在CentOS系統中,你可以使用以下幾種方法來檢查CPU信息:
lscpu命令lscpu命令可以顯示CPU架構的信息。
lscpu
輸出示例:
Architecture: x86_64
CPU op-mode(s): 32-bit, 64-bit
Byte Order: Little Endian
CPU(s): 4
On-line CPU(s) list: 0-3
Thread(s) per core: 1
Core(s) per socket: 4
Socket(s): 1
NUMA node(s): 1
Vendor ID: GenuineIntel
CPU family: 6
Model: 158
Model name: Intel(R) Core(TM) i7-7700HQ CPU @ 2.80GHz
Stepping: 9
CPU MHz: 2800.000
BogoMIPS: 5600.00
Virtualization: VT-x
L1d cache: 32K
L1i cache: 32K
L2 cache: 256K
L3 cache: 6144K
NUMA node0 CPU(s): 0-3
/proc/cpuinfo文件/proc/cpuinfo文件包含了詳細的CPU信息。
cat /proc/cpuinfo
輸出示例:
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 158
model name : Intel(R) Core(TM) i7-7700HQ CPU @ 2.80GHz
stepping : 9
cpu MHz : 2800.000
cache size : 6144 KB
physical id : 0
siblings : 8
core id : 0
cpu cores : 4
apicid : 0
initial apicid : 0
fpu : yes
fpu_exception : yes
cpuid level : 22
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 pbe syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch cpuid_fault epb invpcid_single pti ssbd ibrs ibpb stibp tpr_shadow vnmi flexpriority ept vpid fsgsbase tsc_adjust bmi1 avx2 smep bmi2 erms invpcid mpx rdseed adx smap clflushopt xsaveopt xsavec xgetbv1 xsaves dtherm ida arat pln pts hwp hwp_notify hwp_act_window hwp_epp md_clear flush_l1d
bugs : cpu_meltdown spectre_v1 spectre_v2 spec_store_bypass l1tf mds swapgs itlb_multihit
bogomips : 5600.00
clflush size : 64
cache_alignment : 64
address sizes : 39 bits physical, 48 bits virtual
power management:
dmidecode命令dmidecode是一個用于顯示硬件系統部件信息的工具。
sudo dmidecode -t processor
輸出示例:
Handle 0x001C, DMI type 4, 42 bytes
Processor Information
Socket Designation: CPU1
Type: Central Processor
Family: Core i7
Manufacturer: Intel Corporation
ID: AEBF0695 00000000 00000000 00000000
Version: Intel(R) Core(TM) i7-7700HQ CPU @ 2.80GHz
Voltage: 1.2 V
External Clock: 100 MHz
Max Speed: 3800 MHz
Current Speed: 2800 MHz
Status: Populated, Enabled
Upgrade: Other
L1 Cache Handle: 0x001D
L2 Cache Handle: 0x001E
L3 Cache Handle: 0x001F
top或htop命令top和htop命令可以實時顯示系統資源的使用情況,包括CPU信息。
top
或
htop
在top或htop界面中,你可以看到CPU的使用率、頻率等信息。
通過以上幾種方法,你可以全面了解CentOS系統中CPU的詳細信息。