linux : cpu 정보

$ lscpu
Architecture:                    x86_64
CPU op-mode(s):                  32-bit, 64-bit
Byte Order:                      Little Endian
Address sizes:                   48 bits physical, 48 bits virtual
CPU(s):                          16
On-line CPU(s) list:             0-15
Thread(s) per core:              2
Core(s) per socket:              8
Socket(s):                       1
Vendor ID:                       AuthenticAMD
CPU family:                      23
Model:                           1
Model name:                      AMD Ryzen 7 1700 Eight-Core Processor
Stepping:                        1
CPU MHz:                         2994.384
BogoMIPS:                        5988.76
Hypervisor vendor:               Microsoft
Virtualization type:             full
L1d cache:                       256 KiB
L1i cache:                       512 KiB
L2 cache:                        4 MiB
L3 cache:                        16 MiB
Vulnerability Itlb multihit:     Not affected
Vulnerability L1tf:              Not affected
Vulnerability Mds:               Not affected
Vulnerability Meltdown:          Not affected
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; Full AMD retpoline, IBPB conditional, STIBP disabled, RSB filling
Vulnerability Srbds:             Not affected
Vulnerability Tsx async abort:   Not affected
Flags:                           fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxs
                                 r sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm constant_tsc rep_good nopl t
                                 sc_reliable nonstop_tsc cpuid extd_apicid pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 mo
                                 vbe popcnt aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy cr8_legacy abm sse4a
                                  misalignsse 3dnowprefetch osvw topoext ssbd ibpb vmmcall fsgsbase bmi1 avx2 smep bmi2
                                 rdseed adx smap clflushopt sha_ni xsaveopt xsavec xgetbv1 xsaves clzero xsaveerptr virt
                                 _ssbd arat

linux 장비 cpu 개수 확인할 때는 lscpu 라는 명령어를 사용하면 된다.

https://docs.aws.amazon.com/ko_kr/AWSEC2/latest/UserGuide/view-cpu-options.html

인스턴스의 CPU 옵션 보기 - Amazon Elastic Compute Cloud