Re: [PATCH] sched/idle: Make idle poll dynamic per-cpu

[Ingo Molnar]

* Ingo Molnar <mingo@xxxxxxxxxx> wrote:

> > Urgh, can we please make this a cpuidle governor thing or so? So that 
> > we don't need to invent new interfaces and such.
> 
> I think the desired property here would be to make this interface on top 
> of pretty much any governor. Ie. have a governor, but also a way to drop 
> any CPU into idle-poll, overriding that.

... with the goal of having the best governor for power efficiency by 
default - but also the ability to drop a handful of CPUs into the highest 
performance / lowest latency idle mode.

It's a special kind of nested policy, for workload exceptions.

Thanks,

	Ingo