Nov 13 – 15, 2023
America/New_York timezone

uclamp in CFS: Fairness, latency, and energy efficiency

Nov 14, 2023, 4:30 PM
"James River Salon B" (Omni Richmond Hotel)

"James River Salon B"

Omni Richmond Hotel

Power Management and Thermal Control MC Power Management and Thermal Control MC


Dietmar Eggemann Morten Rasmussen (Arm)


Utilisation clamping enables user-space to set performance/efficiency preference per-task and task group. It is used on Android systems today but alignment with upstream Linux is lacking behind.
This a discussion topic with the aim aligning on the expectations, use-cases, and possible implementation of uclamp.

Primary author


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