Linux查看cpu信息命令
1、查看cpu个数：
# cat /proc/cpuinfo | grep 'physical id' | sort -u
2、查看cpu核数：
# cat /proc/cpuinfo | grep 'core id' | sort -u | wc -l
3、查看cpu线程：
# cat /proc/cpuinfo | grep 'processor' | sort -u | wc -l
附：linux查看cpu信息实例
grep "model name" /proc/cpuinfo
[root@localhost ~]# grep "model name" /proc/cpuinfo
model name : Dual-Core AMD Opteron(tm) Processor 2216
[root@localhost ~]# more /proc/cpuinfo
processor : 0
vendor_id : AuthenticAMD
cpu family : 15
model : 65
model name : Dual-Core AMD Opteron(tm) Processor 2216
stepping : 2
cpu MHz : 2412.409
cache size : 1024 KB
physical id : 0
siblings : 2
core id : 0
cpu cores : 2
fpu : yes
fpu_exception : yes
cpuid level : 1
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht sysca
ll nx mmxext lm 3dnowext 3dnow pni cx16 ts fid vid ttp 芬+3
bogomips : 4849.66
TLB size : 1088 4K pages
clflush size : 64
cache_alignment : 64
address sizes : 40 bits physical, 48 bits virtual
power management: ts fid vid ttp [4] [5]
processor : 1
vendor_id : AuthenticAMD
cpu family : 15
model : 65
model name : Dual-Core AMD Opteron(tm) Processor 2216
stepping : 2
cpu MHz : 2412.409
cache size : 1024 KB
physical id : 0
siblings : 2
core id : 1
cpu cores : 2
fpu : yes
fpu_exception : yes
cpuid level : 1
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht sysca
ll nx mmxext lm 3dnowext 3dnow pni cx16 ts fid vid ttp 芬+3
bogomips : 4816.89
TLB size : 1088 4K pages
clflush size : 64
cache_alignment : 64
address sizes : 40 bits physical, 48 bits virtual
power management: ts fid vid ttp [4] [5]
processor : 2
vendor_id : AuthenticAMD
cpu family : 15
model : 65
model name : Dual-Core AMD Opteron(tm) Processor 2216
stepping : 2
cpu MHz : 2412.409
cache size : 1024 KB
physical id : 1
siblings : 2
core id : 2
cpu cores : 2
fpu : yes
fpu_exception : yes
cpuid level : 1
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht sysca
ll nx mmxext lm 3dnowext 3dnow pni cx16 ts fid vid ttp 芬+3
bogomips : 4816.89
TLB size : 1088 4K pages
clflush size : 64
cache_alignment : 64
address sizes : 40 bits physical, 48 bits virtual
power management: ts fid vid ttp [4] [5]
processor : 3
vendor_id : AuthenticAMD
cpu family : 15
model : 65
model name : Dual-Core AMD Opteron(tm) Processor 2216
stepping : 2
cpu MHz : 2412.409
cache size : 1024 KB
physical id : 1
siblings : 2
core id : 3
cpu cores : 2
fpu : yes
fpu_exception : yes
cpuid level : 1
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca mov pat pse36 clflush mmx fxsr sse sse2 ht sysca
ll nx mmxext lm 3dnowext 3dnow pni cx16 ts fid vid ttp 芬+3
bogomips : 4816.89
TLB size : 1088 4K pages
clflush size : 64
cache_alignment : 64
address sizes : 40 bits physical, 48 bits virtual
power management: ts fid vid ttp [4] [5]