This proved to be the most consistent means for me. The other commands
that were suggested worked on some of my boxes, but not others. This
one seems to work on all of them.
Emilio Casbas wrote:
Jim Canfield escribió:
Ray Van Dolson wrote:
"type 4" will count available slots regardless of the CPU existing. How
about this one...
# grep physical /proc/cpuinfo
You should have unique ids for each physical CPU. I don't have a dual
core at my disposal but it works for hyper threading.
-Jim
Interesting. If you actually look through the information from the
type 4 second, I'm guessing it would be clear to the eye that there is
or isn't a processor installed though, correct?
Sounds like your way is the easiest though.
Ray
True. Curiosity got the best of me when I ran your "type 4" method
and 2
returned when I knew I only had one CPU installed...after looking
at the
output, you are right, it's clear the second processor is not
installed.
...I'm surprised no one has mentioned the "open the case" option :)
-Jim
Another possibility could be:
#more /proc/cpuinfo
and look the "physical id" feature.
By this way with two processors hyper threading, you'll see:
4 processors: two with "physical id"=0 plus two with "physical id"=3
So you could assume that there are 2 real processors.
Thanks
Emilio C.
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