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.ku...@linaro.org> > Signed-off-by: Quentin Perret <quentin.per...@arm.com>
Acked-by: Daniel Lezcano <daniel.lezc...@linaro.org> > --- > arch/arm64/configs/defconfig | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig > index 2d9c39033c1a..4881a752ab3f 100644 > --- a/arch/arm64/configs/defconfig > +++ b/arch/arm64/configs/defconfig > @@ -97,6 +97,7 @@ CONFIG_XEN=y > CONFIG_COMPAT=y > CONFIG_HIBERNATION=y > CONFIG_WQ_POWER_EFFICIENT_DEFAULT=y > +CONFIG_ENERGY_MODEL=y > CONFIG_ARM_CPUIDLE=y > CONFIG_CPU_FREQ=y > CONFIG_CPU_FREQ_STAT=y > -- <http://www.linaro.org/> Linaro.org │ Open source software for ARM SoCs Follow Linaro: <http://www.facebook.com/pages/Linaro> Facebook | <http://twitter.com/#!/linaroorg> Twitter | <http://www.linaro.org/linaro-blog/> Blog
