From: Arjan van de Ven <arjan@linux.intel.com>
To: paulmck@linux.vnet.ibm.com
Cc: Dominik Brodowski <linux@dominikbrodowski.net>,
Alan Stern <stern@rowland.harvard.edu>,
linux-kernel@vger.kernel.org,
Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@elte.hu>,
Peter Zijlstra <peterz@infradead.org>,
Dmitry Torokhov <dtor@mail.ru>
Subject: Re: A few questions and issues with dynticks, NOHZ and powertop
Date: Sun, 04 Apr 2010 20:44:05 -0700 [thread overview]
Message-ID: <4BB95C85.80205@linux.intel.com> (raw)
In-Reply-To: <20100404233702.GA24102@linux.vnet.ibm.com>
> And you did mention offlining some CPUs above. The folloiwng patch
> (from Lai Jiangshan) is needed to handle this case.
btw on x86... don't offline CPUs if you want to save power.. it doesn't.
(at least not during idle.. and when you're busy it might save power, but it won't save you energy normally)
next prev parent reply other threads:[~2010-04-05 3:44 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-03 22:33 A few questions and issues with dynticks, NOHZ and powertop Dominik Brodowski
2010-04-03 23:53 ` Dmitry Torokhov
2010-04-04 10:35 ` Dominik Brodowski
2010-04-05 20:54 ` Dmitry Torokhov
2010-04-04 10:47 ` Dominik Brodowski
2010-04-05 3:42 ` Arjan van de Ven
2010-04-05 20:41 ` Dominik Brodowski
2010-04-05 20:52 ` Dmitry Torokhov
2010-04-04 15:17 ` Alan Stern
2010-04-04 16:39 ` Dominik Brodowski
2010-04-04 20:47 ` Paul E. McKenney
2010-04-04 23:37 ` Paul E. McKenney
2010-04-05 3:44 ` Arjan van de Ven [this message]
2010-04-05 4:22 ` Paul E. McKenney
2010-04-05 14:40 ` Arjan van de Ven
2010-04-05 15:14 ` Paul E. McKenney
2010-04-05 16:07 ` Arjan van de Ven
2010-04-05 16:22 ` Paul E. McKenney
2010-04-05 16:23 ` Arjan van de Ven
2010-04-05 16:40 ` Paul E. McKenney
2010-04-05 18:44 ` david
2010-04-05 19:48 ` Arjan van de Ven
2010-04-05 20:34 ` Paul E. McKenney
2010-04-05 21:03 ` Dominik Brodowski
2010-04-05 21:38 ` Paul E. McKenney
2010-04-05 22:11 ` Dominik Brodowski
2010-04-05 22:31 ` Paul E. McKenney
2010-04-06 20:45 ` Dominik Brodowski
2010-04-06 20:59 ` Paul E. McKenney
2010-04-08 19:59 ` [RFC PATCH] nohz/sched: disable ilb on !mc_capable() Dominik Brodowski
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