From: Arjan van de Ven <arjan@infradead.org>
To: arun@linux.vnet.ibm.com
Cc: linux-kernel@vger.kernel.org,
linux-pm@lists.linux-foundation.org, a.p.zijlstra@chello.nl,
ego@in.ibm.com, tglx@linutronix.de, mingo@elte.hu,
andi@firstfloor.org, venkatesh.pallipadi@intel.com,
vatsa@linux.vnet.ibm.com, svaidy@linux.vnet.ibm.com
Subject: Re: [v2 PATCH 0/4] timers: framework for migration between CPU
Date: Thu, 5 Mar 2009 16:14:51 -0800 [thread overview]
Message-ID: <20090305161451.0da40645@infradead.org> (raw)
In-Reply-To: <20090304121249.GA9855@linux.vnet.ibm.com>
On Wed, 4 Mar 2009 17:42:49 +0530
Arun R Bharadwaj <arun@linux.vnet.ibm.com> wrote:
> With the timers queued I measure the sleep state residency
> for a period of 10s.
> Next, I enable timer migration and measure the sleep state
> residency period.
is your table in seconds? Because realistically, at least on PC like
hardware, doing work to get sleep times over a 100 / 200 msecs or so
isn't going to save you any amount of measurable power anymore...
--
Arjan van de Ven Intel Open Source Technology Centre
For development, discussion and tips for power savings,
visit http://www.lesswatts.org
next prev parent reply other threads:[~2009-03-06 0:14 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-03-04 12:12 [v2 PATCH 0/4] timers: framework for migration between CPU Arun R Bharadwaj
2009-03-04 12:14 ` [v2 PATCH 1/4] timers: framework to identify pinned timers Arun R Bharadwaj
2009-03-05 16:53 ` Oleg Nesterov
2009-03-05 16:53 ` Oleg Nesterov
2009-03-06 6:14 ` Arun R Bharadwaj
2009-03-06 15:03 ` Oleg Nesterov
2009-03-06 15:03 ` Oleg Nesterov
2009-03-06 6:14 ` Arun R Bharadwaj
2009-03-06 7:01 ` Arun R Bharadwaj
2009-03-06 7:01 ` Arun R Bharadwaj
2009-03-04 12:14 ` Arun R Bharadwaj
2009-03-04 12:16 ` [v2 PATCH 2/4] timers: identifying the existing pinned hrtimers Arun R Bharadwaj
2009-03-04 12:16 ` Arun R Bharadwaj
2009-03-04 12:18 ` [v2 PATCH 3/4] timers: sysfs hook to enable timer migration Arun R Bharadwaj
2009-03-04 12:18 ` Arun R Bharadwaj
2009-03-04 12:19 ` [v2 PATCH 4/4] timers: logic " Arun R Bharadwaj
2009-03-04 16:33 ` Daniel Walker
2009-03-04 16:52 ` Arun R Bharadwaj
2009-03-04 16:52 ` Arun R Bharadwaj
2009-03-04 16:33 ` Daniel Walker
2009-03-05 15:34 ` Oleg Nesterov
2009-03-05 15:34 ` Oleg Nesterov
2009-03-05 16:23 ` Oleg Nesterov
2009-03-05 16:23 ` Oleg Nesterov
2009-03-06 3:21 ` Gautham R Shenoy
2009-03-06 14:50 ` Oleg Nesterov
2009-03-06 14:50 ` Oleg Nesterov
2009-03-06 15:49 ` Gautham R Shenoy
2009-03-06 17:08 ` Oleg Nesterov
2009-03-06 17:26 ` Gautham R Shenoy
2009-03-06 17:26 ` Gautham R Shenoy
2009-03-06 17:08 ` Oleg Nesterov
2009-03-06 15:49 ` Gautham R Shenoy
2009-03-06 3:21 ` Gautham R Shenoy
2009-03-04 12:19 ` Arun R Bharadwaj
2009-03-04 17:33 ` [v2 PATCH 0/4] timers: framework for migration between CPU Ingo Molnar
2009-03-04 18:06 ` Vaidyanathan Srinivasan
2009-03-04 18:06 ` Vaidyanathan Srinivasan
2009-03-04 18:29 ` Ingo Molnar
2009-03-04 18:29 ` Ingo Molnar
2009-03-04 17:33 ` Ingo Molnar
2009-03-06 0:14 ` Arjan van de Ven
2009-03-06 0:14 ` Arjan van de Ven [this message]
2009-03-06 4:23 ` Arun R Bharadwaj
2009-03-06 4:23 ` Arun R Bharadwaj
-- strict thread matches above, loose matches on Subject: below --
2009-03-04 12:12 Arun R Bharadwaj
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