psradm — Change Processor Operational Status
Synopsis
/usr/sbin/psradm -f | -i | -n [-v] processor-id...
/usr/sbin/psradm -a -f | -i | -n [-v]
Description
Use the psradm command to change the operational status of processors. The legal states for the processor are on-line (-n), off-line (-f), and no-intr (-i).
An on-line processor processes LWPs (lightweight processes) and may be interrupted by I/O devices in the system.
An off-line processor does not process any LWPs. Usually, an off-line processor is not interruptible by I/O devices in the system. On some processors or under certain conditions, it may not be possible to disable interrupts for an off-line processor. Thus, the actual effect of being off-line can vary from machine to machine. ...
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