Figuring out how many real cpus, cpu cores, and logical cpus

John Baldwin jhb at freebsd.org
Fri Sep 26 14:05:11 UTC 2008


On Friday 26 September 2008 07:56:45 am Aragon Gouveia wrote:
> Hi,
> 
> I'm struggling to figure out if my BSD system is detecting the correct
> properties about my CPU.
> 
> What I've figured out so far is that FreeBSD is seeing 1 physical CPU, with
> 1 core, and 2 logical CPUs.  However, I am fairly certain this CPU should
> have multiple cores (atleast two).

Are you sure this isn't a Xeon processor with 2 hyperthreads?  amr(4) is a 
PERC4 RAID controller, and the dual-core Dell boxes I know of all have 
PERC5/6 (mfi) RAID controllers.

-- 
John Baldwin


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