※ 벤더 CPU는 HOST 장비에 따라가지만 model name 은 변경이 가능하나 이런 설정이 VM 성능과 기능에 어떤 영향을 주는지는 ???
-cpu cpu select CPU (-cpu ? for list)
qemu version 1.2.2
# qemu -cpu ?
x86 Opteron_G4
x86 Opteron_G3
x86 Opteron_G2
x86 Opteron_G1
x86 SandyBridge
x86 Westmere
x86 Nehalem
x86 Penryn
x86 Conroe
x86 [n270]
x86 [athlon]
x86 [pentium3]
x86 [pentium2]
x86 [pentium]
x86 [486]
x86 [coreduo]
x86 [kvm32]
x86 [qemu32]
x86 [kvm64]
x86 [core2duo]
x86 [phenom]
x86 [qemu64]
qemu version 0.14
# qemu -cpu ?
x86 Opteron_G3
x86 Opteron_G2
x86 Opteron_G1
x86 Nehalem
x86 Penryn
x86 Conroe
x86 [n270]
x86 [athlon]
x86 [pentium3]
x86 [pentium2]
x86 [pentium]
x86 [486]
x86 [coreduo]
x86 [kvm32]
x86 [qemu32]
x86 [kvm64]
x86 [core2duo]
x86 [phenom]
x86 [qemu64]
x86 [host]
ex)
HOST CPU
vendor_id : AuthenticAMD
model name : AMD Opteron(TM) Processor 6274
stepping : 2
microcode : 0x6000629
cpu MHz : 1400.000
cache size : 2048 KB
VM
default (옵션없이 사용했을 경우)
vendor_id : AuthenticAMD
model name : QEMU Virtual CPU version 1.2.2
stepping : 3
cpu MHz : 2199.998
cache size : 512 KB
-cpu Opteron_G4
vendor_id : AuthenticAMD
model name : AMD Opteron 62xx class CPU
stepping : 2
cpu MHz : 2199.998
cache size : 512 KB
-cpu SandyBridge
vendor_id : AuthenticAMD
model name : Intel Xeon E312xx (Sandy Bridge)
stepping : 1
cpu MHz : 2199.998
cache size : 512 KB
