From: Arjan van de Ven <arjan@infradead.org>
To: Kyle Moffett <kyle@moffetthome.net>
Cc: "Oliver Neukum" <oliver@neukum.org>,
"Benjamin Herrenschmidt" <benh@kernel.crashing.org>,
"Rafael J. Wysocki" <rjw@sisk.pl>,
"pm list" <linux-pm@lists.linux-foundation.org>,
LKML <linux-kernel@vger.kernel.org>,
"Arve Hjønnevåg" <arve@android.com>,
"Alan Stern" <stern@rowland.harvard.edu>,
"Pavel Machek" <pavel@ucw.cz>,
"Nigel Cunningham" <nigel@nigel.suspend2.net>,
"Matthew Garrett" <mjg59@srcf.ucam.org>,
"mark gross" <mgross@linux.intel.com>,
"Woodruff, Richard" <r-woodruff2@ti.com>,
"Uli Luckas" <u.luckas@road.de>,
"Igor Stoppa" <igor.stoppa@nokia.com>,
"Brian Swetland" <swetland@google.com>,
"Len Brown" <lenb@kernel.org>
Subject: Re: [RFD] Automatic suspend
Date: Mon, 16 Feb 2009 12:28:30 -0800 [thread overview]
Message-ID: <20090216122830.4096c5b0@infradead.org> (raw)
In-Reply-To: <f73f7ab80902161208h12837d4ex1d28d55d031d5d71@mail.gmail.com>
On Mon, 16 Feb 2009 15:08:09 -0500
Kyle Moffett <kyle@moffetthome.net> wrote:
> I think it would be very useful to have a mechanism for userspace to
> find out "Link detection on this NIC costs ~50mW" and "No link has
> been detected for the last 15 minutes", so that it can compile all
> that sort of information and prompt the user what devices they would
> like to disable. Perhaps an "airline mode" sort of thing
modes suck... they're very much the wrong concept for power management
(but that's a different story)
if the user (or something on its behalf) doesn't need link detection,
he can turn it off. Really. He doesn't need to know that maybe on
machine one this saves some power, and on machine two that power was
already mostly saved while on machine three it doesn't save anything at
all. Not to mention that the driver is extremely unlikely to know how
much actual power will be saved...
--
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:[~2009-02-16 20:29 UTC|newest]
Thread overview: 195+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-02-15 23:10 Rafael J. Wysocki
2009-02-16 0:44 ` Arjan van de Ven
2009-02-16 2:12 ` Benjamin Herrenschmidt
2009-02-16 2:20 ` Arjan van de Ven
2009-02-16 3:23 ` Benjamin Herrenschmidt
2009-02-16 3:30 ` Arjan van de Ven
2009-02-16 23:05 ` Pavel Machek
2009-02-16 7:06 ` Oliver Neukum
2009-02-16 15:40 ` Arjan van de Ven
2009-02-16 16:48 ` Oliver Neukum
2009-02-16 17:31 ` Arjan van de Ven
2009-02-16 20:08 ` Kyle Moffett
2009-02-16 20:28 ` Arjan van de Ven [this message]
2009-02-16 20:39 ` Alan Stern
2009-02-16 20:45 ` Arjan van de Ven
2009-02-16 21:32 ` Woodruff, Richard
2009-02-16 21:52 ` Arjan van de Ven
2009-02-16 22:36 ` Woodruff, Richard
2009-02-16 22:59 ` Arjan van de Ven
2009-02-16 23:19 ` Rafael J. Wysocki
2009-02-16 23:23 ` Matthew Garrett
2009-02-17 10:12 ` Oliver Neukum
2009-02-17 13:58 ` Mark Brown
2009-02-17 14:20 ` Brian Swetland
2009-02-17 14:24 ` Matthew Garrett
