在RHEL(RedHat Enterprise Linux)中，如何查看CPU的数量和型号，频率等信息？
在RHEL 5.x/6.x/7.x如何查看服务器配置，包括CPU数量等？

在Red Hat Enterprise Linux(RHEL)上查看CPU信息

查看cpu信息：

lscpu

输出示例：

Architecture:        x86_64
CPU op-mode(s):      32-bit, 64-bit
Byte Order:          Little Endian
CPU(s):              16
On-line CPU(s) list: 0-15
Thread(s) per core:  2
Core(s) per socket:  8
Socket(s):           1
NUMA node(s):        1
Vendor ID:           AuthenticAMD
CPU family:          23
Model:               1
Model name:          AMD Ryzen 7 1700 Eight-Core Processor
Stepping:            1
CPU MHz:             1546.617
CPU max MHz:         3000.0000
CPU min MHz:         1550.0000
BogoMIPS:            5988.15
Virtualization:      AMD-V
L1d cache:           32K
L1i cache:           64K
L2 cache:            512K
L3 cache:            8192K
NUMA node0 CPU(s):   0-15
Flags:               fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm constant_tsc rep_good nopl nonstop_tsc cpuid extd_apicid aperfmperf pni pclmulqdq monitor ssse3 fma cx16 sse4_1 sse4_2 movbe popcnt aes xsave avx f16c rdrand lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw skinit wdt tce topoext perfctr_core perfctr_nb bpext perfctr_llc mwaitx cpb hw_pstate sme ssbd sev ibpb vmmcall fsgsbase bmi1 avx2 smep bmi2 rdseed adx smap clflushopt sha_ni xsaveopt xsavec xgetbv1 xsaves clzero irperf xsaveerptr arat npt lbrv svm_lock nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold avic v_vmsave_vmload vgif overflow_recov succor smca

使用/proc/cpuinfo查看CPU信息

cat /proc/cpuinfo

RHEL Linux查看CPU数量

查看Linux服务器有多少个CPU

grep physical.id /proc/cpuinfo | sort -u | wc -l

查看CPU的内核数：

grep cpu.cores /proc/cpuinfo | sort -u

Linux查看逻辑CPU的数量：

grep processor /proc/cpuinfo | wc -l

使用dmidecode命令查看CPU的参数：

sudo dmidecode -t4

如何查看Linux服务器的CPU插槽数？

在RHEL中确定服务器上的CPU插槽数：

grep physical.id /proc/cpuinfo | sort -u | wc -l

或使用lscpu命令：

lscpu | grep -i "socket(s)"