iostat

Report statistics for devices and partitions.

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• Display a report of CPU and disk statistics since system startup:

iostat

• Display a report of CPU and disk statistics with units converted to megabytes:

iostat -m

• Display CPU statistics:

iostat -c

• Display disk statistics with disk names (including LVM):

iostat -N

• Display extended disk statistics with disk names for device "sda":

iostat -xN {sda}

• Display incremental reports of CPU and disk statistics every 2 seconds:

iostat {2}

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