CPU distribution usage

Command: sar -u ALL

      %usr
	     Percentage of CPU utilization that occurred while execut-
	     ing at the user level (application). Note that this field
	     does NOT include time spent running virtual processors.

      %nice
	     Percentage of CPU utilization that occurred while execut-
	     ing at the user level with nice priority.

      %sys
	     Percentage of CPU utilization that occurred while execut-
	     ing  at  the  system level (kernel). Note that this field
	     does NOT include time spent servicing hardware  or  soft-
	     ware interrupts.