2009-02-17 14:56 ` Oliver Neukum
2009-02-17 14:46 ` Arjan van de Ven
2009-02-17 14:51 ` Matthew Garrett
2009-02-17 14:56 ` Arjan van de Ven
2009-02-17 15:32 ` Woodruff, Richard
2009-02-18 0:04 ` Arjan van de Ven
2009-02-18 0:18 ` Woodruff, Richard
2009-02-18 5:35 ` Arjan van de Ven
2009-02-18 0:52 ` mark gross
2009-02-18 5:11 ` Arve Hjønnevåg
2009-02-18 5:55 ` Arjan van de Ven
2009-02-18 15:15 ` Matthew Garrett
2009-02-18 15:20 ` Woodruff, Richard
2009-02-17 14:58 ` Igor Stoppa
2009-02-17 15:28 ` Brian Swetland
2009-02-18 0:55 ` mark gross
2009-02-18 2:40 ` Benjamin Herrenschmidt
2009-02-18 17:48 ` Jesse Barnes
2009-02-18 17:52 ` Matthew Garrett
2009-02-18 18:01 ` Jesse Barnes
2009-02-18 22:05 ` Benjamin Herrenschmidt
2009-03-01 22:51 ` Pavel Machek
2009-02-27 10:00 ` Pavel Machek
2009-02-18 0:45 ` mark gross
2009-02-20 5:35 ` Arve Hjønnevåg
2009-02-20 15:27 ` Arjan van de Ven
2009-02-20 18:22 ` Pavel Machek
2009-02-20 18:26 ` Matthew Garrett
2009-02-20 20:49 ` Rafael J. Wysocki
2009-02-20 22:43 ` Arve Hjønnevåg
2009-02-16 23:41 ` Arjan van de Ven
2009-02-16 23:08 ` Rafael J. Wysocki
2009-02-17 3:09 ` Alan Stern
2009-02-17 23:21 ` Rafael J. Wysocki
2009-02-18 4:46 ` Arve Hjønnevåg
2009-02-18 21:17 ` Rafael J. Wysocki
2009-02-18 22:35 ` Arve Hjønnevåg
2009-02-18 22:44 ` Oliver Neukum
2009-02-18 23:04 ` Rafael J. Wysocki
2009-02-18 23:31 ` Alan Stern
2009-02-19 12:56 ` Rafael J. Wysocki
2009-02-19 14:59 ` Alan Stern
2009-02-19 21:15 ` Rafael J. Wysocki
2009-02-19 21:56 ` Brian Swetland
2009-02-19 22:08 ` Alan Stern
2009-02-19 22:21 ` Rafael J. Wysocki
2009-02-19 22:58 ` Oliver Neukum
2009-02-20 10:46 ` Rafael J. Wysocki
2009-02-20 22:05 ` Oliver Neukum
2009-02-20 22:44 ` Rafael J. Wysocki
2009-02-20 23:11 ` Arve Hjønnevåg
2009-02-20 23:20 ` Oliver Neukum
2009-02-21 1:59 ` Arve Hjønnevåg
2009-02-20 2:39 ` Arve Hjønnevåg
2009-02-20 10:49 ` Rafael J. Wysocki
2009-02-20 11:26 ` Arve Hjønnevåg
2009-02-20 15:56 ` Rafael J. Wysocki
2009-02-20 16:07 ` Kyle Moffett
2009-02-20 20:56 ` Rafael J. Wysocki
2009-02-20 21:02 ` Rafael J. Wysocki
2009-02-20 23:03 ` Arve Hjønnevåg
2009-02-20 23:57 ` Rafael J. Wysocki
2009-02-21 1:08 ` Arve Hjønnevåg
2009-02-21 9:47 ` Rafael J. Wysocki
2009-02-21 10:32 ` Arve Hjønnevåg
2009-02-21 20:20 ` Rafael J. Wysocki
2009-02-23 23:13 ` Arve Hjønnevåg
2009-02-23 23:53 ` Rafael J. Wysocki
2009-02-24 0:02 ` Arve Hjønnevåg
2009-02-27 10:12 ` Pavel Machek
2009-02-27 10:09 ` Pavel Machek
2009-02-27 14:22 ` Rafael J. Wysocki
2009-02-27 14:29 ` Matthew Garrett
2009-02-27 20:54 ` Rafael J. Wysocki
2009-02-27 22:09 ` Arve Hjønnevåg
2009-02-27 22:55 ` Rafael J. Wysocki
2009-02-27 20:40 ` Pavel Machek
2009-02-27 20:55 ` Rafael J. Wysocki
2009-02-27 22:56 ` Arve Hjønnevåg
2009-02-27 23:44 ` Pavel Machek
2009-02-28 3:04 ` Arve Hjønnevåg
2009-02-28 10:18 ` Rafael J. Wysocki
2009-02-28 21:57 ` Arve Hjønnevåg
2009-02-28 22:53 ` Rafael J. Wysocki
2009-02-28 23:38 ` Arve Hjønnevåg
