CmdID

CmdID / Commands

iostat

Report statistics for devices and partitions. tldr-pages

On Linux, macOS

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Linux

from tldr-pages, CC BY 4.0

Display a report of CPU and disk statistics since system startup

iostatIdentify

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

iostat -mIdentify

Display CPU statistics

iostat --compactIdentify

Display disk statistics with disk names (including LVM)

iostat -NIdentify

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

iostat -xN sdaIdentify

Display incremental reports of CPU and disk statistics every 2 seconds

iostat 2Identify

macOS

from tldr-pages, CC BY 4.0

Report statistics for devices.

Display snapshot device statistics (kilobytes per transfer, transfers per second, megabytes per second), CPU statistics (percentages of time spent in user mode, system mode, and idle mode), and system load averages (for the past 1, 5, and 15 min)

iostatIdentify

Display only device statistics

iostat -dIdentify

Display incremental reports of CPU and disk statistics every 2 seconds

iostat 2Identify

Display statistics for the first disk every second indefinitely

iostat -w 1 disk0Identify

Display statistics for the second disk every 3 seconds, 10 times

iostat -w 3 -c 10 disk1Identify

Display using old-style iostat display. Shows sectors transferred per second, transfers per second, average milliseconds per transaction, and CPU statistics + load averages from default-style display

iostat -oIdentify

Display total device statistics (KB/t: kilobytes per transfer as before, xfrs: total number of transfers, MB: total number of megabytes transferred)

iostat -IIdentify