Install cpufrequtils by entering the following commands in the terminal:
sudo apt update sudo apt install cpufrequtils
Description:
utilities to deal with the cpufreq Linux kernel feature
This package contains two utilities for inspecting and setting the CPU frequency through both the sysfs and procfs CPUFreq kernel interfaces. . By default, it also enables CPUFreq at boot time if the correct CPU driver is found.
Homepage: http://kernel.org/pub/linux/utils/kernel/cpufreq/cpufrequtils.html
Version: 008-1build1
Section: universe/utils