%irq - Displays the percentage of time spent by the CPU or CPUs to service hardware interrupts.%iowait - Displays the percentage of time that the CPU or CPUs were idle during which the system had an outstanding disk I/O request.%sys - Displays the percentage of CPU utilization that occurred while executing at the system level (kernel).%nice - Displays the percentage of CPU utilization that occurred while executing at the user level with nice priority.%usr - Displays the percentage of CPU utilization that occurred while executing at the user level (application).all - Indicates that statistics are calculated as averages among all processors. 02:18:23 - The time when you run mpstat.Let me break down the above output and tell you what each option does.
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