Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934759AbcKNQ6W (ORCPT ); Mon, 14 Nov 2016 11:58:22 -0500 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:57311 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933197AbcKNQ5X (ORCPT ); Mon, 14 Nov 2016 11:57:23 -0500 From: "Paul E. McKenney" To: linux-kernel@vger.kernel.org Cc: 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, dvhart@linux.intel.com, fweisbec@gmail.com, oleg@redhat.com, bobby.prani@gmail.com, Nikolay Borisov , "Paul E. McKenney" Subject: [PATCH tip/core/rcu 4/7] rcu: RCU_TRACE enables event tracing as well as debugfs Date: Mon, 14 Nov 2016 08:57:10 -0800 X-Mailer: git-send-email 2.5.2 In-Reply-To: <20161114165648.GA15216@linux.vnet.ibm.com> References: <20161114165648.GA15216@linux.vnet.ibm.com> X-TM-AS-GCONF: 00 X-Content-Scanned: Fidelis XPS MAILER x-cbid: 16111416-0020-0000-0000-00000A42D5DD X-IBM-SpamModules-Scores: X-IBM-SpamModules-Versions: BY=3.00006076; HX=3.00000240; KW=3.00000007; PH=3.00000004; SC=3.00000189; SDB=6.00780603; UDB=6.00376436; IPR=6.00558103; BA=6.00004878; NDR=6.00000001; ZLA=6.00000005; ZF=6.00000009; ZB=6.00000000; ZP=6.00000000; ZH=6.00000000; ZU=6.00000002; MB=3.00013321; XFM=3.00000011; UTC=2016-11-14 16:57:20 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 16111416-0021-0000-0000-00005744BBDA Message-Id: <1479142633-15315-4-git-send-email-paulmck@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:,, definitions=2016-11-14_10:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 suspectscore=1 malwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1609300000 definitions=main-1611140342 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 940 Lines: 28 From: Nikolay Borisov The commit brings the RCU_TRACE Kconfig option's help text up to date by noting that it enables additional event tracing as well as debugfs. Signed-off-by: Nikolay Borisov [ paulmck: Do some wordsmithing. ] Signed-off-by: Paul E. McKenney --- lib/Kconfig.debug | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 33bc56cf60d7..4a431f18f218 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -1430,7 +1430,8 @@ config RCU_TRACE select TRACE_CLOCK help This option provides tracing in RCU which presents stats - in debugfs for debugging RCU implementation. + in debugfs for debugging RCU implementation. It also enables + additional tracepoints for ftrace-style event tracing. Say Y here if you want to enable RCU tracing Say N if you are unsure. -- 2.5.2