From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753877AbZKLRV0 (ORCPT ); Thu, 12 Nov 2009 12:21:26 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753568AbZKLRVY (ORCPT ); Thu, 12 Nov 2009 12:21:24 -0500 Received: from relay2.sgi.com ([192.48.179.30]:44461 "EHLO relay.sgi.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753795AbZKLRVX (ORCPT ); Thu, 12 Nov 2009 12:21:23 -0500 Message-Id: <20091112172111.784787000@alcatraz.americas.sgi.com> References: <20091112171934.584037000@alcatraz.americas.sgi.com> User-Agent: quilt/0.46-1 Date: Thu, 12 Nov 2009 11:19:40 -0600 From: Mike Travis To: Ingo Molnar , Thomas Gleixner , Andrew Morton Cc: Heiko Carstens , Roland Dreier , Randy Dunlap , Tejun Heo , Andi Kleen , Greg Kroah-Hartman , Yinghai Lu , "H. Peter Anvin" , David Rientjes , Steven Rostedt , Rusty Russell , Hidetoshi Seto , Jack Steiner , Frederic Weisbecker , x86@kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 6/7] sched: Limit the number of scheduler debug messages Content-Disposition: inline; filename=limit_sched_debug_messages Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Limit number of sched debug messages for MAXSMP systems. Signed-off-by: Mike Travis --- lib/Kconfig.debug | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) --- linux.orig/lib/Kconfig.debug +++ linux/lib/Kconfig.debug @@ -235,11 +235,12 @@ config SCHED_DEBUG bool "Collect scheduler debugging info" depends on DEBUG_KERNEL && PROC_FS - default y + default !MAXSMP help If you say Y here, the /proc/sched_debug file will be provided that can help debug the scheduler. The runtime overhead of this - option is minimal. + option is minimal unless there are a large number of CPUs in + the system. config SCHEDSTATS bool "Collect scheduler statistics" --