From: Arjan van de Ven <arjan@linux.intel.com>
To: Pavel Machek <pavel@suse.cz>
Cc: Vegard Nossum <vegard.nossum@gmail.com>,
Ingo Molnar <mingo@elte.hu>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: v2.6.26-rc7: Negative powertop values
Date: Tue, 8 Jul 2008 06:52:51 -0700 [thread overview]
Message-ID: <20080708065251.1d7d681f@linux.intel.com> (raw)
In-Reply-To: <20080706194845.GA5617@ucw.cz>
On Sun, 6 Jul 2008 21:48:45 +0200
Pavel Machek <pavel@suse.cz> wrote:
> >
> > [I assume you know that doing a software unplug you burn more power
> > than by leaving the cpu idle]
>
> We should really fix that one day...
yeah but it's incredibly hard to get right (in the light of the bios
constantly changing what our allowed C-states are)... and the best case
is equal to just being idle.
--
If you want to reach me at my work email, use arjan@linux.intel.com
For development, discussion and tips for power savings,
visit http://www.lesswatts.org
next prev parent reply other threads:[~2008-07-08 13:53 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-06-21 19:16 v2.6.26-rc7: Negative powertop values Vegard Nossum
2008-06-21 21:16 ` Arjan van de Ven
2008-06-21 21:22 ` Vegard Nossum
2008-07-06 19:48 ` Pavel Machek
2008-07-08 13:52 ` Arjan van de Ven [this message]
2008-07-13 11:58 ` Pavel Machek
2008-07-13 15:35 ` Arjan van de Ven
2008-07-14 6:26 ` Pavel Machek
2008-07-13 15:37 ` Arjan van de Ven
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