cpupower

Tools regarding CPU power and tuning options. More information: https://manned.org/cpupower.

• List CPUs:

sudo cpupower --cpu all info

• Print information about all cores:

sudo cpupower --cpu all info

• Set all CPUs to a power-saving frequency governor:

sudo cpupower --cpu all frequency-set --governor powersave

• Print CPU 0’s available frequency governors:

sudo cpupower --cpu 0 frequency-info g | grep "analyzing\|governors"

• Print CPU 4’s frequency from the hardware, in a human-readable format:

sudo cpupower --cpu 4 frequency-info --hwfreq --human