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  • 查看CPU是否支持虚拟化

    参考:http://www.cnblogs.com/jankie/archive/2012/07/04/2575695.html

    一、Windows平台:
    使用cpu-Z即可查看。

    二、Linux平台:
    在终端执行#cat /proc/cpuinfo(或#grep -E '(vmx|svm)' /proc/cpuinfo)命令,找到flags部分,如果其中输出有VMX或SVM,即表明支持虚拟化技术。

    三、 Linux显示的flags部分解释:
    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的虚拟化技术VT技术
    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的虚拟化技术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

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  • 原文地址:https://www.cnblogs.com/dirt2/p/5441927.html
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