e125579.fritz.box (unknown [172.31.20.19]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id C6C723F6C4; Thu, 6 Apr 2023 08:50:42 -0700 (PDT) From: Dietmar Eggemann To: Ingo Molnar , Peter Zijlstra , Vincent Guittot Cc: Qais Yousef , Kajetan Puchalski , Morten Rasmussen , Vincent Donnefort , Quentin Perret , Abhijeet Dharmapurikar , linux-kernel@vger.kernel.org Subject: [PATCH 0/1] sched: Consider CPU contention in frequency & load-balance busiest CPU selection Date: Thu, 6 Apr 2023 17:50:29 +0200 Message-Id: <20230406155030.1989554-1-dietmar.eggemann@arm.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-2.3 required=5.0 tests=RCVD_IN_DNSWL_MED, SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This is the implementation of the idea to factor in root cfs_rq runnable_avg as a way to consider CPU contention for CPU frequency and `migrate_util` type load-balance busiest CPU selection. Discussion happened under: https://lkml.kernel.org/r/424e2c81-987d-f10e-106d-8b4c611768bc@arm.com Dietmar Eggemann (1): sched: Consider CPU contention in frequency & load-balance busiest CPU selection kernel/sched/cpufreq_schedutil.c | 3 ++- kernel/sched/fair.c | 2 +- kernel/sched/sched.h | 19 +++++++++++++++++++ 3 files changed, 22 insertions(+), 2 deletions(-) -- 2.25.1