From: Mike Travis <travis@sgi.com>
To: Ingo Molnar <mingo@elte.hu>, Thomas Gleixner <tglx@linutronix.de>,
Andrew Morton <akpm@linux-foundation.org>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>,
Roland Dreier <rdreier@cisco.com>,
Randy Dunlap <rdunlap@xenotime.net>, Tejun Heo <tj@kernel.org>,
Andi Kleen <andi@firstfloor.org>,
Greg Kroah-Hartman <gregkh@suse.de>,
Yinghai Lu <yhlu.kernel@gmail.com>,
"H. Peter Anvin" <hpa@zytor.com>,
David Rientjes <rientjes@google.com>,
Steven Rostedt <rostedt@goodmis.org>,
Rusty Russell <rusty@rustcorp.com.au>,
Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>,
Jack Steiner <steiner@sgi.com>,
Frederic Weisbecker <fweisbec@gmail.com>,
x86@kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH 6/7] sched: Limit the number of scheduler debug messages
Date: Thu, 12 Nov 2009 11:19:40 -0600 [thread overview]
Message-ID: <20091112172111.784787000@alcatraz.americas.sgi.com> (raw)
In-Reply-To: <20091112171934.584037000@alcatraz.americas.sgi.com>
[-- Attachment #1: limit_sched_debug_messages --]
[-- Type: text/plain, Size: 710 bytes --]
Limit number of sched debug messages for MAXSMP systems.
Signed-off-by: Mike Travis <travis@sgi.com>
---
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"
--
next prev parent reply other threads:[~2009-11-12 17:21 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-11-12 17:19 [PATCH 0/7] Limit console output by suppressing repetitious messages Mike Travis
2009-11-12 17:19 ` [PATCH 1/7] x86: Limit the number of processor bootup messages Mike Travis
2009-11-12 18:09 ` Ingo Molnar
2009-11-12 20:05 ` Mike Travis
2009-11-13 9:52 ` Ingo Molnar
2009-11-13 13:43 ` Mike Travis
2009-11-12 22:10 ` Yinghai Lu
2009-11-13 13:46 ` Mike Travis
2009-11-13 21:58 ` Yinghai Lu
2009-11-12 17:19 ` [PATCH 2/7] ACPI: Limit the number of per cpu ACPI " Mike Travis
2009-11-12 21:02 ` David Rientjes
2009-11-12 21:19 ` Mike Travis
2009-11-12 21:28 ` David Rientjes
2009-11-13 13:53 ` Mike Travis
2009-11-12 17:19 ` [PATCH 3/7] INIT: Limit the number of per cpu INIT " Mike Travis
2009-11-12 21:06 ` David Rientjes
2009-11-12 21:20 ` Mike Travis
2009-11-12 17:19 ` [PATCH 4/7] firmware: Limit the number of per cpu firmware messages during bootup Mike Travis
2009-11-12 17:19 ` [PATCH 5/7] x86: Limit the number of per cpu MCE bootup messages Mike Travis
2009-11-12 17:19 ` Mike Travis [this message]
2009-11-12 17:19 ` [PATCH 7/7] x86: Limit number of per cpu TSC sync messages Mike Travis
2009-11-12 20:48 ` [patch] x86: reduce srat verbosity in the kernel log David Rientjes
2009-11-13 9:53 ` Ingo Molnar
2009-11-13 10:02 ` David Rientjes
2009-11-13 10:13 ` Ingo Molnar
2009-11-13 10:29 ` David Rientjes
2009-11-13 10:57 ` Ingo Molnar
2009-11-20 18:37 ` Pavel Machek
2009-11-20 18:58 ` Mike Travis
2009-11-12 22:16 ` [PATCH 0/7] Limit console output by suppressing repetitious messages Yinghai Lu
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