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服務器原來是1個8核的CPU,更換成2個6核的CPU,重新開機后,發現CPU顯示的核數還是原來CPU核數的信息,但是型號確實是新CPU的型號。
[root@enskyrac1 ~]# cat /proc/cpuinfo | grep processor
processor : 0
processor : 1
processor : 2
processor : 3
processor : 4
processor : 5
processor : 6
processor : 7
[root@enskyrac1 ~]# cat /proc/cpuinfo | grep physical
physical id : 0
address sizes : 40 bits physical, 48 bits virtual
physical id : 32
address sizes : 40 bits physical, 48 bits virtual
physical id : 16
address sizes : 40 bits physical, 48 bits virtual
physical id : 48
address sizes : 40 bits physical, 48 bits virtual
physical id : 4
address sizes : 40 bits physical, 48 bits virtual
physical id : 36
address sizes : 40 bits physical, 48 bits virtual
physical id : 20
address sizes : 40 bits physical, 48 bits virtual
physical id : 52
address sizes : 40 bits physical, 48 bits virtual
[root@enskyrac1 ~]# dmidecode -t processor
# dmidecode 2.9
SMBIOS 2.7 present.
Handle 0x0400, DMI type 4, 42 bytes
Processor Information
Socket Designation: Proc 1
Type: Central Processor
Family: Xeon
Manufacturer: Intel
ID: C2 06 02 00 FF FB EB BF
Signature: Type 0, Family 6, Model 44, Stepping 2
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 (Fast floating-point save and restore)
SSE (Streaming SIMD extensions)
SSE2 (Streaming SIMD extensions 2)
SS (Self-snoop)
HTT (Hyper-threading technology)
TM (Thermal monitor supported)
PBE (Pending break enabled)
Version: Intel(R) Xeon(R) CPU X5660 @ 2.80GHz
Voltage: 1.4 V
External Clock: 133 MHz
Max Speed: 4800 MHz
Current Speed: 2800 MHz
Status: Populated, Enabled
Upgrade: <OUT OF SPEC>
L1 Cache Handle: 0x0710
L2 Cache Handle: 0x0720
L3 Cache Handle: 0x0730
Serial Number: Not Specified
Asset Tag: Not Specified
Part Number: Not Specified
Core Count: 6
Core Enabled: 6
Thread Count: 12
Characteristics:
64-bit capable
Handle 0x0406, DMI type 4, 42 bytes
Processor Information
Socket Designation: Proc 2
Type: Central Processor
Family: Xeon
Manufacturer: Intel
ID: C2 06 02 00 FF FB EB BF
Signature: Type 0, Family 6, Model 44, Stepping 2
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 (Fast floating-point save and restore)
SSE (Streaming SIMD extensions)
SSE2 (Streaming SIMD extensions 2)
SS (Self-snoop)
HTT (Hyper-threading technology)
TM (Thermal monitor supported)
PBE (Pending break enabled)
Version: Intel(R) Xeon(R) CPU X5660 @ 2.80GHz
Voltage: 1.4 V
External Clock: 133 MHz
Max Speed: 4800 MHz
Current Speed: 2800 MHz
Status: Populated, Idle
Upgrade: <OUT OF SPEC>
L1 Cache Handle: 0x0716
L2 Cache Handle: 0x0726
L3 Cache Handle: 0x0736
Serial Number: Not Specified
Asset Tag: Not Specified
Part Number: Not Specified
Core Count: 6
Core Enabled: 6
Thread Count: 12
Characteristics:
64-bit capable |
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