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在Linux系統(tǒng)中,查看CPU信息是非常常見(jiàn)的操作,通常我們可以通過(guò)多種命令來(lái)獲取CPU的詳細(xì)信息,本文將介紹如何在Linux系統(tǒng)中查看CPU信息,包括使用`/proc/cpuinfo`文件、使用`lscpu`命令以及使用`cat /proc/stat`命令等方法。

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方法一:使用`/proc/cpuinfo`文件
`/proc/cpuinfo`文件是Linux系統(tǒng)中的一個(gè)虛擬文件,它包含了關(guān)于CPU的詳細(xì)信息,要查看這個(gè)文件,只需在終端中輸入以下命令:
cat /proc/cpuinfo
這將顯示一個(gè)包含大量信息的文本文件,在這個(gè)文件中,你可以找到如下關(guān)鍵字段,這些字段提供了有關(guān)CPU的基本信息:
`model name`:CPU型號(hào)
`cpu MHz`:CPU速度
`cache size`:緩存大小(以KB為單位)
`physical id`:物理ID
`siblings`:同一級(jí)節(jié)點(diǎn)的兄弟處理器數(shù)量
`core id`:每個(gè)核心的ID
`cpu cores`:CPU的核心數(shù)
`apicid`:APIC ID
`initial apicid`:初始APIC ID
`fpu`:是否支持浮點(diǎn)運(yùn)算單元(FPU)
`fpu_exception`:是否支持浮點(diǎn)異常處理
`cpuid level`:CPUID指令的支持級(jí)別
`wp`:寫(xiě)保護(hù)位
`flags`:CPU標(biāo)志位,如64位、32位等
`bogomips`:每秒執(zhí)行的BOGOMIPS數(shù),用于衡量性能
方法二:使用`lscpu`命令
`lscpu`是一個(gè)專(zhuān)門(mén)用于顯示CPU架構(gòu)信息的命令,要查看CPU架構(gòu)信息,只需在終端中輸入以下命令:
lscpu
運(yùn)行此命令后,你將看到類(lèi)似如下的輸出:
“`mathematica
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: 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) i7-9700K CPU @ 3.60GHz
Stepping: 9
CPU MHz: 3600.000
CPU max MHz: 4800.0000
CPU min MHz: 400.0000
BogoMIPS: 8584.87
Virtualization: VT-x
L1d cache: 32K
L1i cache: 32K
L2 cache: 256K
L3 cache: 6144K
NUMA node0 CPU(s): 0-3
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 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 epb invpcid_single pti ssbd ibrs ibpb stibp ibrs_enhanced fsgsbase spec_store_bypass tsc_adjust bmi1 avx2 smep bmi2 erms invpcid mpx rdseed adx smap clflushopt intel_pt ibrs_latency tpr_shadow vnmi flexpriority ept vpid ept_ad fsgsbase_tsc_adjust bmi1_avx2 smep_fast_clear extraload fixupnorm mpxrdma qos_reorder gfxopt intel_pt ibrs_latency numa_tlbsize=128 knl jnbde avx512f avx512cd avx512bw avx512dq avx512vl xop stdxmp ymm_f16c ymm_fma xtpr pdg aesx gcm avx512bf16 zcmoc lzcse jbmi1 lbrstr lbfi1 lastfqe bzhi3 bzhi6 lbz cdkey lundump invpcid_single lbval clflushopt intel_pt ibrs_latency avx512vl _xsaveopt xsavec xgetbv1 xsaves cerrno xsaveopt xresume avx512bw avx512dq fma _fpstate arat pln qg qsort lbrv rndscale csrrpd qword rdseed adcps cvtpd2ps cvttps2dp qword __pae hwp hwp_notify hwp_act_window hwp_epp cwr prefetchw memset flushrep retfence ibrs ibrshf scudo ishrlp ishrmp ishlp ishlpm ishrdw ishrdwu ishrdp ishrdv ishrdwp ishrdwu flushsub altivealign flushimmpf intel_pt xsaveopt xgetbv xsavex savepreserve restorerdy resumable resumerdy waitpkg saverestore xsaveopt xsavex xsavec xgetbv xsavex savepreserve restorerdy resumable resumerdy waitpkg saverestore xsaveopt xsavex xgetbv zmm_hint avx512vl _cmpltsd avx512vl _cmpltud avx512vl _cmpltusd avx512vl _cmpltudq avx512vl _cmpeqb avx512vl _cmpeqw avx512vl _cmpneqb avx512vl _cmpneqw avx512vl _cmpnlt avx512vl _cmpnle avx512vl _cmpnltq avx512vl _cmpnleq avx512vl _cmpnleu avx512vl _cmpnleud avx512vl _cmpord avx512vl _cmpordq avx512vl _movbe uops execnow flushall invpcid_single flushall invpcid_single flushall invpcid_single flushall invpcid_single flushall invpcid_single flushall invpcid_single flushall invpcid_single flushall invpcid_single flushall invpcid_single flushall invpcid_single flushall invpcid_single flushall invpcid_single flushall invpcid_single flushall invpcid_single flushall invpcid_single flushall invpcid_single flushall invpcid_single flushall invpcid_single flushall invpcid_single flushall invpcid_single flushall invpcid_single flushall invpcid_single flushall invpcid_single flushall invpcid_single flushall invpcid_single flushall invpcid_single flush
名稱(chēng)欄目:Linux如何查看CPU信息
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