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CPU Scaling

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OPPO Kernel Craftsman
OPPO Kernel Craftsman
Oct 25, 2024 · Mobile Development

Understanding Android Dynamic Performance Framework (ADPF) and Its Performance‑Hint API

Android Dynamic Performance Framework (ADPF) lets apps and games send performance‑hint data—such as target work durations and preferred cores—to the kernel, enabling faster CPU frequency scaling and priority scheduling that mitigates the latency of PELT/WALT and DCVS, while developers use APIs like createHintSession and reportActualWorkDuration, though adoption remains limited.

ADPFAndroidCPU Scaling
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Understanding Android Dynamic Performance Framework (ADPF) and Its Performance‑Hint API