Dr. Bjarne Stroustrup, designer and implementor of C++ language.
One Day One Command
mpstat — Report processor(s) related statistics.
The mpstat command writes to standard output activities for each
available processors, processor 0 being the first one. Global average
activities among all processors are also reported.
$ mpstat — Show statistics about all processors.
$ mpstat -P 1 — Show the statistics info about processor 1.
(Note: 0 is 1st, 1 is 2nd, …)
$ mpstat 5 — Show the statistics for every 5 sec.
$ mpstat 5 5 — Show 5 reports of statistics for all processors at 5
second intervals and calculate the average at the end.
Read: man mpstat