Re: [PATCH 0/2] cpuidle optimizations (on top of linux-next)

From: Ingo Molnar
Date: Tue Jan 19 2016 - 02:28:23 EST



* Sudeep Holla <sudeep.holla@xxxxxxx> wrote:

> On 15/01/16 23:53, Rafael J. Wysocki wrote:
> >Hi,
> >
> >When I was looking at the cpuidle code after the Sudeeps's problem report,
> >it occured to me that we had some pointless overhead there, so two
> >changes to reduce it follow.
> >
> >[1/2] Make the fallback to to default_idle_call() in call_cpuidle()
> > unnecessary and drop it.
> >[2/2] Make menu_select() avoid checking states that don't need to
> > (or even shouldn't) be checked when making the selection.
> >
>
> Tested-by: Sudeep Holla <sudeep.holla@xxxxxxx>

Rafael, can I pick these up into the scheduler tree?

Thanks,

Ingo