Intel Pentium Silver N5000 上的恒定 CPU 频率为 1.1 GHz

我的 ASUS x507ma 笔记本电脑遇到问题，该笔记本电脑配备 Intel Pentium Silver N5000 (Gemini Lake) 处理器。在各种 Linux 发行版（例如 Ubuntu、CentOS 或 Debian）上，CPU 频率始终固定在 1.1 GHz 的基本频率。我使用命令 watch 对此进行监控

cat /proc/cpuninfo | grep MHz

在尝试了不同的发行版之后，我安装了 Arch Linux，令我惊讶的是，一切都开箱即用。通过基于负载的动态频率缩放来正确识别CPU。然而，为了学习，我需要在 Ubuntu 上工作。

当我跑步时

cpupower frequency-info

在 Arch 上，驱动程序被标识为intel_pstate。相反，在 Ubuntu 上，相同的命令表示未找到该模块或该 CPU 的驱动程序未激活。cpupower frequency-info我提供了Arch 和 Ubuntu的输出以供参考。

拱：

analyzing CPU 0:
  driver: intel_pstate
  CPUs which run at the same hardware frequency: 0
  CPUs which need to have their frequency coordinated by software: 0
  maximum transition latency:  Cannot determine or is not supported.
  hardware limits: 800 MHz - 2.70 GHz
  available cpufreq governors: performance powersave
  current policy: frequency should be within 800 MHz and 2.70 GHz.
                  The governor "powersave" may decide which speed to use
                  within this range.
  current CPU frequency: Unable to call hardware
  current CPU frequency: 1.79 GHz (asserted by call to kernel)
  boost state support:
    Supported: yes
    Active: yes

Ubuntu 20.04 LTS：

analyzing CPU 0:
  no or unknown cpufreq driver is active on this CPU
  CPUs which run at the same hardware frequency: Not Available
  CPUs which need to have their frequency coordinated by software: Not Available
  maximum transition latency:  Cannot determine or is not supported.
Not Available
  available cpufreq governors: Not Available
  Unable to determine current policy
  current CPU frequency: Unable to call hardware
  current CPU frequency:  Unable to call to kernel
  boost state support:
    Supported: no
    Active: no

如果您能了解为什么此问题出现在 Ubuntu 上而不是 Arch Linux 上，以及我如何在 Ubuntu 上解决此问题，我们将不胜感激。