Re: only one logical CPU used in Xeon

Oliver Fromme <[email protected]> Tue, 17 Mar 2009 21:51:14 +0100 (CET)

Newsgroups	gmane.os.freebsd.devel.smp
Message-ID	<[email protected]>

Won De Erick <[email protected]> wrote:
 > Thanks for that further clarification. The dmesg has also justified th=
is.
 >=20
 > #dmesg
 > ...
 > Cores per package: 4
 > ...
 > FreeBSD/SMP: Multiprocessor System Detected: 4 CPUs
 > ...

Yes.  On machines with hyperthreaded processors, you would
also see the message "Logical CPUs per core: 2" or similar
in dmesg.  This message appears only if you have hyper-
threaded processors.

Best regards
   Oliver

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