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=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 DEB8AC2B9F4 for ; Tue, 22 Jun 2021 07:59:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C988061289 for ; Tue, 22 Jun 2021 07:59:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230433AbhFVICJ (ORCPT ); Tue, 22 Jun 2021 04:02:09 -0400 Received: from foss.arm.com ([217.140.110.172]:44126 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230384AbhFVIB7 (ORCPT ); Tue, 22 Jun 2021 04:01:59 -0400 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 58874D6E; Tue, 22 Jun 2021 00:59:44 -0700 (PDT) Received: from e123648.arm.com (unknown [10.57.9.49]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 279F43F718; Tue, 22 Jun 2021 00:59:42 -0700 (PDT) From: Lukasz Luba To: linux-kernel@vger.kernel.org, daniel.lezcano@linaro.org Cc: linux-pm@vger.kernel.org, amitk@kernel.org, rui.zhang@intel.com, lukasz.luba@arm.com, dietmar.eggemann@arm.com, Chris.Redpath@arm.com, Beata.Michalska@arm.com, viresh.kumar@linaro.org, rjw@rjwysocki.net, amit.kachhap@gmail.com Subject: [RFC PATCH 3/4] cpufreq: Add Active Stats calls tracking frequency changes Date: Tue, 22 Jun 2021 08:59:24 +0100 Message-Id: <20210622075925.16189-4-lukasz.luba@arm.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210622075925.16189-1-lukasz.luba@arm.com> References: <20210622075925.16189-1-lukasz.luba@arm.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The Active Stats framework tracks and accounts the activity of the CPU for each performance level. It accounts the real residency, when the CPU was not idle, at a given performance level. This patch adds needed calls which provide the CPU frequency transition events to the Active Stats framework. Signed-off-by: Lukasz Luba --- drivers/cpufreq/cpufreq.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index 802abc925b2a..d79cb9310572 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -14,6 +14,7 @@ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt +#include #include #include #include @@ -387,6 +388,8 @@ static void cpufreq_notify_transition(struct cpufreq_policy *policy, cpufreq_stats_record_transition(policy, freqs->new); policy->cur = freqs->new; + + active_stats_cpu_freq_change(policy->cpu, freqs->new); } } @@ -2085,6 +2088,8 @@ unsigned int cpufreq_driver_fast_switch(struct cpufreq_policy *policy, policy->cpuinfo.max_freq); cpufreq_stats_record_transition(policy, freq); + active_stats_cpu_freq_fast_change(policy->cpu, freq); + if (trace_cpu_frequency_enabled()) { for_each_cpu(cpu, policy->cpus) trace_cpu_frequency(freq, cpu); -- 2.17.1