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=-9.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 EFB07CA9EA0 for ; Tue, 22 Oct 2019 20:34:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BF79821848 for ; Tue, 22 Oct 2019 20:34:39 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="LOTbe5dQ" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389456AbfJVUej (ORCPT ); Tue, 22 Oct 2019 16:34:39 -0400 Received: from mail-qt1-f194.google.com ([209.85.160.194]:36324 "EHLO mail-qt1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389421AbfJVUef (ORCPT ); Tue, 22 Oct 2019 16:34:35 -0400 Received: by mail-qt1-f194.google.com with SMTP id d17so14263884qto.3 for ; Tue, 22 Oct 2019 13:34:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=701bwJkgXICGE6R4e0XJPVYqMBI43tK0euoxsDFO4As=; b=LOTbe5dQz9HElq6SSgUYDkeqOyhYlUEiZ3yK9hgo3Hg7ydcyVa1JFpNTOmE5UWnMM/ 98edzR1GiBVZGxYZEWj5XIcdz6Oz2zipi3YWH95sZZcJFoBcomKv74qT8P7vTiLnt4uU oTiGKRusAka7VAY2NosSr1SKyC6rmtpEHAEBlDLNSd47Q5laK7aJXxg1M/l3jm51Aw4b RcvajLgnaHQqN76OJWTuIL+DUP7arPj1p3BZJpUOSUBWJVvEC/4YoFo5OYcJFn8UbJVm rNOdg0CV8CjuI5PRvNg6jUcQXcWPHOvpjXUT+i12cKTzKbkLMQ/S6dDXPDGURzU6zzk0 snnA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=701bwJkgXICGE6R4e0XJPVYqMBI43tK0euoxsDFO4As=; b=Q6yxIpWViLTEsXB36nGFGGuFVs+DVc9aNlYzGelN4GT8jM5G8YV4JxoM542VmWwM9s 9p3FthBdQvXWBXPh+FV3A6izUJF19fy3Z+fIsxKpPOK8zShSrLiqZF5YAQDpBfVCtehy 60D6NHZ2FRoICOmalk7aPAS5PuN+aSwG15l/6xwqHxItjXJbcn7H57glkM97rwhhdQ6a s3wrjaVkbpHfAlu4391a9EwkLxCfhQKLgmTU3/1IEvyj3U+z/6HK8cpPdNsxPCrQM/XP dqudXI4Is/qmpqCpq1+QLNmRKqq0GBgXsz8Td8liUQ1dWDiXXPMML975YKgoOmE/Dhkp KYJQ== X-Gm-Message-State: APjAAAXcrn5yAVFTAM+qMpQw4hjZj1GqxxDXRzjwzkCMnNqRAzoolBH+ nUGXLgIG6UkhJQkQV2V0ssQ7dw== X-Google-Smtp-Source: APXvYqzrHS5+s1s6grnuJFaCPRRlYr11mb6Qdyx1esnaPCgUqVAcc1LI8Hf98NQdDpcPN0DR3BGxQA== X-Received: by 2002:a0c:e6e5:: with SMTP id m5mr5091013qvn.170.1571776474076; Tue, 22 Oct 2019 13:34:34 -0700 (PDT) Received: from Thara-Work-Ubuntu.fios-router.home (pool-71-255-246-27.washdc.fios.verizon.net. [71.255.246.27]) by smtp.googlemail.com with ESMTPSA id r126sm8895038qke.98.2019.10.22.13.34.32 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Tue, 22 Oct 2019 13:34:33 -0700 (PDT) From: Thara Gopinath To: mingo@redhat.com, peterz@infradead.org, ionela.voinescu@arm.com, vincent.guittot@linaro.org, rui.zhang@intel.com, edubezval@gmail.com, qperret@google.com Cc: linux-kernel@vger.kernel.org, amit.kachhap@gmail.com, javi.merino@kernel.org, daniel.lezcano@linaro.org Subject: [Patch v4 4/6] sched/fair: update cpu_capcity to reflect thermal pressure Date: Tue, 22 Oct 2019 16:34:23 -0400 Message-Id: <1571776465-29763-5-git-send-email-thara.gopinath@linaro.org> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1571776465-29763-1-git-send-email-thara.gopinath@linaro.org> References: <1571776465-29763-1-git-send-email-thara.gopinath@linaro.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org cpu_capacity relflects the maximum available capacity of a cpu. Thermal pressure on a cpu means this maximum available capacity is reduced. This patch reduces the average thermal pressure for a cpu from its maximum available capacity so that cpu_capacity reflects the actual available capacity. Signed-off-by: Thara Gopinath --- kernel/sched/fair.c | 1 + 1 file changed, 1 insertion(+) diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 4f9c2cb..be3e802 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -7727,6 +7727,7 @@ static unsigned long scale_rt_capacity(struct sched_domain *sd, int cpu) used = READ_ONCE(rq->avg_rt.util_avg); used += READ_ONCE(rq->avg_dl.util_avg); + used += READ_ONCE(rq->avg_thermal.load_avg); if (unlikely(used >= max)) return 1; -- 2.1.4