How do I Find Out Linux CPU Utilization? 2. vmstat – Virtual memory statistics The vmstat command reports information about processes, memory, paging, block IO, traps, and cpu activity. # vmstat 3 Sample Outputs: procs -----------memory---------- ---swap-- -----io---- --system-- -----cpu------ r b swpd free buff cache si so bi bo in cs us sy id wa st 0 0 0 2540988 522188 5130400 0 0 2 32 4 2 4 1 9