What does "cpuid level" mean?

Posted by ogzylz on Super User See other posts from Super User or by ogzylz
Published on 2010-04-24T13:28:35Z Indexed on 2010/04/24 14:43 UTC
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Filed under:

cpu

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x86

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specifications

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explain

For an example, I put just output from 1 core of a 16 core machine.

What does the output mean by "cpuid level" of "6"? Also, what do "bogomips" of "5992.10" and "clflush size" of "64" mean?

processor    :    0
vendor_id    :    GenuineIntel
cpu family   :    15
model        :    6
model name   :    Intel(R) Xeon(TM) CPU 3.00GHz
stepping     :    8
cpu MHz      :    2992.689
cache size   :    4096 KB
physical id  :    0
siblings     :    4
core id      :    0
cpu cores    :    2
fpu          :    yes
fpu_exception:    yes
cpuid level  :    6
wp           :    yes
flags        :    fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge 
                  mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 
                  ss ht tm syscall nx lm constant_tsc pni monitor ds_cpl 
                  vmx cid cx16 xtpr lahf_lm
bogomips     :    5992.10
clflush size :    64
cache_alignment:  128
address sizes:    40 bits physical, 48 bits virtual
power management:

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