Messages in this thread | | | Date | Mon, 16 Feb 2009 12:45:20 -0800 | From | Arjan van de Ven <> | Subject | Re: [RFD] Automatic suspend |
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On Mon, 16 Feb 2009 15:39:15 -0500 (EST) Alan Stern <stern@rowland.harvard.edu> wrote:
> On Mon, 16 Feb 2009, Kyle Moffett wrote: > > > Userspace may not have a useful decision-making capability regarding > > functionality versus power-saving, but the user it's talking to > > might! > > > > 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? > > Even if drivers don't know how much power their devices consume (and > generally I wouldn't expect them to), it still makes sense to offer > userspace the discretionary power to force devices into a low-power > mode. USB does this.
"stop using it" isn't this discretionary power ? (for NICs this is "ifconfig .. down")
-- Arjan van de Ven Intel Open Source Technology Centre For development, discussion and tips for power savings, visit http://www.lesswatts.org
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