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Re: [Xen-users] xen only shows only ONE "cpu core"

To: Israel Garcia <igalvarez@xxxxxxxxx>
Subject: Re: [Xen-users] xen only shows only ONE "cpu core"
From: Steven Timm <timm@xxxxxxxx>
Date: Fri, 18 Dec 2009 13:17:45 -0600 (CST)
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Is this on the dom0 or domU.

If on the domU, what value of vcpus do you have
in the config file.

For what it's worth on my dom0 Xeon E5430 CPU running
xen kernel it shows 8 processor entries in /proc/cpuinfo
and shows each one of them with cpu cores : 1 too.

Steve Timm

On Fri, 18 Dec 2009, Israel Garcia wrote:

Do you know why xen kernel shows me only one "cpu cores" when there are 4?

see part of cat /proc/cpuinfo

processor       : 0
vendor_id       : GenuineIntel
cpu family      : 6
model           : 23
model name      : Intel(R) Xeon(R) CPU           E5410  @ 2.33GHz
stepping        : 10
cpu MHz         : 2333.430
cache size      : 6144 KB
physical id     : 0
siblings        : 1
core id         : 0
cpu cores       : 1    <---only ONE
apicid          : 0
initial apicid  : 0
fpu             : yes
fpu_exception   : yes
cpuid level     : 13
wp              : yes
flags           : fpu de tsc msr pae cx8 apic sep mtrr cmov pat
clflush acpi mmx fxsr sse sse2 ss ht syscall nx lm constant_ts
c rep_good pni ssse3 cx16 sse4_1 lahf_lm
bogomips        : 4674.06
clflush size    : 64
cache_alignment : 64
address sizes   : 38 bits physical, 48 bits virtual
power management:

I'm running XEN on debian lenny:
title           Xen 3.2-1-amd64 / Debian GNU/Linux, kernel 2.6.26-1-xen-amd64
root            (hd0,0)
kernel          /xen-3.2-1-amd64.gz
module          /vmlinuz-2.6.26-1-xen-amd64 root=/dev/mapper/vg0-root
ro console=tty0
module          /initrd.img-2.6.26-1-xen-amd64

uname -r:


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Steven C. Timm, Ph.D  (630) 840-8525
timm@xxxxxxxx  http://home.fnal.gov/~timm/
Fermilab Computing Division, Scientific Computing Facilities,
Grid Facilities Department, FermiGrid Services Group, Assistant Group Leader.

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