tool = ""
 xenstored = ""
local = ""
 domain = ""
  0 = ""
   control = ""
    feature-poweroff = "1"
    feature-reboot = "1"
    feature-suspend = "1"
   domid = "0"
   name = "Domain-0"
   device-model = ""
    0 = ""
     backends = ""
      console = ""
      vkbd = ""
      qdisk = ""
      9pfs = ""
      qusb = ""
      vfb = ""
      qnic = ""
     state = "running"
    38 = ""
     backends = ""
      console = ""
      vkbd = ""
      9pfs = ""
      qusb = ""
     state = "running"
   device = ""
    vbd = ""
     51712 = ""
      backend = "/local/domain/0/backend/qdisk/0/51712"
      backend-id = "0"
      state = "3"
      virtual-device = "51712"
      device-type = "disk"
      protocol = "x86_64-abi"
      ring-ref = "8"
      event-channel = "76"
      feature-persistent = "1"
   backend = ""
    qdisk = ""
     0 = ""
      51712 = ""
       frontend = "/local/domain/0/device/vbd/51712"
       params = "qcow2:centos.qcow2"
       frontend-id = "0"
       online = "1"
       removable = "0"
       bootable = "1"
       state = "2"
       dev = "xvda"
       type = "qdisk"
       mode = "w"
       device-type = "disk"
       discard-enable = "1"
       feature-flush-cache = "1"
       info = "0"
       max-ring-page-order = "4"
       feature-discard = "1"
       hotplug-status = "connected"
     38 = ""
      51712 = ""
       frontend = "/local/domain/38/device/vbd/51712"
       params = "qcow2:/home/nervalusr/chao/centos.qcow2"
       frontend-id = "38"
       online = "1"
       removable = "0"
       bootable = "1"
       state = "4"
       dev = "xvda"
       type = "qdisk"
       mode = "w"
       device-type = "disk"
       discard-enable = "1"
       feature-discard = "1"
       discard-granularity = "512"
       feature-flush-cache = "1"
       max-ring-page-order = "4"
       info = "0"
       sector-size = "512"
       sectors = "62914560"
       hotplug-status = "connected"
    console = ""
     38 = ""
      0 = ""
       frontend = "/local/domain/38/console"
       frontend-id = "38"
       online = "1"
       state = "1"
       protocol = "vt100"
    vkbd = ""
     38 = ""
      0 = ""
       frontend = "/local/domain/38/device/vkbd/0"
       frontend-id = "38"
       online = "1"
       state = "4"
       backend-type = "qemu"
       feature-abs-pointer = "1"
       feature-raw-pointer = "1"
       hotplug-status = "connected"
    vif = ""
     38 = ""
      0 = ""
       frontend = "/local/domain/38/device/vif/0"
       frontend-id = "38"
       online = "1"
       state = "4"
       script = "/etc/xen/scripts/vif-bridge"
       mac = "22:16:3e:00:9f:a7"
       bridge = "xenbr0"
       handle = "0"
       type = "vif_ioemu"
       feature-sg = "1"
       feature-gso-tcpv4 = "1"
       feature-gso-tcpv6 = "1"
       feature-ipv6-csum-offload = "1"
       feature-rx-copy = "1"
       feature-rx-flip = "0"
       feature-multicast-control = "1"
       feature-dynamic-multicast-control = "1"
       feature-split-event-channels = "1"
       multi-queue-max-queues = "4"
       feature-ctrl-ring = "1"
       hotplug-status = "connected"
  38 = ""
   vm = "/vm/9a6857f8-05a0-4c8d-92c3-1ea04bc28c32"
   name = "guest_centos7"
   cpu = ""
    0 = ""
     availability = "online"
    1 = ""
     availability = "online"
    2 = ""
     availability = "online"
    3 = ""
     availability = "online"
   memory = ""
    static-max = "16777216"
    target = "16760832"
    videoram = "16384"
   device = ""
    suspend = ""
     event-channel = ""
    vbd = ""
     51712 = ""
      backend = "/local/domain/0/backend/qdisk/38/51712"
      backend-id = "0"
      state = "4"
      virtual-device = "51712"
      device-type = "disk"
      ring-ref = "2312"
      event-channel = "45"
      protocol = "x86_64-abi"
      feature-persistent = "1"
    vkbd = ""
     0 = ""
      backend = "/local/domain/0/backend/vkbd/38/0"
      backend-id = "0"
