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Intel CPU 上不保持最大 CPU 频率

Solution In Progress - Updated -

Issue

使用 tuned

  • 虽然使用的 tuned 配置文件为 CPU 设置最大性能频率(throughput-performancelatency-performance 等),但不会保持最大 CPU 频率。

没有 tuned

  • 虽然包括 intel_idle.max_cstate=0 processor.max_cstate=1 的内核参数和/或 BIOS 被配置为将 CPU 频率锁定为最大状态值,但不会支持最大 CPU 频率。

Environment

  • Red Hat Enterprise Linux 7.2 及更高版本

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