On Wed, 2006-12-27 at 06:16 -0800, Martin Knoblauch wrote:
> Hi, (please CC on replies, thanks)
>
> for the ganglia project (http://ganglia.sourceforge.net/) we are
> trying to find a heuristics to determine the number of physical CPU
> "cores" as opposed to virtual processors added by enabling HT. The
> method should work on 2.4 and 2.6 kernels.
I have a counter question for you.. what are you trying to do with the
"these two are SMT sibblings" information ?
Because I suspect "HT" is the wrong level of detection for what you
really want to achieve....
If you want to decide "shares caches" then at least 2.6 kernels directly
export that (and HT is just the wrong way to go about this).
--
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