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=HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SIGNED_OFF_BY,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 B4738CA9EC3 for ; Thu, 31 Oct 2019 11:58:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 92CB821734 for ; Thu, 31 Oct 2019 11:58:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727979AbfJaL6G (ORCPT ); Thu, 31 Oct 2019 07:58:06 -0400 Received: from Galois.linutronix.de ([193.142.43.55]:55293 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726948AbfJaLzH (ORCPT ); Thu, 31 Oct 2019 07:55:07 -0400 Received: from [5.158.153.53] (helo=tip-bot2.lab.linutronix.de) by Galois.linutronix.de with esmtpsa (TLS1.2:DHE_RSA_AES_256_CBC_SHA256:256) (Exim 4.80) (envelope-from ) id 1iQ92d-0002uN-Iz; Thu, 31 Oct 2019 12:55:03 +0100 Received: from [127.0.1.1] (localhost [IPv6:::1]) by tip-bot2.lab.linutronix.de (Postfix) with ESMTP id E62AD1C04D7; Thu, 31 Oct 2019 12:54:57 +0100 (CET) Date: Thu, 31 Oct 2019 11:54:57 -0000 From: "tip-bot2 for Paul E. McKenney" Reply-to: linux-kernel@vger.kernel.org To: linux-tip-commits@vger.kernel.org Subject: [tip: core/rcu] rcu: Update descriptions for rcu_nocb_wake tracepoint Cc: "Paul E. McKenney" , Ingo Molnar , Borislav Petkov , linux-kernel@vger.kernel.org MIME-Version: 1.0 Message-ID: <157252289767.29376.2910308882156136502.tip-bot2@tip-bot2> X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Linutronix-Spam-Score: -1.0 X-Linutronix-Spam-Level: - X-Linutronix-Spam-Status: No , -1.0 points, 5.0 required, ALL_TRUSTED=-1,SHORTCIRCUIT=-0.0001 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The following commit has been merged into the core/rcu branch of tip: Commit-ID: d01f86206864e429839f6a4aeb90064f0c043ed9 Gitweb: https://git.kernel.org/tip/d01f86206864e429839f6a4aeb90064f0c043ed9 Author: Paul E. McKenney AuthorDate: Wed, 21 Aug 2019 10:29:06 -07:00 Committer: Paul E. McKenney CommitterDate: Wed, 30 Oct 2019 08:34:52 -07:00 rcu: Update descriptions for rcu_nocb_wake tracepoint Signed-off-by: Paul E. McKenney --- include/trace/events/rcu.h | 35 +++++++++++++++++++++-------------- 1 file changed, 21 insertions(+), 14 deletions(-) diff --git a/include/trace/events/rcu.h b/include/trace/events/rcu.h index afa8985..4609f2e 100644 --- a/include/trace/events/rcu.h +++ b/include/trace/events/rcu.h @@ -258,20 +258,27 @@ TRACE_EVENT_RCU(rcu_exp_funnel_lock, * the number of the offloaded CPU are extracted. The third and final * argument is a string as follows: * - * "WakeEmpty": Wake rcuo kthread, first CB to empty list. - * "WakeEmptyIsDeferred": Wake rcuo kthread later, first CB to empty list. - * "WakeOvf": Wake rcuo kthread, CB list is huge. - * "WakeOvfIsDeferred": Wake rcuo kthread later, CB list is huge. - * "WakeNot": Don't wake rcuo kthread. - * "WakeNotPoll": Don't wake rcuo kthread because it is polling. - * "DeferredWake": Carried out the "IsDeferred" wakeup. - * "Poll": Start of new polling cycle for rcu_nocb_poll. - * "Sleep": Sleep waiting for GP for !rcu_nocb_poll. - * "CBSleep": Sleep waiting for CBs for !rcu_nocb_poll. - * "WokeEmpty": rcuo kthread woke to find empty list. - * "WokeNonEmpty": rcuo kthread woke to find non-empty list. - * "WaitQueue": Enqueue partially done, timed wait for it to complete. - * "WokeQueue": Partial enqueue now complete. + * "AlreadyAwake": The to-be-awakened rcuo kthread is already awake. + * "Bypass": rcuo GP kthread sees non-empty ->nocb_bypass. + * "CBSleep": rcuo CB kthread sleeping waiting for CBs. + * "Check": rcuo GP kthread checking specified CPU for work. + * "DeferredWake": Timer expired or polled check, time to wake. + * "DoWake": The to-be-awakened rcuo kthread needs to be awakened. + * "EndSleep": Done waiting for GP for !rcu_nocb_poll. + * "FirstBQ": New CB to empty ->nocb_bypass (->cblist maybe non-empty). + * "FirstBQnoWake": FirstBQ plus rcuo kthread need not be awakened. + * "FirstBQwake": FirstBQ plus rcuo kthread must be awakened. + * "FirstQ": New CB to empty ->cblist (->nocb_bypass maybe non-empty). + * "NeedWaitGP": rcuo GP kthread must wait on a grace period. + * "Poll": Start of new polling cycle for rcu_nocb_poll. + * "Sleep": Sleep waiting for GP for !rcu_nocb_poll. + * "Timer": Deferred-wake timer expired. + * "WakeEmptyIsDeferred": Wake rcuo kthread later, first CB to empty list. + * "WakeEmpty": Wake rcuo kthread, first CB to empty list. + * "WakeNot": Don't wake rcuo kthread. + * "WakeNotPoll": Don't wake rcuo kthread because it is polling. + * "WakeOvfIsDeferred": Wake rcuo kthread later, CB list is huge. + * "WokeEmpty": rcuo CB kthread woke to find empty list. */ TRACE_EVENT_RCU(rcu_nocb_wake,