sar

linux

Monitor performance of various Linux subsystems.

Examples (6)

Report I/O and transfer rate issued to physical devices, one per second (press `<Ctrl c>` to quit)

sar -b 1

Report a total of 10 network device statistics, one per 2 seconds

sar -n DEV 2 10

Report CPU utilization, one per 2 seconds

sar -u ALL 2

Report a total of 20 memory utilization statistics, one per second

sar -r ALL 1 20

Report the run queue length and load averages, one per second

sar -q 1

Report paging statistics, one per 5 seconds

sar -B 5