Update on DeviceKit

[Holger Macht]

On Thu 08. May - 15:46:00, Matthew Garrett wrote:
> On Thu, May 08, 2008 at 03:41:14PM +0100, Rob Taylor wrote:
> 
> > I think I'd prefer to just have a way of setting the governor. In the 
> > future it would be good to have a kernel interface for setting your 
> > desired interrupt-wakeup latency, but afaik we don't have this yet.
> 
> On desktop systems, nothing other than ondemand ever makes sense. 
> There's already a kernel knob for setting maximum latency, but right now 
> I believe it only takes C states into account. You're guaranteed to get 
> code running within that window, it just makes no guarantees about what 
> speed the CPU will be running at or how long it'll take to ramp up.

So it would even make sense to not export "setting the governor", but just
a performance scale. This way, you could even set the governor behind the
interface if it requests full/medium/low performance.

Regards,
	Holger