From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756051Ab1IGG2P (ORCPT ); Wed, 7 Sep 2011 02:28:15 -0400 Received: from e6.ny.us.ibm.com ([32.97.182.146]:38158 "EHLO e6.ny.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755582Ab1IGGU4 (ORCPT ); Wed, 7 Sep 2011 02:20:56 -0400 From: "Paul E. McKenney" To: linux-kernel@vger.kernel.org Cc: mingo@elte.hu, laijs@cn.fujitsu.com, dipankar@in.ibm.com, akpm@linux-foundation.org, mathieu.desnoyers@polymtl.ca, josh@joshtriplett.org, niv@us.ibm.com, tglx@linutronix.de, peterz@infradead.org, rostedt@goodmis.org, Valdis.Kletnieks@vt.edu, dhowells@redhat.com, eric.dumazet@gmail.com, darren@dvhart.com, patches@linaro.org, "Paul E. McKenney" , "Paul E. McKenney" Subject: [PATCH tip/core/rcu 03/55] rcu: Update documentation to flag RCU_BOOST trace information Date: Tue, 6 Sep 2011 10:59:57 -0700 Message-Id: <1315332049-2604-3-git-send-email-paulmck@linux.vnet.ibm.com> X-Mailer: git-send-email 1.7.3.2 In-Reply-To: <20110906180015.GA2560@linux.vnet.ibm.com> References: <20110906180015.GA2560@linux.vnet.ibm.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Paul E. McKenney Call out the RCU_TRACE information that is provided only in kernels built with RCU_BOOST. Signed-off-by: Paul E. McKenney Signed-off-by: Paul E. McKenney --- Documentation/RCU/trace.txt | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-) diff --git a/Documentation/RCU/trace.txt b/Documentation/RCU/trace.txt index 8173cec..a67af0a 100644 --- a/Documentation/RCU/trace.txt +++ b/Documentation/RCU/trace.txt @@ -184,10 +184,14 @@ o "kt" is the per-CPU kernel-thread state. The digit preceding The number after the final slash is the CPU that the kthread is actually running on. + This field is displayed only for CONFIG_RCU_BOOST kernels. + o "ktl" is the low-order 16 bits (in hexadecimal) of the count of the number of times that this CPU's per-CPU kthread has gone through its loop servicing invoke_rcu_cpu_kthread() requests. + This field is displayed only for CONFIG_RCU_BOOST kernels. + o "b" is the batch limit for this CPU. If more than this number of RCU callbacks is ready to invoke, then the remainder will be deferred. -- 1.7.3.2