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Arm Power Management
The Power Management Working Group is tasked with creating infrastructure, guidelines and tools to enable superior power management on multiple Arm SoCs.
EAS, DynamIQ, Arm, tools, power, energy, thermal, scheduler, big.LITTLE
/engineering/core/arm-power-management/

Linaro power management team aims to bring consistency and to reduce fragmentation of power management solutions in the Arm SoC-Linux ecosystem. Members of this team collaborate with open source Linux community, Arm and other member companies to understand diverse requirements pertaining to power management solutions and actively tries to bridge the gap between conflicting solutions.

The team primarily offers comprehensive solutions to complex problems surrounding power management frameworks, thermal management frameworks and scheduler in Linux kernel. The team also works on testing infrastructure and tools required to evaluate and optimize performance and power consumption of the SoCs https://wiki-archive.linaro.org/SoCs. On need basis, the members get involved in other parts of the software stack to accomplish to optimize power and performance.

Some of the key areas where Linaro Power Management team Engineers are currently involved in Linux Kernel are: -

Energy Aware Scheduler (EAS)

Power Management Frameworks

  • Linux kernel power management frameworks include :-
    • Runtime PM GenPD (Generic Power Domain) CPU Freq CPU Idle Voltage Management and Regulator Framework

Thermal Management

Other initiatives by this team includes

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