# 查看物理CPU个数

cat /proc/cpuinfo| grep "physical id"| sort| uniq| wc -l

# 查看每个物理CPU中core的个数(即核数)

cat /proc/cpuinfo| grep "cpu cores"| uniq

# 查看逻辑CPU的个数

c

 查看CPU信息（型号）

cat /proc/cpuinfo | grep name | cut -f2 -d: | uniq -c

# 查看cpu个数、频率、型号、厂商等详细信息

' cat /proc/cpuinfo '    ' lscpu '

# 获取cpu名称与主频

cat /proc/cpuinfo | grep 'model name'  | cut -f2 -d: | head -n1 | sed 's/^ //'

# 获取逻辑核数

cat /proc/cpuinfo | grep 'model name'  | wc -l

# 获取物理核数

cat /proc/cpuinfo | grep 'physical id' | sort | uniq | wc -l

# 查看cpu的flags

cat /proc/cpuinfo | grep flags | uniq | cut -f2 -d : | sed 's/^ //'

# 是否打开超线程（检查 physical id * cpu cores 与 processor的比例 :1为未开启）

cat /proc/cpuinfo 
#查看CPU的线程数
grep "processor" /proc/cpuinfo | sort -u | wc -l

[root@localhost ~]# cat /proc/cpuinfo

processor    :

vendor_id    : GenuineIntel

cpu family    :

model    :

model name    : Intel(R) Core(TM) i5-6200U CPU @ .30GHz

stepping    :

microcode    : 0xc6

cpu MHz    : 2400.004

cache size    :  KB

physical id    :

siblings    :

core id    :

cpu cores    :

apicid    :

initial apicid    :

fpu    : yes

fpu_exception    : yes

cpuid level    :

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 ss syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon nopl xtopology tsc_reliable nonstop_tsc eagerfpu pni pclmulqdq ssse3 fma cx16 pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm abm 3dnowprefetch ssbd ibrs ibpb stibp fsgsbase tsc_adjust bmi1 avx2 smep bmi2 invpcid mpx rdseed adx smap clflushopt xsaveopt xsavec arat spec_ctrl intel_stibp flush_l1d arch_capabilities

bogomips    : 4800.00

clflush size    :

cache_alignment    :

address sizes    :  bits physical,  bits virtual

power management: