Re: [RFC PATCHC 3/3] sched/fair: use the idle state info to choose the idlest cpu

[Daniel Lezcano]

On 04/18/2014 10:09 AM, Ingo Molnar wrote:
> * Daniel Lezcano <daniel.lezcano@xxxxxxxxxx> wrote:
>
> > On 04/17/2014 04:47 PM, Peter Zijlstra wrote:
> > > On Thu, Apr 17, 2014 at 03:53:32PM +0200, Daniel Lezcano wrote:
> > > > Concerning the policy, I would suggest to create an entry in
> > > > /proc/sys/kernel/sched_power, where a couple of values could be performance
> > > > - power saving (0 / 1).
> > >
> > > Ingo wanted a sched_balance_policy file with 3 values:
> > >    "performance, power, auto"
> > >
> > > Where the auto thing switches between them, initially based off of
> > > having AC or not.
> >
> > oh, good. Thanks !
>
> Also, 'auto' should be the default, because the kernel doing TRT is
> really what users want.
>
> Userspace can sill tweak it all and make it all user-space controlled,
> by flipping between 'performance' and 'power'. (and those modes are
> also helpful for development and debugging.)

Copy that.

  Thanks !

  -- Daniel


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