Re: Determining if the current processor is Hyperthreaded

[Athul Acharya]

On 8/2/05, Bill Davidsen <davidsen@xxxxxxx> wrote:
> Athul Acharya wrote:
> > Hey folks,
> >
> > Is there a quick way to determine if the current processor is
> > Hyperthreaded, and if so, which logical processor represents the other
> > thread on the chip? Please cc replies to me as I am not subscribed to
> > the list :-)
> 
> Look at /proc/cpuinfo and see if "siblings" is listed and more than one.
> There is no "other thread" there, it's like "which one is the other hand?"


Sorry, I should've been more specific -- I mean within the kernel. 
That is, I want to know whether the current cpu I (kernel code) am
executing on is hyperthreaded, and if so, which logical cpu represents
the other thread on chip.

Athul
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