[Xen-users] how do i confirm my new second CPU

[simon ben <guy20034u@xxxxxxxxx>]

Dear All,

I had a Centos 5.8 server running xen 3.1.2-194.el5 for quite sometime and working fine

i have just added a second cpu but am confused since the different utilities to check for the presence of the new installed CPU is conflicting

what i mean is running cat /proc/cpuinfo shows one cpu

------

processor       : 0
vendor_id       : GenuineIntel
cpu family      : 6
model           : 44
model name      : Intel(R) Xeon(R) CPU           E5620  @ 2.40GHz
stepping        : 2
cpu MHz         : 2393.998
cache size      : 12288 KB
physical id     : 0
siblings        : 1
core id         : 0
cpu cores       : 1
fpu             : yes
fpu_exception   : yes
cpuid level     : 11
wp              : yes
flags           : fpu tsc msr pae cx8 apic mtrr cmov pat clflush acpi mmx fxsr sse sse2 ss ht syscall nx lm constant_tsc ida arat pni est ssse3 cx16 sse4_1 sse4_2 popcnt lahf_lm
bogomips        : 5987.92
clflush size    : 64
cache_alignment : 64
address sizes   : 40 bits physical, 48 bits virtual
power management:

--------------------

xm info show 2 cpus that is 2*8

--------------------

[root@kilaw ~]# xm info
host                   : kilaw.kilaw.edu.kw
release                : 2.6.18-194.el5xen
version                : #1 SMP Fri Apr 2 15:34:40 EDT 2010
machine                : x86_64
nr_cpus                : 16
nr_nodes               : 1
sockets_per_node       : 2
cores_per_socket       : 4
threads_per_core       : 2
cpu_mhz                : 2394
hw_caps                : bfebfbff:2c100800:00000000:00000140:029ee3ff:00000000:00000001
total_memory           : 32755
free_memory            : 9285
node_to_cpu            : node0:0-15
xen_major              : 3
xen_minor              : 1
xen_extra              : .2-194.el5
xen_caps               : xen-3.0-x86_64 xen-3.0-x86_32p hvm-3.0-x86_32 hvm-3.0-x86_32p hvm-3.0-x86_64
xen_pagesize           : 4096
platform_params        : virt_start=0xffff800000000000
xen_changeset          : unavailable
cc_compiler            : gcc version 4.1.2 20080704 (Red Hat 4.1.2-48)
cc_compile_by          : mockbuild
cc_compile_domain      : centos.org
cc_compile_date        : Fri Apr  2 14:50:53 EDT 2010
xend_config_format     : 2

----------------

xm top shows 2

------------------

5 domains: 1 running, 4 blocked, 0 paused, 0 crashed, 0 dying, 0 shutdown
Mem: 33541220k total, 24033108k used, 9508112k free    CPUs: 16 @ 2394MHz
      NAME  STATE   CPU(sec) CPU(%)     MEM(k) MEM(%)  MAXMEM(k) MAXMEM(%) VCPUS NETS NETTX(k) NETRX(k) VBD
S   VBD_OO   VBD_RD   VBD_WR SSID
  Domain-0 -----r      67011    1.9    4194560   12.5   no limit       n/a     1    6 96323953  2594290
0        0        0        0    0
      mail --b---     135648    9.1    6299524   18.8    8404992      25.1     4    1        0        7
1        0        0        0    0
mailscanner --b---      39610    4.3    4202372   12.5    8404992      25.1     2    1        0       15
 1        0        0        0    0
       web --b---      33976    3.5    4202372   12.5    8404992      25.1     2    1  1672761   292667
1        0        0        0    0
    webnew --b---      61236    6.5    4202372   12.5    8404992      25.1     4    1        0        7
1        0        0        0    0

-----------------------------------------------

how do i correctly check and be confirmed that my linux xen server is using both Cpus.

i have already assigned VM to the cores on the second cpu and everything is working fine

but jus wanted to confirm.

appreciate your kind help and advice

regards

simon

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