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How to identify logical CPU Numbers used per socket?

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I've got a problem inside a VM where an app is crashing (allegedly) due to conflicting clock speeds being reported from the CPU.

It's a 4 core VM and out of the many scenarios I'm testing, one of them involves forcing the VM to only use one of the physical sockets on the host to see if we can rule that out as a source.

 

The host has 2 sockets, 6 cores per socket.

In the VM CPU affinity, I see that I can choose from 12 logical processors, but I'm wondering if it's common knowledge on how the logical processors are numbered?

 

Does the system label an entire CPU at a time? So 0-5 would be CPU#0 and 6-11 would be CPU#1?

Or does it stripe them? So all even numbers are CPU#0 and odd numbers are CPU#1?

 

Thanks for any help you can offer.

 

Ryan.


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