Created
January 27, 2012 12:06
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Q6600 xen(?)-guest description
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$ cat /proc/cpuinfo | |
processor : 0 | |
vendor_id : GenuineIntel | |
cpu family : 6 | |
model : 15 | |
model name : Intel(R) Core(TM)2 Quad CPU Q6600 @ 2.40GHz | |
stepping : 11 | |
cpu MHz : 2393.984 | |
cache size : 4096 KB | |
fdiv_bug : no | |
hlt_bug : no | |
f00f_bug : no | |
coma_bug : no | |
fpu : yes | |
fpu_exception : yes | |
cpuid level : 10 | |
wp : yes | |
flags : fpu de tsc msr pae cx8 sep cmov pat clflush mmx fxsr sse sse2 ss ht nx constant_tsc pni ssse3 hypervisor | |
bogomips : 4787.96 | |
clflush size : 64 | |
cache_alignment : 64 | |
address sizes : 36 bits physical, 48 bits virtual | |
power management: | |
processor : 1 | |
vendor_id : GenuineIntel | |
cpu family : 6 | |
model : 15 | |
model name : Intel(R) Core(TM)2 Quad CPU Q6600 @ 2.40GHz | |
stepping : 11 | |
cpu MHz : 2393.984 | |
cache size : 4096 KB | |
fdiv_bug : no | |
hlt_bug : no | |
f00f_bug : no | |
coma_bug : no | |
fpu : yes | |
fpu_exception : yes | |
cpuid level : 10 | |
wp : yes | |
flags : fpu de tsc msr pae cx8 sep cmov pat clflush mmx fxsr sse sse2 ss ht nx constant_tsc pni ssse3 hypervisor | |
bogomips : 4787.96 | |
clflush size : 64 | |
cache_alignment : 64 | |
address sizes : 36 bits physical, 48 bits virtual | |
power management: | |
$ uname -a | |
Linux ld-office-01 2.6.32-5-686-bigmem #1 SMP Mon Oct 3 05:03:32 UTC 2011 i686 GNU/Linux | |
$ cat /etc/debian_version | |
6.0.3 |
Q6600 is processor with no HT at all, but with 4 physical cores. This is virtual environment of some kind (maybe qemu? or xen with custom kernel - I have just noticed that name of our product for which this server is testing place is present in the name of the kernel) with limited number of available cores. Only two are.
That makes sense. Perhaps not the best candidate for thread affinity, but the software should still work.
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You have a Quad CPU Q6600 with "ht" hyper threading but it only reports 2 processors?