Re: [PATCH V3 2/2] sched: idle: IRQ based next prediction for idle period

[Daniel Lezcano]

On 02/17/2016 11:21 PM, Rafael J. Wysocki wrote:

[ ... ]

> > > Reviewed-by: Nicolas Pitre <nico@xxxxxxxxxx>
> >
> > Well, I'm likely overlooking something, but how is this going to be
> > hooked up to the code in idle.c?
>
> My somewhat educated guess is that sched_idle() in your patch is
> intended to replace cpuidle_idle_call(), right?

Well, no. I was planning to first have it to use a different code path 
as experimental code in order to focus improving the accuracy of the 
prediction and then merge or replace cpuidle_idle_call() with sched_idle().

> If so, why do you want to replace it?
>
> And assuming that you have a good enough reason to do that, you need
> to ensure that suspend-to-idle will work anyway.

Yes, sure.


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