Update on DeviceKit

[Matthew Garrett]

On Thu, May 08, 2008 at 10:38:43PM +0200, Holger Macht wrote:

> With you're argumentation being true, it wouldn't make sense to have
> something like an ondemand governor at all. Not to mention having an
> up_threshold exported to userspace. Just always run at full speed.

In an ideal universe, it wouldn't be. However, there's a (small) power 
cost involved in ramping up the voltage and frequency. If the amount of 
work to be done is sufficiently small, you can win (slightly) by staying 
at the lower frequency, and so ondemand makes sense.

-- 
Matthew Garrett | mjg59 at srcf.ucam.org