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qemu_features.md

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特性 子特性 支持
内存超分配 透明页面共享
      	|内存气泡	|是	|
      	|页面交换	|是	|
      	|页面压缩	|否	|

CPU QoS |上限 |是 | |预留 |否 | |份额 |是 | 内存 QoS |上限 |是 | |预留 |是 | |份额 |否 | 虚拟机快照 |内存快照 |是 | |无中断内存快照 | | Host |Logical Processors| | |Physical Memory| | |Virtual CPUs per Host| | VM |Virtual CPUs per VM| | |Memory per VM | | |Active VMs per Host| | 热拔插 |CPU |是* | |内存 | | |虚拟硬盘 |是 | |虚拟光驱 |是 | |虚拟软驱 | | |虚拟USB设备 |是 | |虚拟网卡 |是 | 虚拟机操作 |创建 |是 | |启动 |是 | |安全关闭 |是 | |强制停止 |是 | |删除 |是 | |重启 |是 | |休眠 |是 | |唤醒 |是 | |暂停 |是 | |恢复 |是 | |导入 |是 | |导出 |是 | |复制 |是 | 计算资源调度 |动态资源调度(负载均衡)| | |动态电源管理(节能减排)| | |虚拟机互斥 | | |亲和性 | | |虚拟机组与主机组的关联| | 安全 |SELinux访问控制的隔离| | 音频 |回放 |是 | |录音 |是 | 虚拟外设 |USB redir |是 | |PS/2 |是 | |串口 |是 | |并口 | | |光驱 |是 | |Watchdog | | |USB1.0 UHCI | | |USB1.0 OHCI | | |USB2.0 EHCI | | |USB3.0 XHCI | | |TPM | | 主机设备直通 |USB |是 | |网卡 |是 | |光驱 | | |显卡 | | |HBA卡 | | |TPM |是 | |VMDQ | | |SR-IOV |是 | |VFIO | | 内核级设备模拟 |vhost-scsi | | |vhost-net | | |APIC | | |PIT | | 虚拟机迁移 |共享存储热迁移 |是 | |不同版本之间迁移| | |异构CPU的热迁移 | | |无共享存储热迁移|是 | |热迁移压缩 |是 | |基于RDMA |是 | |热迁移加密 |是 | |热迁移限速 |是 | |迁移时去重 |是 | |热迁移自动负载降低|是 | FT(Fault Tolerance)| 单vcpu |NA | |多vcpu |NA | |HA |是 | 虚拟机时钟同步 | | | 虚拟机故障检测 | 是 | | Guest NUMA| |是 | Host NUMA | |是 | Virtual SMP |即支持多个VCPU |是 | Transparent Huge Page| |是 | x2apic | |是 | msi-x | | | posted interrupt| |NA | APIC-v | |NA | PVEOI | |是 | 半虚拟化 | |否 | Inter-VM Share Memory(IVSMEM)| | | ELI | | |