Which information CANNOT be displayed by issuing the command cat /proc/cpuinfo?

Answer is C

[Expert@WinterSoldier:0]# cat /proc/cpuinfo
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 44
model name : Intel(R) Xeon(R) CPU E5649 @ 2.53GHz
stepping : 2
cpu MHz : 2532.914
cache size : 12288 KB
fpu : yes
fpu_exception : yes
cpuid level : 11
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts mmx fxsr sse sse2 ss syscall nx rdtscp lm constant_tsc up pni cx16 popcnt lahf_lm
bogomips : 5073.37
clflush size : 64
cache_alignment : 64
address sizes : 40 bits physical, 48 bits virtual
power management: