linux 查看cpu是否支持虛擬化

一、Windows平臺：

使用cpu-Z即可查看。

二、Linux平臺：

在終端執(zhí)行#cat /proc/cpuinfo(或#grep -E '(vmx|svm)' /proc/cpuinfo)命令，找到flags部分，如果其中輸出有VMX或SVM，即表明支持虛擬化技術(shù)。

三、 Linux顯示的flags部分解釋：

fpu – Onboard FPU

vme – Virtual Mode Extensions

de – Debugging Extensions

pse – Page Size Extensions

tsc – Time Stamp Counter

msr – Model-Specific Registers

pae – Physical Address Extensions

mce – Machine Check Architecture

cx8 – CMPXCHG8 instruction

apic – Onboard APIC

sep – SYSENTER/SYSEXIT

mtrr – Memory Type Range Registers

pge – Page Global Enable

mca – Machine Check Architecture

cmov – CMOV instructions (plus FCMOVcc, FCOMI with FPU)

pat – Page Attribute Table

pse36 – 36-bit PSEs

pn – Processor serial number

clflush – CLFLUSH instruction

dts – Debug Store

acpi – ACPI via MSR

mmx – Multimedia Extensions

fxsr – FXSAVE/FXRSTOR, CR4.OSFXSR

sse – SSE

sse2 – SSE2

ss – CPU self snoop

ht – Hyper-Threading

tm – Automatic clock control

ia64 – IA-64 processor

pbe – Pending Break Enable

syscall – SYSCALL/SYSRET

mp – MP Capable

nx – Execute Disable

mmxext – AMD MMX extensions

fxsr_opt – FXSAVE/FXRSTOR optimizations

pdpe1gb – GB pages

rdtscp – RDTSCP

lm – Long Mode (x86-64)

3dnowext – AMD 3DNow! extensions

3dnow – 3DNow!

k8 – Opteron, Athlon64

k7 – Athlon

constant_tsc – TSC ticks at a constant rate

up – smp kernel running on up

pebs – Precise-Event Based Sampling

bts – Branch Trace Store

nonstop_tsc – TSC does not stop in C states

pni – SSE-3

pclmulqdq – PCLMULQDQ instruction

dtes64 – 64-bit Debug Store

monitor – Monitor/Mwait support

ds_cpl – CPL Qual. Debug Store

vmx – Hardware virtualization //intel的虛擬化技術(shù)VT技術(shù)

smx – Safer mode

est – Enhanced SpeedStep

tm2 – Thermal Monitor 2

ssse3 – Supplemental SSE-3

cid – Context ID

fma – Fused multiply-add

cx16 – CMPXCHG16B

xptr – Send Task Priority Messages

pdcm – Performance Capabilities

dca – Direct Cache Access

sse4_1 – SSE-4.1

sse4_2 – SSE-4.2

x2apic – x2APIC

aes – AES instructions

xsave – XSAVE/XRSTOR/XSETBV/XGETBV

avx – Advanced Vector Extensions

hypervisor – Running on a hypervisor

lahf_lm – LAHF/SAHF in long mode

cmp_legacy – If yes HyperThreading not valid

svm – Secure virtual machine //AMD的虛擬化技術(shù)AMD-V

extapic – Extended APIC space

cr8legacy – CR8 in 32-bit mode

abm – Advanced bit manipulation

sse4a – SSE-4A

ibs – Instruction Based Sampling

sse5 – SSE-5

skinit – SKINIT/STGI instructions

wdt – Watchdog timer

1 樓

doloveme

2012-01-31

Unable to complete install ' internal? 錯誤

是因為selinux的事

vi /etc/systemconfig/selinux

設(shè)置SELINUX=disabled

重啟 就好了

2 樓

doloveme

2012-01-31

為了更好的體驗KVM，更換了系統(tǒng)Fedora14，進(jìn)入系統(tǒng)后使用qemu-kvm命令、virt-manager圖形化界面以及virt-install命令(后兩者依賴libvirt庫)創(chuàng)建虛擬機都沒有問題。

后來我重新編譯安裝了 qemu-kvm(qemu-kvm-0.14.0):

①./configure --prefix=/usr/local/kvm --enable-kvm

②make

③make install

④創(chuàng)建鏈接:

rm -f /usr/bin/qemu-img

rm -f /usr/bin/qemu-io

rm -f /usr/bin/qemu-nbd

rm -f /usr/bin/qemu

rm -f /usr/bin/kvm

rm -f /usr/bin/qemu-kvm

&n

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