From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754651AbaBQWat (ORCPT ); Mon, 17 Feb 2014 17:30:49 -0500 Received: from e34.co.us.ibm.com ([32.97.110.152]:52110 "EHLO e34.co.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753248AbaBQWNM (ORCPT ); Mon, 17 Feb 2014 17:13:12 -0500 From: "Paul E. McKenney" To: linux-kernel@vger.kernel.org Cc: mingo@kernel.org, laijs@cn.fujitsu.com, dipankar@in.ibm.com, akpm@linux-foundation.org, mathieu.desnoyers@efficios.com, josh@joshtriplett.org, niv@us.ibm.com, tglx@linutronix.de, peterz@infradead.org, rostedt@goodmis.org, dhowells@redhat.com, edumazet@google.com, darren@dvhart.com, fweisbec@gmail.com, oleg@redhat.com, sbw@mit.edu, "Paul E. McKenney" Subject: [PATCH tip/core/rcu 06/55] rcutorture: Reduce SRCU-N number of CPUs Date: Mon, 17 Feb 2014 14:12:10 -0800 Message-Id: <1392675179-11560-6-git-send-email-paulmck@linux.vnet.ibm.com> X-Mailer: git-send-email 1.8.1.5 In-Reply-To: <1392675179-11560-1-git-send-email-paulmck@linux.vnet.ibm.com> References: <20140217221231.GA8419@linux.vnet.ibm.com> <1392675179-11560-1-git-send-email-paulmck@linux.vnet.ibm.com> X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 14021722-1542-0000-0000-00000652D9CC Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: "Paul E. McKenney" Both SRCU-P and SRCU-N specify eight CPUs, which results in four iterations for a parallel run on 32 CPUs. This commit reduces SRCU-N to four CPUs (but leaving SRCU-P at eight) to speed up parallel runs, while maintaining essentially the same test coverage. Signed-off-by: Paul E. McKenney --- tools/testing/selftests/rcutorture/configs/SRCU-N | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/rcutorture/configs/SRCU-N b/tools/testing/selftests/rcutorture/configs/SRCU-N index 10a0e27f4c75..b4c6340d920a 100644 --- a/tools/testing/selftests/rcutorture/configs/SRCU-N +++ b/tools/testing/selftests/rcutorture/configs/SRCU-N @@ -1,6 +1,6 @@ CONFIG_RCU_TRACE=n CONFIG_SMP=y -CONFIG_NR_CPUS=8 +CONFIG_NR_CPUS=4 CONFIG_HOTPLUG_CPU=y CONFIG_PREEMPT_NONE=y CONFIG_PREEMPT_VOLUNTARY=n -- 1.8.1.5