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=-8.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_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 D564AECDE3A for ; Tue, 9 Oct 2018 16:25:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 932C9214C5 for ; Tue, 9 Oct 2018 16:25:17 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=linaro.org header.i=@linaro.org header.b="aFYhAl95" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 932C9214C5 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727336AbeJIXm6 (ORCPT ); Tue, 9 Oct 2018 19:42:58 -0400 Received: from mail-qt1-f195.google.com ([209.85.160.195]:35867 "EHLO mail-qt1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727298AbeJIXm6 (ORCPT ); Tue, 9 Oct 2018 19:42:58 -0400 Received: by mail-qt1-f195.google.com with SMTP id u34-v6so2301885qth.3 for ; Tue, 09 Oct 2018 09:25:14 -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=k9t4ZQyhj3UHB2vpFiS96ld6Wm363DNdyAeKB8jO/D8=; b=aFYhAl95BW4L9QN7e/W030cStVJJKryh0zaKjg8BqMNvfm+X6GuHEX527vtwOs3Ldh bz9Vaf0vkJ7P/PAPDf/xA501Z1tQhjteOvNnC0nX9hyw5yFyLAH5Q2jJVIfU0Y079fwh ntW/ZjBmwdH4k4/iIBE19vywXV1+vj6FBLhzk= 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=k9t4ZQyhj3UHB2vpFiS96ld6Wm363DNdyAeKB8jO/D8=; b=LyHoTRZtlhJHpLKnIPcR4FY6f0yHigikzclyNvUXy8SaCLRjN2OcpqApDuD0cWaWsd Q0DTIY8s4toIkaNoHTVoi79+7RjLOUVALwi2cFp+NhHuFma32RZ31ISDG6mpVmRfHu0T Z55TisAKbhOHR06cbSZQeBCX3pFdADuVl+qlVcBJw1sEDrb02VsTQlIR6or/NsX8xUVB AJ0IOdq+DLDA0P3oWfdhNg1vDmL8QZmyKK3b9Vt7rVC08TuBpTxf4LZfwiGl3CIyEfFc GVdtf6KEa2D4Aoo4D+5CwJ3t026NyHdZ6ke4mgx8MdYTyzztH2B1GfwHclG8zHHp7QpX 5KrQ== X-Gm-Message-State: ABuFfoh8VDttNFCqSlpbRn2V28l7rsCo+bDmLB2lPJFq4PuYmSMmJoxA N3Vcwpmp7GfBiGhUkEKEdAJoxM8vFPJK9Q== X-Google-Smtp-Source: ACcGV60Q8Q69K6x6jktKcbORVVIYHWgG+VD+W/6rLUgk92I9qhk1TLvvekYSF1tpP8fUeEnSMsUVyQ== X-Received: by 2002:ad4:414b:: with SMTP id z11-v6mr19680915qvp.206.1539102314077; Tue, 09 Oct 2018 09:25:14 -0700 (PDT) Received: from Thara-Work-Ubuntu.fios-router.home (pool-71-255-245-97.washdc.fios.verizon.net. [71.255.245.97]) by smtp.googlemail.com with ESMTPSA id o7-v6sm10441169qkc.67.2018.10.09.09.25.12 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Tue, 09 Oct 2018 09:25:13 -0700 (PDT) From: Thara Gopinath To: linux-kernel@vger.kernel.org, mingo@redhat.com, peterz@infradead.org, rui.zhang@intel.com Cc: gregkh@linuxfoundation.org, rafael@kernel.org, amit.kachhap@gmail.com, viresh.kumar@linaro.org, javi.merino@kernel.org, edubezval@gmail.com, daniel.lezcano@linaro.org, linux-pm@vger.kernel.org, quentin.perret@arm.com, ionela.voinescu@arm.com, vincent.guittot@linaro.org Subject: [RFC PATCH 5/7] sched/fair: Enable CFS periodic tick to update thermal pressure Date: Tue, 9 Oct 2018 12:25:00 -0400 Message-Id: <1539102302-9057-6-git-send-email-thara.gopinath@linaro.org> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1539102302-9057-1-git-send-email-thara.gopinath@linaro.org> References: <1539102302-9057-1-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 Introduce support in CFS periodic tick to trigger the process of computing average thermal pressure for a cpu. Signed-off-by: Thara Gopinath --- kernel/sched/fair.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index b39fb59..7deb1d0 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -21,6 +21,7 @@ * Copyright (C) 2007 Red Hat, Inc., Peter Zijlstra */ #include "sched.h" +#include "thermal.h" #include @@ -9557,6 +9558,8 @@ static void task_tick_fair(struct rq *rq, struct task_struct *curr, int queued) if (static_branch_unlikely(&sched_numa_balancing)) task_tick_numa(rq, curr); + + update_periodic_maxcap(rq); } /* -- 2.1.4