linux下查看cpu和内核的个数

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本文详细解析了IBM3550服务器的CPU信息，包括处理器、供应商标识、CPU家族、型号、频率等关键参数，展示了处理器的详细配置，并指出共有8个核心分布在两个CPU上，每个CPU拥有4个内核。

[root@qhtlnx28 ~]#cat /proc/cpuinfo
processor:0
vendor_id:GenuineIntel
cpu family:6
model:15
modelname:Intel(R)Xeon(R)CPU E5310 @ 1.60GHz
stepping:11
cpu MHz:1595.974
cachesize:4096 KB
physical id:0
siblings:4
core id:0
cpu cores:4
fdiv_bug:no
hlt_bug:no
f00f_bug:no
coma_bug:no
fpu:yes
fpu_exception:yes
cpuid level:10
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 sse2ssht tm pbe nx lm pni monitor ds_cpl tm2 xtpr
bogomips:3194.02

processor:1
vendor_id:GenuineIntel
cpu family:6
model:15
modelname:Intel(R)Xeon(R)CPU E5310 @ 1.60GHz
stepping:11
cpu MHz:1595.974
cachesize:4096 KB
physical id:0
siblings:4
core id:1
cpu cores:4
fdiv_bug:no
hlt_bug:no
f00f_bug:no
coma_bug:no
fpu:yes
fpu_exception:yes
cpuid level:10
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 sse2ssht tm pbe nx lm pni monitor ds_cpl tm2 xtpr
bogomips:3191.88

processor:2
vendor_id:GenuineIntel
cpu family:6
model:15
modelname:Intel(R)Xeon(R)CPU E5310 @ 1.60GHz
stepping:11
cpu MHz:1595.974
cachesize:4096 KB
physical id:0
siblings:4
core id:2
cpu cores:4
fdiv_bug:no
hlt_bug:no
f00f_bug:no
coma_bug:no
fpu:yes
fpu_exception:yes
cpuid level:10
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 sse2ssht tm pbe nx lm pni monitor ds_cpl tm2 xtpr
bogomips:3191.96

processor:3
vendor_id:GenuineIntel
cpu family:6
model:15
modelname:Intel(R)Xeon(R)CPU E5310 @ 1.60GHz
stepping:11
cpu MHz:1595.974
cachesize:4096 KB
physical id:0
siblings:4
core id:3
cpu cores:4
fdiv_bug:no
hlt_bug:no
f00f_bug:no
coma_bug:no
fpu:yes
fpu_exception:yes
cpuid level:10
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 sse2ssht tm pbe nx lm pni monitor ds_cpl tm2 xtpr
bogomips:3191.93

processor:4
vendor_id:GenuineIntel
cpu family:6
model:15
modelname:Intel(R)Xeon(R)CPU E5310 @ 1.60GHz
stepping:11
cpu MHz:1595.974
cachesize:4096 KB
physical id:1
siblings:4
core id:4
cpu cores:4
fdiv_bug:no
hlt_bug:no
f00f_bug:no
coma_bug:no
fpu:yes
fpu_exception:yes
cpuid level:10
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 sse2ssht tm pbe nx lm pni monitor ds_cpl tm2 xtpr
bogomips:3191.99

processor:5
vendor_id:GenuineIntel
cpu family:6
model:15
modelname:Intel(R)Xeon(R)CPU E5310 @ 1.60GHz
stepping:11
cpu MHz:1595.974
cachesize:4096 KB
physical id:1
siblings:4
core id:5
cpu cores:4
fdiv_bug:no
hlt_bug:no
f00f_bug:no
coma_bug:no
fpu:yes
fpu_exception:yes
cpuid level:10
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 sse2ssht tm pbe nx lm pni monitor ds_cpl tm2 xtpr
bogomips:3191.90

processor:6
vendor_id:GenuineIntel
cpu family:6
model:15
modelname:Intel(R)Xeon(R)CPU E5310 @ 1.60GHz
stepping:11
cpu MHz:1595.974
cachesize:4096 KB
physical id:1
siblings:4
core id:6
cpu cores:4
fdiv_bug:no
hlt_bug:no
f00f_bug:no
coma_bug:no
fpu:yes
fpu_exception:yes
cpuid level:10
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 sse2ssht tm pbe nx lm pni monitor ds_cpl tm2 xtpr
bogomips:3191.96

processor:7
vendor_id:GenuineIntel
cpu family:6
model:15
modelname:Intel(R)Xeon(R)CPU E5310 @ 1.60GHz
stepping:11
cpu MHz:1595.974
cachesize:4096 KB
physical id:1
siblings:4
core id:7
cpu cores:4
fdiv_bug:no
hlt_bug:no
f00f_bug:no
coma_bug:no
fpu:yes
fpu_exception:yes
cpuid level:10
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 sse2ssht tm pbe nx lm pni monitor ds_cpl tm2 xtpr
bogomips:3192.00

以上就是我的cpu的信息

哈哈，这里说明一下，这是IBM 3550的cpu信息。
通过上面信息我们可以知道，有8个核。从processor 0 到processor 7可以看出来。
有两个cpu，从

physical id: 0

和

physical id: 1

可以看出有两个cpu。
从

cpu cores: 4

可以看出每个cpu有四个内核

转自：

http://space.itpub.net/12035968/viewspace-578116