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如何查看cpu是否支持虚拟化
一、Windows平台：
用户需要查看的也就是截图中的Hardware Virtualization选项。前面3种情况很简单：
二、Linux平台：
复制代码代码示例:
cat /proc/cpuinfo | grep vmx ##(for Intel CPU)
or cat /proc/cpuinfo | grep svm ##（for AMD CPU）
三、Linux显示的flags部分解释：
fpu – Onboard FPU
(责任编辑：IT)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 |
