Best approach to determine CPU cores – physical and logical

675 pts.
Tags:
CPU
CPU usage
DataCenter
Server management
What is the best way to determine the number of CPU cores both physical and logical on servers. And the servers can range from the Intel architectures Intel X86 series, Intel X64 (Itanium), AMD X86 series, IBM Power4, IBM Power5, IBM Power6, IBM Power7, Sun SPARC IV series, Sun Niagara series, HP PA-RISC 8000 series, MIPS series processors. And for chipsets that support Hyperthreading, whether it is enabled or disabled. 

Software/Hardware used:
IBM, HP, Sun, Microsoft, Windows, AIX, Linux, Solaris, HP-UX, zSeries

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  • Hlx
    Are you talking about programmatically or what? I don't think there is a single answer across all of those platforms.
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