Re: [PATCH 1/3] sched/fair: Prepare variables for increased precision of EAS estimated energy

[Lukasz Luba]

Hi Peter,

Gentle ping.
You might missed my previous email.

On 6/30/21 6:28 PM, Lukasz Luba wrote:
> On 6/30/21 6:01 PM, Rafael J. Wysocki wrote:
> > On Fri, Jun 25, 2021 at 5:26 PM Lukasz Luba <lukasz.luba@xxxxxxx> wrote:
> > > The Energy Aware Scheduler (EAS) tries to find best CPU for a waking up
> > > task. It probes many possibilities and compares the estimated energy 
> > > values
> > > for different scenarios. For calculating those energy values it 
> > > relies on
> > > Energy Model (EM) data and em_cpu_energy(). The precision which is 
> > > used in
> > > EM data is in milli-Watts (or abstract scale), which sometimes is not
> > > sufficient. In some cases it might happen that two CPUs from different
> > > Performance Domains (PDs) get the same calculated value for a given task
> > > placement, but in more precised scale, they might differ. This rounding
> > > error has to be addressed. This patch prepares EAS code for better
> > > precision in the coming EM improvements.
> > >
> > > Signed-off-by: Lukasz Luba <lukasz.luba@xxxxxxx>
> >
> > If you want me to pick up this series, this patch requires an ACK from
> > the scheduler maintainers.
>
> It would be great, if you could take it after e.g. Peter ACK it.
>
> Peter could you have a look at it, please?
> In this patch 1/3 we have only variables upgrade.
>
> Regards,
> Lukasz

Could you have a look and ACK the patch 1/3, please?