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=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, 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 8417AC4BA10 for ; Wed, 26 Feb 2020 12:46:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 653FC2467F for ; Wed, 26 Feb 2020 12:46:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727238AbgBZMqH (ORCPT ); Wed, 26 Feb 2020 07:46:07 -0500 Received: from foss.arm.com ([217.140.110.172]:35352 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727103AbgBZMqC (ORCPT ); Wed, 26 Feb 2020 07:46:02 -0500 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 73FF2101E; Wed, 26 Feb 2020 04:46:02 -0800 (PST) Received: from e113632-lin.cambridge.arm.com (e113632-lin.cambridge.arm.com [10.1.194.46]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 37C4E3FA00; Wed, 26 Feb 2020 04:46:01 -0800 (PST) From: Valentin Schneider To: linux-kernel@vger.kernel.org Cc: mingo@kernel.org, peterz@infradead.org, vincent.guittot@linaro.org, Dietmar.Eggemann@arm.com, patrick.bellasi@matbug.net, qais.yousef@arm.com, t1zhou@aliyun.com Subject: [PATCH v2 3/3] sched/debug: Add task uclamp values to SCHED_DEBUG procfs Date: Wed, 26 Feb 2020 12:45:43 +0000 Message-Id: <20200226124543.31986-4-valentin.schneider@arm.com> X-Mailer: git-send-email 2.24.0 In-Reply-To: <20200226124543.31986-1-valentin.schneider@arm.com> References: <20200226124543.31986-1-valentin.schneider@arm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Requested and effective uclamp values can be a bit tricky to decipher when playing with cgroup hierarchies. Add them to a task's procfs when SCHED_DEBUG is enabled. Signed-off-by: Valentin Schneider --- kernel/sched/debug.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/kernel/sched/debug.c b/kernel/sched/debug.c index 315ef6de3cc4..a562df57a86e 100644 --- a/kernel/sched/debug.c +++ b/kernel/sched/debug.c @@ -946,6 +946,12 @@ void proc_sched_show_task(struct task_struct *p, struct pid_namespace *ns, P(se.avg.last_update_time); P(se.avg.util_est.ewma); P(se.avg.util_est.enqueued); +#endif +#ifdef CONFIG_UCLAMP_TASK + __PS("uclamp.min", p->uclamp[UCLAMP_MIN].value); + __PS("uclamp.max", p->uclamp[UCLAMP_MAX].value); + __PS("effective uclamp.min", uclamp_eff_value(p, UCLAMP_MIN)); + __PS("effective uclamp.max", uclamp_eff_value(p, UCLAMP_MAX)); #endif P(policy); P(prio); -- 2.24.0