Re: How to get number of physical CPU in linux from user space?

From: Gianni Tedesco (gianni@ecsc.co.uk)
Date: Fri Oct 25 2002 - 03:26:39 EST

On Fri, 2002-10-25 at 00:02, chrisl@vmware.com wrote:
> It seems that /proc/cpuinfo will return the number of logical CPU.
> If the machine has Intel Hyper-Thread enabled, that number is bigger
> than physical CPU number. Usually twice as big.
>
> My question is, what is the reliable way for user space program
> to detect the number of physical CPU in the current machine?

I believe there was talk about representing the CPUs in driverfs
somehow. Not sure of the details though... 

-- 
// Gianni Tedesco (gianni at ecsc dot co dot uk)
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