pidstat

Show system resource usage, including CPU, memory, IO etc.

More information.

• Show CPU statistics at a 2 second interval for 10 times:

pidstat {2} {10}

• Show page faults and memory utilization:

pidstat -r

• Show input/output usage per process id:

pidstat -d

• Show information on a specific PID:

pidstat -p {PID}

• Show memory statistics for all processes whose command name include "fox" or "bird":

pidstat -C "{fox|bird}" -r -p ALL

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