cpupower
Tools regarding CPU power and tuning options. tldr-pages
On Linux
Linux
Print information about all cores
sudo cpupower --cpu all infoIdentifySet all CPUs to a power-saving frequency governor
sudo cpupower --cpu all frequency-set --governor powersaveIdentifyPrint CPU 0's available frequency governors
sudo cpupower --cpu 0 frequency-info --governors | grep "analyzing\|governors"IdentifyPrint CPU 4's frequency from the hardware, in a human-readable format
sudo cpupower --cpu 4 frequency-info --hwfreq --humanIdentify