移动云电脑被偷偷减配置了
120年的政企云 本来是8核16g dd linux 要求不关机以后 发现确实不关机了 但是卡了特别多 一看cpu 从8核变成1核了{:2_34:}
root@instance-20231216-1702:/home/dragonfsky# lscpu
架构: x86_64
CPU 运行模式: 32-bit, 64-bit
Address sizes: 48 bits physical, 48 bits virtual
字节序: Little Endian
CPU: 1
在线 CPU 列表: 0
厂商 ID: AuthenticAMD
BIOS 厂商 ID: QEMU
型号名称: AMD EPYC 7542 32-Core Processor
BIOS 型号名称: pc-i440fx-5.0 CPU @ 2.0GHz
BIOS CPU family: 1
CPU 系列: 23
型号: 49
每个核的线程数: 1
每个座的核数: 1
座: 1
步进: 0
BogoMIPS: 5799.99
标记: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mc
a cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall n
x mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid
extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx1
6 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer
aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy
svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osv
w perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase ts
c_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt
clwb sha_ni xsaveopt xsavec xgetbv1 clzero xsaveerptr
wbnoinvd arat npt nrip_save umip rdpid arch_capabilitie
s
Virtualization features:
虚拟化: AMD-V
超管理器厂商: Microsoft
虚拟化类型: 完全
Caches (sum of all):
L1d: 64 KiB (1 instance)
L1i: 64 KiB (1 instance)
L2: 512 KiB (1 instance)
L3: 16 MiB (1 instance)
NUMA:
NUMA 节点: 1
NUMA 节点0 CPU: 0
Vulnerabilities:
Gather data sampling: Not affected
Itlb multihit: Not affected
L1tf: Not affected
Mds: Not affected
Meltdown: Not affected
Mmio stale data: Not affected
Retbleed: Mitigation; untrained return thunk; SMT disabled
Spec rstack overflow: Mitigation; SMT disabled
Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl
Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer
sanitization
Spectre v2: Mitigation; Retpolines, IBPB conditional, STIBP disable
d, RSB filling, PBRSB-eIBRS Not affected
Srbds: Not affected
Tsx async abort: Not affected
root@instance-20231216-1702:/home/dragonfsky# lscpu
架构: x86_64
CPU 运行模式: 32-bit, 64-bit
Address sizes: 48 bits physical, 48 bits virtual
字节序: Little Endian
CPU: 1
在线 CPU 列表: 0
厂商 ID: AuthenticAMD
BIOS 厂商 ID: QEMU
型号名称: AMD EPYC 7542 32-Core Processor
BIOS 型号名称: pc-i440fx-5.0 CPU @ 2.0GHz
BIOS CPU family: 1
CPU 系列: 23
型号: 49
每个核的线程数: 1
每个座的核数: 1
座: 1
步进: 0
BogoMIPS: 5799.99
标记: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mc
a cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall n
x mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid
extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx1
6 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer
aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy
svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osv
w perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase ts
c_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt
clwb sha_ni xsaveopt xsavec xgetbv1 clzero xsaveerptr
wbnoinvd arat npt nrip_save umip rdpid arch_capabilitie
s
Virtualization features:
虚拟化: AMD-V
超管理器厂商: Microsoft
虚拟化类型: 完全
Caches (sum of all):
L1d: 64 KiB (1 instance)
L1i: 64 KiB (1 instance)
L2: 512 KiB (1 instance)
L3: 16 MiB (1 instance)
NUMA:
NUMA 节点: 1
NUMA 节点0 CPU: 0
Vulnerabilities:
Gather data sampling: Not affected
Itlb multihit: Not affected
L1tf: Not affected
Mds: Not affected
Meltdown: Not affected
Mmio stale data: Not affected
Retbleed: Mitigation; untrained return thunk; SMT disabled
Spec rstack overflow: Mitigation; SMT disabled
Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl
Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer
sanitization
Spectre v2: Mitigation; Retpolines, IBPB conditional, STIBP disable
d, RSB filling, PBRSB-eIBRS Not affected
Srbds: Not affected
Tsx async abort: Not affected