turbostat
Report processor topology, frequency, temperature, power, and idle statistics.
TLDR
Display statistics every 5 seconds
$ sudo turbostat
Display statistics every specified amount of seconds
$ sudo turbostat -i [n_seconds]
Do not decode and print the system configuration header information
$ sudo turbostat --quiet
Display useful information about CPU every 1 second, without header information
$ sudo turbostat --quiet --interval 1 --cpu 0-[CPU_thread_count] --show "PkgWatt","Busy%","Core","CoreTmp","Thermal"
Display help
$ turbostat --help