https://docs.oracle.com/cd/E86824_01/html/E54765/pset-info-2.html
pset_info - get information about a processor set The pset_info() function returns information on the processor set pset .
man pagessystem callspsetinfosection
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https://docs.oracle.com/cd/E36784_01/html/E36872/pset-getattr-2.html
The pset_setattr() function sets attributes of the processor set specified by pset. The bitmask of attributes to be set or cleared is specified by attr.
man pagessystem callspsetsection