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=-15.8 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 A18E6C433C1 for ; Sat, 27 Mar 2021 10:14:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 79AE761A0A for ; Sat, 27 Mar 2021 10:14:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231559AbhC0KOT (ORCPT ); Sat, 27 Mar 2021 06:14:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51234 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231550AbhC0KOS (ORCPT ); Sat, 27 Mar 2021 06:14:18 -0400 Received: from mail-qk1-x736.google.com (mail-qk1-x736.google.com [IPv6:2607:f8b0:4864:20::736]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9C58AC0613B1; Sat, 27 Mar 2021 03:14:17 -0700 (PDT) Received: by mail-qk1-x736.google.com with SMTP id c4so7844898qkg.3; Sat, 27 Mar 2021 03:14:17 -0700 (PDT) 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=fiMm0QWfMi21rH/2ymiXZtZhTYWphD7xBhYNKRl9+a8=; b=eqPvl6OiUp1WHrnW1k/QJTEnq2l6wBKvfdAfbCRIELrnK3UvM8UEmtIwTxf5onUJtE +Qtj6WRHQUusGC36bDdn2Dv6qabHxCZnaQ3o+B+mO05XQD9JmCWupxxbnWhUkcXjKI3G pQx9Oiu/mE0qXKyNPEWw6nfePV2WcAPsoLaIJ8Z9Cm1N7U+v/QCxzXu2zbowqkuxYv+A gZLClOLK1Aa5lKh0LbxLZnQzpoqWoXxAfYoSDKa1SMEpTlr38CDnqRHql7hQpMqJIS6P sD/TygFTGIEqP1BV+3lbuxbjRYFlqB/stXbPp76nW8L8X0mwk8Yw0lfEYZWZzXuT0uci jung== 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=fiMm0QWfMi21rH/2ymiXZtZhTYWphD7xBhYNKRl9+a8=; b=dsXxpseXVMDwb6C8Fq9V8sM9pQkwrPPw+m1OcsPB4ZezZzhuUQLVf1KAqdBJYsDXY5 4btP8YmOWfemUEj03MFJJw9X4VLPRWBJ+LAdH7iYVnwHaTizdC4OTkx3fXbmzoFrS0Pa 8XR4GXqKWJDrxv6+FWlyQ4gIwNlfs1s+jCs++vCWHVGmL1q3AEagOl3GiCucTKYga0wX NHueGF2Jovgh1fzB+c6HFXTXLzrtOe8NIho47NeM0xPlgaowb1Yr/h60gmngyXudIDRN 4mpZTJHjXKjovQrbhlAceXOI2i0U6HGHczz7vPutMKBtq5JhhadbXkSK7YYS+PY78TSM w/IA== X-Gm-Message-State: AOAM532gMDg7vxPW/Hkz0tAGP3qHqS/u7F7bVaAeMPB8JjK/7aKCoE/s 1cIOm959g2Y7VZQyJeminFQ= X-Google-Smtp-Source: ABdhPJwaSCYe7dFPNVzaYghfJ1MWJap/oSbA7ourAobrmEVzVRXeBbF6VrEQAzeloDRVyFKoMge2iw== X-Received: by 2002:a37:a5c2:: with SMTP id o185mr17763928qke.428.1616840056963; Sat, 27 Mar 2021 03:14:16 -0700 (PDT) Received: from localhost.localdomain ([50.236.19.102]) by smtp.gmail.com with ESMTPSA id d14sm7404053qtr.55.2021.03.27.03.14.12 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Sat, 27 Mar 2021 03:14:16 -0700 (PDT) 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 Cc: linux-kernel@vger.kernel.org, linux-rt-users@vger.kernel.org, Yafang Shao Subject: [PATCH v2 5/6] sched, rt: support sched_stat_runtime tracepoint for RT sched class Date: Sat, 27 Mar 2021 18:12:52 +0800 Message-Id: <20210327101254.56872-6-laoar.shao@gmail.com> X-Mailer: git-send-email 2.24.3 (Apple Git-128) In-Reply-To: <20210327101254.56872-1-laoar.shao@gmail.com> References: <20210327101254.56872-1-laoar.shao@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-rt-users@vger.kernel.org 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 --- kernel/sched/rt.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/kernel/sched/rt.c b/kernel/sched/rt.c index 34ad07fb924e..ae5282484710 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); -- 2.18.2