我在基于 AMD A8-4500m 的笔记本电脑上使用 Ubuntu 14.04(3.13.0-24-generic kernel),我最近注意到,AMD Turbo Core 根本不工作。一切都在 Windows 上运行,但是,在 Linux 上 CPU 频率不能超过 1.9 GHz(使用 进行检查cpufreq-aperf)。
这是 的输出cpupower frequency-info,注意Active: no under boost state support:
analyzing CPU 0:
driver: acpi-cpufreq
CPUs which run at the same hardware frequency: 0
CPUs which need to have their frequency coordinated by software: 0
maximum transition latency: 4.0 us.
hardware limits: 1.40 GHz - 1.90 GHz
available frequency steps: 1.90 GHz, 1.80 GHz, 1.70 GHz, 1.60 GHz, …Run Code Online (Sandbox Code Playgroud)