[aix] cpu deallocation

AIX CPU deallocation

1) Activate cpu deallocation 
# chdev -l sys0 -a cpuguard='enable'
check the application
# lsattr -El sys0

2) check the number of processor which try to disable
# lsdev -Cc processor

3) cpu disable
# cpu_deallocate (logical CPU number)


4) check the processor status
# lsattr -El proc##

※ Caution

You need to reboot to reactivate the disabled cpu. 
It needs more than 3 cpu to use cpuguard.

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