Find physical processor, cores and virtual processors in Solaris

1. To get  number of physical processors
• psrinfo -p
2. To get info about all virtual processors  (number of cores * number of threads per core * no of physical processor)
• psrinfo
3. To get number of virtual processor per physical processor
• psrinfo -pv
4. To get number of cores per physical processor
• #  kstat cpu_info|grep core_id|uniq  | wc -l
5. To get the number of threads per physical processor
• Divide output of 3/output of 4

• To disable range of CPUS
• psradm -f 20-63
• To enable range of CPUS
• psradm -n 20-63