vmstat

vmstat reports information about processes, memory, paging, block IO, traps, and cpu activity.

• vmstat [EN] @ Wikipedia

Documentation

• man 8 'vmstat' [EN]

Further Information

• System insights with command-line tools: free and vmstat (23.06.2025) [EN] @ Fedora Magazine

Syntax

vmstat [PARAMETER ...] [INTERVAL [COUNT]]

Parameters

-d, --disk

report disk statistics.

-D, --disk-sum

Report some summary statistics about disk statistics.

-p PARTITION, --partition PARTITION

Detailed statistics about PARTITION.

-S UNIT, --unit UNIT

Switches outputs between 1000 (k), 1024 (K), 1000000 (m), or 1048576 (M) bytes.

NOTE:

This does not change the swap (si/so) or block (bi/bo) fields.