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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 646FBC433DF for ; Tue, 23 Jun 2020 00:23:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3A71E20702 for ; Tue, 23 Jun 2020 00:23:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1592871792; bh=f4PXroet3kk9dCV8EekSuydwLuif35P7Fjo5XqU/DcI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=JmWSfV4OPmuMW5EVoxwgMQWT3h7W0S6DnN50GlUTYrFHLjpcVdCxeFi3pIGypZe3+ yucGsUoyI948Lz4jqtu60n7x5Q+rpRcUH690xP4Kn/gyWgt6dxttLSBUQpK6Jo3cHQ gNS3Z2Rd0EDqlkQLQdfev9U1uYC6+ba5+5UDqFpk= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731789AbgFWAXL (ORCPT ); Mon, 22 Jun 2020 20:23:11 -0400 Received: from mail.kernel.org ([198.145.29.99]:48154 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730309AbgFWAVv (ORCPT ); Mon, 22 Jun 2020 20:21:51 -0400 Received: from paulmck-ThinkPad-P72.home (50-39-105-78.bvtn.or.frontiernet.net [50.39.105.78]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 753AD2083B; Tue, 23 Jun 2020 00:21:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1592871710; bh=f4PXroet3kk9dCV8EekSuydwLuif35P7Fjo5XqU/DcI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=tXbe1t1pgutHiniEPFQnC68ybenwwIK7wkHrIgWdUU2Vj8WCmfLzEUsn2dgFJgPKm 75bcFCBqssuKSbe78GDMuQja6ir4v6+MO4yK69hEouYIAt82JPC878b+ZlNqdVWZ1b 3DR1rl4Dsd2NYxf0r+L4mGn7kuLNC4GkenEEH8ig= From: paulmck@kernel.org To: rcu@vger.kernel.org Cc: linux-kernel@vger.kernel.org, kernel-team@fb.com, mingo@kernel.org, jiangshanlai@gmail.com, dipankar@in.ibm.com, akpm@linux-foundation.org, mathieu.desnoyers@efficios.com, josh@joshtriplett.org, tglx@linutronix.de, peterz@infradead.org, rostedt@goodmis.org, dhowells@redhat.com, edumazet@google.com, fweisbec@gmail.com, oleg@redhat.com, joel@joelfernandes.org, Madhuparna Bhowmik , "Paul E . McKenney" Subject: [PATCH tip/core/rcu 06/26] trace: events: rcu: Change description of rcu_dyntick trace event Date: Mon, 22 Jun 2020 17:21:27 -0700 Message-Id: <20200623002147.25750-6-paulmck@kernel.org> X-Mailer: git-send-email 2.9.5 In-Reply-To: <20200623002128.GA25456@paulmck-ThinkPad-P72> References: <20200623002128.GA25456@paulmck-ThinkPad-P72> Sender: rcu-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: rcu@vger.kernel.org From: Madhuparna Bhowmik The different strings used for describing the polarity are Start, End and StillNonIdle. Since StillIdle is not used in any trace point for rcu_dyntick, it can be removed and StillNonIdle can be added in the description. Because StillNonIdle is used in a few tracepoints for rcu_dyntick. Similarly, USER, IDLE and IRQ are used for describing context in the rcu_dyntick tracepoints. Since, "KERNEL" is not used for any of the rcu_dyntick tracepoints, remove it from the description. Signed-off-by: Madhuparna Bhowmik Signed-off-by: Joel Fernandes (Google) Signed-off-by: Paul E. McKenney --- include/trace/events/rcu.h | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/include/trace/events/rcu.h b/include/trace/events/rcu.h index f9a7811..af274d1 100644 --- a/include/trace/events/rcu.h +++ b/include/trace/events/rcu.h @@ -435,11 +435,12 @@ TRACE_EVENT_RCU(rcu_fqs, #endif /* #if defined(CONFIG_TREE_RCU) */ /* - * Tracepoint for dyntick-idle entry/exit events. These take a string - * as argument: "Start" for entering dyntick-idle mode, "Startirq" for - * entering it from irq/NMI, "End" for leaving it, "Endirq" for leaving it - * to irq/NMI, "--=" for events moving towards idle, and "++=" for events - * moving away from idle. + * Tracepoint for dyntick-idle entry/exit events. These take 2 strings + * as argument: + * polarity: "Start", "End", "StillNonIdle" for entering, exiting or still not + * being in dyntick-idle mode. + * context: "USER" or "IDLE" or "IRQ". + * NMIs nested in IRQs are inferred with dynticks_nesting > 1 in IRQ context. * * These events also take a pair of numbers, which indicate the nesting * depth before and after the event of interest, and a third number that is -- 2.9.5