How many processors are active in box ?

[Zoran Salahovic Lendra]

DualCore maybe?

you can see the number of your physical processors with something like 
this:

[root at box ~]# cat /proc/cpuinfo |grep "physical id"|sort -u
physical id     : 0
physical id     : 1

Pozdrav
Zoran




Dusan Djordjevic <dj.dule.liste at gmail.com> 
 
Enviado por: redhat-list-bounces at redhat.com
17/12/2009 10:48
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Asunto
How many processors are active in box ?






Hi all,

I should perform upgrades to a box that I did not install so I am out of
documents. What confuses me is following:

-According to /etc/issue, it is running RHEL 5.2 (Red Hat Enterprise Linux
Server release 5.2 (Tikanga)). As far as I know. ES supports up to 2
processors
-It seems server do have 4 x Opteron 850 physical processors
-cat /proc/cpuinfo shows that box do have 4 processors

I am confused here. If only 2 processors are supported by ES, how comes I
can see all of them ? Are they active all, or just I can see them but 
kernel
uses only 2 ?

Why someone installed ES on 4 processors box is another question, not for
here :)

Thank you in advance.

Best regards,
Dusan
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