kvm启动参数[root@node124 opt]# ps aux | grep kvm
root 1049 0.0 0.0 0 0 ? S 22:02 0:00 [kvm-irqfd-clean]
qemu 3464 16.1 18.8 1820140 360344 ? Sl 22:50 6:36 /usr/libexec/qemu-kvm-name CentOS-6.7-x86_64 -S -M rhel6.6.0 -enable-kvm -m 512 -realtime mlock=off-smp 1,sockets=1,cores=1,threads=1 -uuid 326e3810-fd4d-5012-f6f7-cff369870ccd-nodefconfig -nodefaults -chardevsocket,id=charmonitor,path=/var/lib/libvirt/qemu/CentOS-6.7-x86_64.monitor,server,nowait-mon chardev=charmonitor,id=monitor,mode=control -rtc base=utc -no-shutdown-device ich9-usb-ehci1,id=usb,bus=pci.0,addr=0x4.0x7 -device ich9-usb-uhci1,masterbus=usb.0,firstport=0,bus=pci.0,multifunction=on,addr=0x4-device ich9-usb-uhci2,masterbus=usb.0,firstport=2,bus=pci.0,addr=0x4.0x1-device ich9-usb-uhci3,masterbus=usb.0,firstport=4,bus=pci.0,addr=0x4.0x2-drive file=/opt/CentOS-6.7_x86_64.raw,if=none,id=drive-virtio-disk0,format=raw,cache=none -devicevirtio-blk-pci,scsi=off,bus=pci.0,addr=0x5,drive=drive-virtio-disk0,id=virtio-disk0,bootindex=1 -driveif=none,media=cdrom,id=drive-ide0-1-0,readonly=on,format=raw -deviceide-drive,bus=ide.1,unit=0,drive=drive-ide0-1-0,id=ide0-1-0 -netdevtap,fd=22,id=hostnet0,vhost=on,vhostfd=23 -devicevirtio-net-pci,netdev=hostnet0,id=net0,mac=52:54:00:37:e2:fa,bus=pci.0,addr=0x3-chardev pty,id=charserial0 -device isa-serial,chardev=charserial0,id=serial0-device usb-tablet,id=input0 -vnc 0.0.0.0:0 -vga cirrus -devicevirtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x6 -msg timestamp=on
