CPU 정보

현재 phisical CPU가 2개 꽂혀있는 걸로 아는데요. dmesg와 cpuinfo를 보면 아래와 같이 나오네요.

일단 펌웨어에서 하이퍼쓰레딩 껏구여,

근데 조기 보면 phisical ID가 왜 둘다 0인거죠?

DB2를 설치하다 DB2에서 CPU가 1개로 인식을 해서, 혹시 진짜 CPU가 하나만 꽂혀있는 것은 아닌지 해서요.

어떤 시스템을 보면 CPU마다 Phisical ID가 틀리던데,

저 Phisical ID가 나타내는건 뭐죠?

[root@LP_SLMS-slmswas root]# dmesg| grep cpu
cpu: 0, clocks: 1327300, slice: 442433
cpu: 1, clocks: 1327300, slice: 442433
Starting migration thread for cpu 0
Starting migration thread for cpu 1
microcode: No suitable data for cpu 0
microcode: No suitable data for cpu 1

[root@LP_SLMS-slmswas root]# dmesg | grep CPU
(R) Xeon(TM) CPU 3.06GHz stepping 09
per-CPU timeslice cutoff: 1463.11 usecs.
enabled ExtINT on CPU#0
Initializing CPU#1
masked ExtINT on CPU#1
CPU: Trace cache: 12K uops, L1 D cache: 8K
CPU: L2 cache: 512K
Intel machine check reporting enabled on CPU#1.
CPU:     After generic, caps: afebfbff 00000000 00000000 00000000
CPU:             Common caps: afebfbff 00000000 00000000 00000000
CPU1: Intel(R) Xeon(TM) CPU 3.06GHz stepping 09
..... CPU clock speed is 3052.7918 MHz.
CPU0<T0:1327296,T1:884848,D:15,S:442433,C:1327300>
CPU1<T0:1327296,T1:442416,D:14,S:442433,C:1327300>

[root@LP_SLMS-slmswas root]# cat /proc/cpuinfo
processor       : 0
vendor_id       : GenuineIntel
cpu family      : 15
model           : 2
model name      : Intel(R) Xeon(TM) CPU 3.06GHz
stepping        : 9
cpu MHz         : 3052.933
cache size      : 512 KB
physical id     : 0
siblings        : 1
runqueue        : 0
fdiv_bug        : no
hlt_bug         : no
f00f_bug        : no
coma_bug        : no
fpu             : yes
fpu_exception   : yes
cpuid level     : 2
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 tm
bogomips        : 6094.84

processor       : 1
vendor_id       : GenuineIntel
cpu family      : 15
model           : 2
model name      : Intel(R) Xeon(TM) CPU 3.06GHz
stepping        : 9
cpu MHz         : 3052.933
cache size      : 512 KB
physical id     : 0
siblings        : 1
runqueue        : 1
fdiv_bug        : no
hlt_bug         : no
f00f_bug        : no
coma_bug        : no
fpu             : yes
fpu_exception   : yes
cpuid level     : 2
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 tm
bogomips        : 6094.84