linux怎么查看电脑cpu信息

linux怎么查看电脑cpu信息详细介绍

在 Linux 系统里，你可以运用以下几种命令查看电脑 CPU 信息：

1.
lscpu 命令

lscpu 命令能够显示 CPU 的详细信息，像架构、CPU 数量、线程数、频率等。在终端中输入以下命令即可查看：
bash

lscpu

输出示例：
plaintext

Architecture:                    x86_64

CPU op-mode(s): 32-bit, 64-bit
Byte Order: Little Endian
Address sizes: 39 bits physical, 48 bits virtual
CPU(s): 8
On-line CPU(s) list: 0-7
Thread(s) per core: 2
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) i7-8700K CPU @ 3.70GHz
Stepping: 10
CPU MHz: 800.000
CPU max MHz: 4700.0000
CPU min MHz: 800.0000
BogoMIPS: 7400.00
Virtualization: VT-x
L1d cache: 128 KiB
L1i cache: 128 KiB
L2 cache: 1 MiB
L3 cache: 12 MiB
NUMA node0 CPU(s): 0-7
Vulnerability Itlb multihit: KVM: Mitigation: VMX unsupported
Vulnerability L1tf: Mitigation; PTE Inversion; VMX conditional cache flushes, SMT vulnerable
Vulnerability Mds: Mitigation; Clear CPU buffers; SMT vulnerable
Vulnerability Meltdown: Mitigation; PTI
Vulnerability Mmio stale data: Mitigation; Clear CPU buffers; SMT vulnerable
Vulnerability Retbleed: Mitigation; IBRS
Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp
Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization
Vulnerability Spectre v2: Mitigation; IBRS, IBPB conditional, RSB filling
Vulnerability Srbds: Mitigation; Microcode
Vulnerability Tsx async abort: Mitigation; Clear CPU buffers; SMT vulnerable
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 art arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx 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 hle avx2 smep bmi2 erms invpcid rtm mpx rdseed adx smap clflushopt intel_pt xsaveopt xsavec xgetbv1 xsaves dtherm ida arat pln pts hwp hwp_notify hwp_act_window hwp_epp md_clear flush_l1d

2.
cat /proc/cpuinfo 命令

/proc/cpuinfo 是一个虚拟文件，其中包含了 CPU 的详细信息。你可以通过以下命令查看该文件的内容：
bash

 /proc/cpuinfo

输出示例：
plaintext

processor       : 0

vendor_id : GenuineIntel
cpu family : 6
model : 158
model name : Intel(R) Core(TM) i7-8700K CPU @ 3.70GHz
stepping : 10
microcode : 0xea
cpu MHz : 800.000
cache size : 12288 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 art arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx 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 hle avx2 smep bmi2 erms invpcid rtm mpx rdseed adx smap clflushopt intel_pt 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 taa itlb_multihit mmio_stale_data
bogomips : 7400.00
clflush size : 64
cache_alignment : 64
address sizes : 39 bits physical, 48 bits virtual
power management:

3.
dmidecode -t processor 命令

dmidecode 命令可用于获取系统的硬件信息，-t processor 选项专门用于获取 CPU 信息。不过，执行此命令需要 root 权限，你可以使用以下命令：
bash

 dmidecode  processor

输出示例：
plaintext

# dmidecode 3.2

Getting SMBIOS data from sysfs.
SMBIOS 3.1.1 present.

Handle 0x0004, DMI type 4, 48 bytes
Processor Information
 Socket Designation: CPU1
 Type: Central Processor
 Family: Core i7
 Manufacturer: Intel(R) Corporation
 ID: D5 06 04 00 FF FB EB BF
 Signature: Type 0, Family 6, Model 158, Stepping 10
 Flags:
 FPU (Floating-point unit on-chip)
 VME (Virtual mode extension)
 DE (Debugging extension)
 PSE (Page size extension)
 TSC (Time stamp counter)
 MSR (Model specific registers)
 PAE (Physical address extension)
 MCE (Machine check exception)
 CX8 (CMPXCHG8 instruction supported)
 APIC (On-chip APIC hardware supported)
 SEP (Fast system call)
 MTRR (Memory type range registers)
 PGE (Page global enable)
 MCA (Machine check architecture)
 CMOV (Conditional move instruction supported)
 PAT (Page attribute table)
 PSE-36 (36-bit page size extension)
 CLFSH (CLFLUSH instruction supported)
 DS (Debug store)
 ACPI (ACPI supported)
 MMX (MMX technology supported)
 FXSR (FXSAVE and FXSTOR instructions supported)
 SSE (Streaming SIMD extensions)
 SSE2 (Streaming SIMD extensions 2)
 SS (Self-snoop)
 HTT (Multi-threading)
 TM (Thermal monitor supported)
 PBE (Pending break enabled)
 Version: Intel(R) Core(TM) i7-8700K CPU @ 3.70GHz
 Voltage: 1.8 V
 External Clock: 100 MHz
 Max Speed: 4700 MHz
 Current Speed: 3700 MHz
 Status: Populated, Enabled
 Upgrade: Socket LGA1151
 L1 Cache Handle: 0x0005
 L2 Cache Handle: 0x0006
 L3 Cache Handle: 0x0007
 Serial Number: Not Specified
 Asset Tag: Not Specified
 Part Number: Not Specified
 Core Count: 4
 Core Enabled: 4
 Thread Count: 8
 Characteristics:
 64-bit capable
 Multi-core
 Hardware Thread
 Execute Protection
 Enhanced Virtualization
 Power/Performance Control

9965# dmidecode 3.2

以上这些命令各有特点，你可以根据自己的需求选择合适的命令来查看 CPU 信息。