      state = "4"
      request-abs-pointer = "1"
      page-ref = "222612"
      page-gref = "343"
      event-channel = "46"
    vif = ""
     0 = ""
      backend = "/local/domain/0/backend/vif/38/0"
      backend-id = "0"
      state = "4"
      handle = "0"
      mac = "22:16:3e:00:9f:a7"
      multi-queue-num-queues = "4"
      queue-0 = ""
       tx-ring-ref = "2304"
       rx-ring-ref = "2305"
       event-channel-tx = "37"
       event-channel-rx = "38"
      queue-1 = ""
       tx-ring-ref = "2306"
       rx-ring-ref = "2307"
       event-channel-tx = "39"
       event-channel-rx = "40"
      queue-2 = ""
       tx-ring-ref = "2308"
       rx-ring-ref = "2309"
       event-channel-tx = "41"
       event-channel-rx = "42"
      queue-3 = ""
       tx-ring-ref = "2310"
       rx-ring-ref = "2311"
       event-channel-tx = "43"
       event-channel-rx = "44"
      request-rx-copy = "1"
      feature-rx-notify = "1"
      feature-sg = "1"
      feature-gso-tcpv4 = "1"
      feature-gso-tcpv6 = "1"
      feature-ipv6-csum-offload = "1"
   control = ""
    shutdown = ""
    feature-poweroff = ""
    feature-reboot = ""
    feature-suspend = ""
    feature-s3 = ""
    feature-s4 = ""
    sysrq = ""
    platform-feature-multiprocessor-suspend = "1"
    platform-feature-xs_reset_watches = "1"
   hvmloader = ""
    bios = "seabios"
    allow-memory-relocate = "0"
   data = ""
   drivers = ""
   feature = ""
   attr = ""
   domid = "38"
   store = ""
    port = "1"
    ring-ref = "1044476"
   platform = ""
    acpi = "1"
    acpi_s3 = "1"
    acpi_s4 = "1"
    acpi_laptop_slate = "0"
    device-model = "qemu_xen"
   console = ""
    backend = "/local/domain/0/backend/console/38/0"
    backend-id = "0"
    limit = "1048576"
    type = "xenconsoled"
    output = "pty"
    tty = "/dev/pts/3"
    port = "2"
    ring-ref = "1044479"
    vnc-listen = "127.0.0.1"
    vnc-port = "5900"
   image = ""
    device-model-pid = "8783"
   serial = ""
    0 = ""
     tty = "/dev/pts/4"
vm = ""
 9a6857f8-05a0-4c8d-92c3-1ea04bc28c32 = ""
  name = "guest_centos7"
  uuid = "9a6857f8-05a0-4c8d-92c3-1ea04bc28c32"
  rtc = ""
   timeoffset = ""
  image = ""
   ostype = "hvm"
  start_time = "1561550310.23"
libxl = ""
 pciback = ""
  0000-88-00-0 = ""
   driver_path = "/sys/bus/pci/drivers/intel_nnp"
 0 = ""
  device = ""
   vbd = ""
    51712 = ""
     frontend = "/local/domain/0/device/vbd/51712"
     backend = "/local/domain/0/backend/qdisk/0/51712"
     params = "qcow2:centos.qcow2"
     frontend-id = "0"
     online = "1"
     removable = "0"
     bootable = "1"
     state = "1"
     dev = "xvda"
     type = "qdisk"
     mode = "w"
     device-type = "disk"
     discard-enable = "1"
 38 = ""
  device = ""
   vbd = ""
    51712 = ""
     frontend = "/local/domain/38/device/vbd/51712"
     backend = "/local/domain/0/backend/qdisk/38/51712"
     params = "qcow2:/home/nervalusr/chao/centos.qcow2"
     frontend-id = "38"
     online = "1"
     removable = "0"
     bootable = "1"
     state = "1"
     dev = "xvda"
     type = "qdisk"
     mode = "w"
     device-type = "disk"
     discard-enable = "1"
   console = ""
    0 = ""
     frontend = "/local/domain/38/console"
     backend = "/local/domain/0/backend/console/38/0"
     frontend-id = "38"
     online = "1"
     state = "1"
     protocol = "vt100"
   vkbd = ""
    0 = ""
     frontend = "/local/domain/38/device/vkbd/0"
     backend = "/local/domain/0/backend/vkbd/38/0"
     frontend-id = "38"
     online = "1"
     state = "1"
     backend-type = "qemu"
   vif = ""
    0 = ""
     frontend = "/local/domain/38/device/vif/0"
     backend = "/local/domain/0/backend/vif/38/0"
     frontend-id = "38"
     online = "1"
     state = "1"
     script = "/etc/xen/scripts/vif-bridge"
     mac = "22:16:3e:00:9f:a7"
     bridge = "xenbr0"
     handle = "0"
     type = "vif_ioemu"
  type = "hvm"
  dm-version = "qemu_xen"