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=-15.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,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 372B5C83014 for ; Tue, 1 Dec 2020 11:56:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D6D812084C for ; Tue, 1 Dec 2020 11:56:53 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="sMLmmeHJ" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389783AbgLAL4j (ORCPT ); Tue, 1 Dec 2020 06:56:39 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50310 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389039AbgLAL4c (ORCPT ); Tue, 1 Dec 2020 06:56:32 -0500 Received: from mail-oi1-x244.google.com (mail-oi1-x244.google.com [IPv6:2607:f8b0:4864:20::244]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3B1C9C0613D4; Tue, 1 Dec 2020 03:55:52 -0800 (PST) Received: by mail-oi1-x244.google.com with SMTP id f11so1450906oij.6; Tue, 01 Dec 2020 03:55:52 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=1totvta4MYx/IWBz7d/RYAzHEnXN/7YX7D4elOq7TTs=; b=sMLmmeHJmIuef9ZKoH2JjQdNALszqLf6iCOKtINubKdPzSDybTx+femwo88aSDcviz ur+X2hCg0anXhb7tvvFlmUQperjKB1xCEqSR5fN0H6KAq0vZkUrnfYc0iok6RkBH7J16 oknXMTsCrzDcnx5Zl69MSxs7DkmFT5w56e0Z5MyCEkYHLe3Ryv4jzXJJfKZhKCNrzbMl ndOd0twBCC3opNN/o6EXRsl0TRdJ4QcU3fotqePc4UonD3mr/ZfWCyxQFOq3uev0D6bG ZPLOkaAprnisezk1BMZgIxhET8da1ozSX8Gwf4BZyl+NAsthE2lkyWryyTDqqGhXdGVD c5yQ== 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:mime-version:content-transfer-encoding; bh=1totvta4MYx/IWBz7d/RYAzHEnXN/7YX7D4elOq7TTs=; b=WmfhotLtRPHq4KGRGvSAF8l6UMdj05yRR56dBal8Wl9f4J3nKfJp4uMSCVOBOlDk6g iQJxMnZauyf/+Xa3FmzESBcGZskeCD8HQos1o28j6Kk3C/uOBY3jOevs9tXEpIkTaHMv sz3XhTtyW5WGRxYFFnxgrt/jrgzgnuu+N+KavRA9ZbEsVMzOuWaojGlyghfD2/+8c+K+ GWDnhPVQiOKe4zrbTfqb3PZjfQ85ogg5KcmUDeDSqa8JIrwj1Nea9MHBeaE59PEvyxNC El+iiA8L6W1K0cq+abd+2JPL7gISStyYTMGbRJZfFHp6Ub6ujpbLJ7whe7jukAP+bBm2 oJYw== X-Gm-Message-State: AOAM5318FWmiqBTm8dJ6s0wTq/38+lBm9C4ApE8/FJN7eTD6UYJaeN4d 6AN38wmmqLtY7shVAjMzS6U= X-Google-Smtp-Source: ABdhPJyRL24dwuqp3Fc21IO2Lu3zpVD5AX3ZlMyU5KUgFxfM3HzK90aKXrifUKc2n3ZIRghlZuD/iw== X-Received: by 2002:a54:4d8f:: with SMTP id y15mr1461791oix.150.1606823751734; Tue, 01 Dec 2020 03:55:51 -0800 (PST) Received: from localhost.localdomain ([122.225.203.131]) by smtp.gmail.com with ESMTPSA id o6sm342592oon.7.2020.12.01.03.55.43 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Tue, 01 Dec 2020 03:55:51 -0800 (PST) From: Yafang Shao To: mgorman@suse.de, mingo@redhat.com, peterz@infradead.org, juri.lelli@redhat.com, vincent.guittot@linaro.org, dietmar.eggemann@arm.com, rostedt@goodmis.org, bsegall@google.com, bristot@redhat.com, qianjun.kernel@gmail.com Cc: linux-kernel@vger.kernel.org, linux-rt-users@vger.kernel.org, Yafang Shao Subject: [PATCH 5/6] sched, rt: support sched_stat_runtime tracepoint for RT sched class Date: Tue, 1 Dec 2020 19:54:15 +0800 Message-Id: <20201201115416.26515-6-laoar.shao@gmail.com> X-Mailer: git-send-email 2.24.3 (Apple Git-128) In-Reply-To: <20201201115416.26515-1-laoar.shao@gmail.com> References: <20201201115416.26515-1-laoar.shao@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The runtime of a RT task has already been there, so we only need to place the sched_stat_runtime tracepoint there. 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 --- kernel/sched/rt.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/kernel/sched/rt.c b/kernel/sched/rt.c index 2d543a270dfe..da989653b0a2 100644 --- a/kernel/sched/rt.c +++ b/kernel/sched/rt.c @@ -1011,6 +1011,8 @@ 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); -- 2.18.4