2009-03-01 23:17 ` Rafael J. Wysocki
2009-03-02 23:48 ` Arve Hjønnevåg
2009-03-03 22:39 ` Rafael J. Wysocki
2009-03-03 23:38 ` Arve Hjønnevåg
2009-03-04 0:49 ` Pavel Machek
2009-03-01 0:06 ` Arve Hjønnevåg
2009-03-01 6:28 ` Benjamin Herrenschmidt
2009-03-01 9:11 ` Rafael J. Wysocki
2009-03-01 9:20 ` Rafael J. Wysocki
2009-03-03 1:22 ` Arve Hjønnevåg
2009-03-03 13:51 ` Pavel Machek
2009-03-04 0:06 ` Arve Hjønnevåg
2009-03-04 0:47 ` Pavel Machek
2009-03-01 23:08 ` Pavel Machek
2009-03-03 13:57 ` Pavel Machek
2009-03-03 23:51 ` Arve Hjønnevåg
2009-02-20 23:12 ` Oliver Neukum
2009-02-20 23:40 ` Rafael J. Wysocki
2009-02-20 23:45 ` Matthew Garrett
2009-02-21 9:52 ` Rafael J. Wysocki
2009-02-21 16:52 ` Alan Stern
2009-02-21 21:14 ` Rafael J. Wysocki
2009-02-27 10:16 ` Pavel Machek
2009-02-27 14:46 ` Alan Stern
2009-02-27 20:58 ` Rafael J. Wysocki
2009-02-22 14:03 ` Pavel Machek
2009-02-23 14:04 ` Oliver Neukum
2009-02-27 10:18 ` Pavel Machek
2009-02-27 15:22 ` Oliver Neukum
2009-03-05 16:54 ` Pavel Machek
2009-02-27 17:09 ` Chris Friesen
2009-02-27 20:46 ` Pavel Machek
2009-03-05 13:48 ` Pavel Machek
2009-03-01 22:56 ` Pavel Machek
2009-03-02 8:24 ` Oliver Neukum
2009-03-02 14:34 ` Pavel Machek
2009-03-02 15:13 ` Arjan van de Ven
2009-02-16 23:20 ` Oliver Neukum
2009-02-20 18:05 ` Pavel Machek
2009-02-16 6:23 ` Roland Dreier
2009-02-16 15:38 ` Arjan van de Ven
2009-02-16 22:47 ` Pavel Machek
2009-02-16 7:02 ` Oliver Neukum
2009-02-16 21:48 ` Rafael J. Wysocki
2009-02-16 21:52 ` Peter Zijlstra
2009-02-16 21:53 ` Arjan van de Ven
2009-02-16 22:12 ` Rafael J. Wysocki
2009-02-16 22:40 ` Alan Stern
2009-02-16 22:56 ` Arjan van de Ven
2009-02-16 23:28 ` Rafael J. Wysocki
2009-02-17 2:43 ` Alan Stern
2009-02-17 2:57 ` Arjan van de Ven
2009-02-17 3:26 ` Alan Stern
2009-02-16 23:02 ` Rafael J. Wysocki
2009-02-17 2:56 ` Alan Stern
2009-02-17 23:26 ` Rafael J. Wysocki
2009-02-18 8:53 ` Oliver Neukum
2009-02-18 14:51 ` Arjan van de Ven
2009-02-18 15:05 ` Oliver Neukum
2009-02-18 15:10 ` Alan Stern
2009-02-18 15:55 ` Oliver Neukum
2009-02-18 16:39 ` Alan Stern
2009-02-18 17:10 ` Oliver Neukum
2009-02-18 15:09 ` Alan Stern
2009-02-16 22:51 ` Pavel Machek
2009-02-16 22:55 ` Arjan van de Ven
2009-02-16 23:00 ` Rafael J. Wysocki
2009-02-16 23:18 ` Pavel Machek
2009-02-16 23:29 ` Oliver Neukum
2009-02-16 22:58 ` Pavel Machek
2009-02-16 23:13 ` Matthew Garrett
2009-02-16 23:22 ` Pavel Machek
2009-02-16 23:26 ` Matthew Garrett
2009-02-17 14:14 ` Brian Swetland
2009-02-17 14:19 ` Matthew Garrett
2009-02-17 21:57 ` mark gross
2009-02-17 22:04 ` Matthew Garrett
2009-02-17 22:19 ` Jesse Barnes
2009-02-17 23:28 ` Woodruff, Richard
2009-02-18 0:34 ` mark gross
2009-02-18 17:30 ` Chris Ball
2009-02-16 23:26 ` Rafael J. Wysocki
2009-02-22 13:46 ` Pavel Machek
2009-02-18 0:27 ` mark gross
2009-02-18 21:11 ` Rafael J. Wysocki
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