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=-20.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS 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 77552C433FE for ; Thu, 16 Sep 2021 11:59:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5D6036136F for ; Thu, 16 Sep 2021 11:59:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238810AbhIPMBF (ORCPT ); Thu, 16 Sep 2021 08:01:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41176 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238763AbhIPMAv (ORCPT ); Thu, 16 Sep 2021 08:00:51 -0400 Received: from galois.linutronix.de (Galois.linutronix.de [IPv6:2a0a:51c0:0:12e:550::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 02FAAC061768; Thu, 16 Sep 2021 04:59:31 -0700 (PDT) Date: Thu, 16 Sep 2021 11:59:28 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1631793569; h=from:from:sender:sender:reply-to:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=Ju5wpRy5VCaPdOH7TPFt5oHq8rBah+cvHqE9dNm/Q+A=; b=c9CEY2RJ8v9V3oi9eNQnh6XIhdpWY9wdojObRzoIBLmYFnx12YuZ4I+/K6azSTKRN6Ul7C c7b95/qv3l/rsKnODBOvY3Y4iB2LZBv4nKvYx/WFqIrWUhY5YQArvII18f/rrj/lp5XKv3 8h3aSS5XJoM0f8VvV+ODPFI8e2+3NemSEZEKyKBDKTORPgnvBSO2I5NT8kzS5ijSXa0R6e W0V8j/w5GjXsFcDWD/6it8CThULAA8hzPrvk6Zp9113f3AZI9TW6bbok5jBuY8UOdHlZVT /Xstv86GsJ76rK319G8DcfFGWdGCRAj+pFhN3+3GYbZa0giTtDvfQhF/czZHJg== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1631793569; h=from:from:sender:sender:reply-to:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=Ju5wpRy5VCaPdOH7TPFt5oHq8rBah+cvHqE9dNm/Q+A=; b=xowXicWbhPDcg0JLJO1w45+8OF7nowDpQk6Oo+x7AfdYUubIkhD4E1Y3DUJk6idXl3tuCY awJ/0RjO0hPHlLAA== From: "tip-bot2 for Yafang Shao" Sender: tip-bot2@linutronix.de Reply-to: linux-kernel@vger.kernel.org To: linux-tip-commits@vger.kernel.org Subject: [tip: sched/core] sched/rt: Support sched_stat_runtime tracepoint for RT sched class Cc: Yafang Shao , "Peter Zijlstra (Intel)" , x86@kernel.org, linux-kernel@vger.kernel.org In-Reply-To: <20210905143547.4668-6-laoar.shao@gmail.com> References: <20210905143547.4668-6-laoar.shao@gmail.com> MIME-Version: 1.0 Message-ID: <163179356891.25758.1697118289025220625.tip-bot2@tip-bot2> Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The following commit has been merged into the sched/core branch of tip: Commit-ID: 75ded49a19c6b655bba7ff9e5541daef4f882d78 Gitweb: https://git.kernel.org/tip/75ded49a19c6b655bba7ff9e5541daef4f882d78 Author: Yafang Shao AuthorDate: Sun, 05 Sep 2021 14:35:44 Committer: Peter Zijlstra CommitterDate: Wed, 15 Sep 2021 17:48:59 +02:00 sched/rt: Support sched_stat_runtime tracepoint for RT sched class The runtime of a RT task has already been there, so we only need to add a tracepoint. One difference between fair task and RT task is that there is no vruntime in RT task. To reuse the sched_stat_runtime tracepoint, '0' is passed as vruntime for RT task. The output of this tracepoint for RT task as follows, stress-9748 [039] d.h. 113.519352: sched_stat_runtime: comm=stress pid=9748 runtime=997573 [ns] vruntime=0 [ns] stress-9748 [039] d.h. 113.520352: sched_stat_runtime: comm=stress pid=9748 runtime=997627 [ns] vruntime=0 [ns] stress-9748 [039] d.h. 113.521352: sched_stat_runtime: comm=stress pid=9748 runtime=998203 [ns] vruntime=0 [ns] Signed-off-by: Yafang Shao Signed-off-by: Peter Zijlstra (Intel) Link: https://lore.kernel.org/r/20210905143547.4668-6-laoar.shao@gmail.com --- kernel/sched/rt.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/kernel/sched/rt.c b/kernel/sched/rt.c index 95a7c3a..5d25111 100644 --- a/kernel/sched/rt.c +++ b/kernel/sched/rt.c @@ -1012,6 +1012,8 @@ static void update_curr_rt(struct rq *rq) schedstat_set(curr->stats.exec_max, max(curr->stats.exec_max, delta_exec)); + trace_sched_stat_runtime(curr, delta_exec, 0); + curr->se.sum_exec_runtime += delta_exec; account_group_exec_runtime(curr, delta_exec);