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19.2.3.  /proc/cpuinfo

This virtual file identifies the type of processor used by your system. The following is an example of the output typical of /proc/cpuinfo:
processor       : 0
vendor_id       : GenuineIntel
cpu family      : 15
model           : 2
model name      : Intel(R) Xeon(TM) CPU 2.40GHz
stepping        : 7 cpu
MHz             : 2392.371
cache size      : 512 KB
physical id     : 0
siblings        : 2
runqueue        : 0
fdiv_bug        : no
hlt_bug         : no
f00f_bug        : no
coma_bug        : no
fpu             : yes
fpu_exception   : yes
cpuid level     : 2
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
bogomips        : 4771.02
  • processor — Provides each processor with an identifying number. On systems that have one processor, only a 0 is present.
  • cpu family — Authoritatively identifies the type of processor in the system. For an Intel-based system, place the number in front of "86" to determine the value. This is particularly helpful for those attempting to identify the architecture of an older system such as a 586, 486, or 386. Because some RPM packages are compiled for each of these particular architectures, this value also helps users determine which packages to install.
  • model name — Displays the common name of the processor, including its project name.
  • cpu MHz — Shows the precise speed in megahertz for the processor to the thousandths decimal place.
  • cache size — Displays the amount of level 2 memory cache available to the processor.
  • siblings — Displays the number of sibling CPUs on the same physical CPU for architectures which use hyper-threading.
  • flags — Defines a number of different qualities about the processor, such as the presence of a floating point unit (FPU) and the ability to process MMX instructions.

 
 
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