Re: [PATCH v4 1/3] arm64: defconfig: Enable CONFIG_ENERGY_MODEL

[Quentin Perret]

On Wednesday 15 May 2019 at 10:46:09 (+0200), Daniel Lezcano wrote:
> On 15/05/2019 10:23, Quentin Perret wrote:
> > The recently introduced Energy Model (EM) framework manages power cost
> > tables for the CPUs of the system. Its only user right now is the
> > scheduler, in the context of Energy Aware Scheduling (EAS).
> > 
> > However, the EM framework also offers a generic infrastructure that
> > could replace subsystem-specific implementations of the same concepts,
> > as this is the case in the thermal framework.
> > 
> > So, in order to prepare the migration of the thermal subsystem to use
> > the EM framework, enable it in the default arm64 defconfig, which is the
> > most commonly used architecture for IPA. This will also compile-in all
> > of the EAS code, although it won't be enabled by default -- EAS requires
> > to use the 'schedutil' CPUFreq governor while arm64 defaults to
> > 'performance'.
> > 
> > Acked-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
> > Signed-off-by: Quentin Perret <quentin.perret@xxxxxxx>
> 
> Acked-by: Daniel Lezcano <daniel.lezcano@xxxxxxxxxx>

Thanks !
Quentin