tldr/pages/linux/cpupower.md

cpupower

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

• List CPUs:

sudo cpupower {{[-c|--cpu]}} {{all}} info

• Print information about all cores:

sudo cpupower {{[-c|--cpu]}} {{all}} info

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

sudo cpupower {{[-c|--cpu]}} {{all}} frequency-set --governor {{powersave}}

• Print CPU 0's available frequency governors:

sudo cpupower {{[-c|--cpu]}} {{0}} frequency-info {{[-g|--governors]}} | grep "analyzing\|governors"

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

sudo cpupower {{[-c|--cpu]}} {{4}} frequency-info {{[-w|--hwfreq]}} {{[-m|--human]}}