HP-UX check CPU core

If you can reboot:
http://sysdigg.blogspot.com/2008/03/howto-find-cpu-is-dualquad-core-in-hp.html

From EFI boot manager select "System Configuration"
=>System configuration select "Advanced System Information"
=> from Advanced system information select "Display All information"
PROCESSOR MODULE INFORMATION

# of L3 L4 Family/
CPU Logical Cache Cache Model Processor
Module CPUs Speed Size Size (hex.) Rev State
------ ------- -------- ------ ------ ------- --- ------------
0 2 1.6 GHz 9 MB None 20/00 C2 Active
1 2 1.6 GHz 9 MB None 20/00 C2 Active

From command:
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?lang=en&cc=us&taskId=120&prodSeriesId=3257031&prodTypeId=15351&objectID=c01161194

machinfo:
Single-core processors ======================
processor family: 31 Intel(R) Itanium 2 Family Processors
Dual-core processors ====================
processor family: 32 Intel(R) Itanium 2 9000 series OR
processor family: 32 Intel(R) Itanium 2 9100 series

From MP prompt:
[host] MP> cm
[host] MP:CM> ss
SS
System Processor Status:
Monarch Processor: 0
Processor Module 0: Installed and Configured
Processor Module 1: Not Installed

Plus command:
host[root]:/>ioscan -k|grep pro
120 processor Processor
121 processor Processor