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=-11.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 0BE1AC48BD4 for ; Tue, 25 Jun 2019 08:27:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D668120665 for ; Tue, 25 Jun 2019 08:27:44 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=zytor.com header.i=@zytor.com header.b="hk3w5a4R" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730392AbfFYI1n (ORCPT ); Tue, 25 Jun 2019 04:27:43 -0400 Received: from terminus.zytor.com ([198.137.202.136]:56097 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727835AbfFYI1n (ORCPT ); Tue, 25 Jun 2019 04:27:43 -0400 Received: from terminus.zytor.com (localhost [127.0.0.1]) by terminus.zytor.com (8.15.2/8.15.2) with ESMTPS id x5P8RAkW3530187 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NO); Tue, 25 Jun 2019 01:27:10 -0700 DKIM-Filter: OpenDKIM Filter v2.11.0 terminus.zytor.com x5P8RAkW3530187 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=zytor.com; s=2019061801; t=1561451231; bh=+ZN9/QPz9wc5gfEP0xmU54nfW6Ec1tILXhks4RnBJWU=; h=Date:From:Cc:Reply-To:In-Reply-To:References:To:Subject:From; b=hk3w5a4RffZveoUsQI4V/Ua1qKdziIL9Sx19v/5aYHkuR9CwaAEU4dx5M4xF6N9oy 2oi0JbM5TMFCtnOxzwAEU85xR/Q9fvvTNqMsmyAgW5uTdAWZDx6pA59Y5OCJot1nVK SZZBxzOFtHn7uc7rhriKXqORe4Os/qWcn53XxntslPKszyZLA+c+WXmEMIzqMeNz4g pMoKQT1vxlOcn4QAdTta/sMkyG2tcIq77GHJdtyrbwnDKO52qn5dO4B0tmYmq2/qDU gkU6r/dT8AozYnfwi7eA6d0Wvkr84vpMmQFN3MHypAwoWDXIKcvIcIOQQY6qSmRSwJ fbYjxnKP81W3g== Received: (from tipbot@localhost) by terminus.zytor.com (8.15.2/8.15.2/Submit) id x5P8RAYU3530184; Tue, 25 Jun 2019 01:27:10 -0700 Date: Tue, 25 Jun 2019 01:27:10 -0700 X-Authentication-Warning: terminus.zytor.com: tipbot set sender to tipbot@zytor.com using -f From: tip-bot for Qais Yousef Message-ID: Cc: dietmar.eggemann@arm.com, bigeasy@linutronix.de, linux-kernel@vger.kernel.org, hpa@zytor.com, rostedt@goodmis.org, tglx@linutronix.de, mingo@kernel.org, quentin.perret@arm.com, u.kleine-koenig@pengutronix.de, qais.yousef@arm.com, torvalds@linux-foundation.org, peterz@infradead.org, pkondeti@codeaurora.org Reply-To: linux-kernel@vger.kernel.org, bigeasy@linutronix.de, dietmar.eggemann@arm.com, tglx@linutronix.de, rostedt@goodmis.org, hpa@zytor.com, torvalds@linux-foundation.org, qais.yousef@arm.com, u.kleine-koenig@pengutronix.de, quentin.perret@arm.com, mingo@kernel.org, pkondeti@codeaurora.org, peterz@infradead.org In-Reply-To: <20190604111459.2862-5-qais.yousef@arm.com> References: <20190604111459.2862-5-qais.yousef@arm.com> To: linux-tip-commits@vger.kernel.org Subject: [tip:sched/core] sched/debug: Add new tracepoint to track PELT at se level Git-Commit-ID: 8de6242cca17d9299e654e29c966d8612d397272 X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: 8de6242cca17d9299e654e29c966d8612d397272 Gitweb: https://git.kernel.org/tip/8de6242cca17d9299e654e29c966d8612d397272 Author: Qais Yousef AuthorDate: Tue, 4 Jun 2019 12:14:57 +0100 Committer: Ingo Molnar CommitDate: Mon, 24 Jun 2019 19:23:42 +0200 sched/debug: Add new tracepoint to track PELT at se level The new tracepoint allows tracking PELT signals at sched_entity level. Which is supported in CFS tasks and taskgroups only. Signed-off-by: Qais Yousef Signed-off-by: Peter Zijlstra (Intel) Cc: Dietmar Eggemann Cc: Linus Torvalds Cc: Pavankumar Kondeti Cc: Peter Zijlstra Cc: Quentin Perret Cc: Sebastian Andrzej Siewior Cc: Steven Rostedt Cc: Thomas Gleixner Cc: Uwe Kleine-Konig Link: https://lkml.kernel.org/r/20190604111459.2862-5-qais.yousef@arm.com Signed-off-by: Ingo Molnar --- include/trace/events/sched.h | 4 ++++ kernel/sched/fair.c | 1 + kernel/sched/pelt.c | 2 ++ 3 files changed, 7 insertions(+) diff --git a/include/trace/events/sched.h b/include/trace/events/sched.h index 520b89d384ec..c7dd9bc7f001 100644 --- a/include/trace/events/sched.h +++ b/include/trace/events/sched.h @@ -617,6 +617,10 @@ DECLARE_TRACE(pelt_irq_tp, TP_PROTO(struct rq *rq), TP_ARGS(rq)); +DECLARE_TRACE(pelt_se_tp, + TP_PROTO(struct sched_entity *se), + TP_ARGS(se)); + #endif /* _TRACE_SCHED_H */ /* This part must be outside protection */ diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index e883d7e17e36..75218ab1fa07 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -3348,6 +3348,7 @@ static inline int propagate_entity_load_avg(struct sched_entity *se) update_tg_cfs_runnable(cfs_rq, se, gcfs_rq); trace_pelt_cfs_tp(cfs_rq); + trace_pelt_se_tp(se); return 1; } diff --git a/kernel/sched/pelt.c b/kernel/sched/pelt.c index 4e961b55b5ea..a96db50d40e0 100644 --- a/kernel/sched/pelt.c +++ b/kernel/sched/pelt.c @@ -267,6 +267,7 @@ int __update_load_avg_blocked_se(u64 now, struct sched_entity *se) { if (___update_load_sum(now, &se->avg, 0, 0, 0)) { ___update_load_avg(&se->avg, se_weight(se), se_runnable(se)); + trace_pelt_se_tp(se); return 1; } @@ -280,6 +281,7 @@ int __update_load_avg_se(u64 now, struct cfs_rq *cfs_rq, struct sched_entity *se ___update_load_avg(&se->avg, se_weight(se), se_runnable(se)); cfs_se_util_change(&se->avg); + trace_pelt_se_tp(se); return 1; }