第 14 章 虚拟化工具

以下是在运行 Xen 的系统中有用的虚拟化管理工具和调试及联网工具。

系统管理工具

• vmstat

• iostat

• lsof

  # lsof -i :5900
  xen-vncfb 10635  root  5u  IPv4 218738  TCP grumble.boston.redhat.com:5900 (LISTEN)

• qemu-img

高级调试工具

• systemTap

• crash

• xen-gdbserver

• sysrq

• sysrq t

• sysrq w

• sysrq c

联网

brtcl

• # brctl show
  bridge name  bridge id            STP enabled    interfaces
  xenbr0       8000.feffffffffff    no             vif13.0
                           pdummy0
                                                   vif0.0

• # brctl showmacs xenbr0
  port no  mac addr                is local?       aging timer
    1      fe:ff:ff:ff:ff:ff       yes             0.00

• # brctl showstp xenbr0
  xenbr0
  bridge id              8000.feffffffffff
  designated root        8000.feffffffffff
  root port              0                    path cost                 0
  max age                20.00                bridge max age            20.00
  hello time             2.00                 bridge hello time         2.00
  forward delay          0.00                 bridge forward delay      0.00
  aging time            300.01
  hello timer            1.43                 tcn timer                 0.00
  topology change timer  0.00                 gc timer                  0.02
  flags
  vif13.0 (3)
  port id                8003                 state                    forwarding
  designated root        8000.feffffffffff    path cost                100
  designated bridge      8000.feffffffffff    message age timer        0.00
  designated port        8003                 forward delay timer      0.00
  designated cost        0                    hold timer               0.43
  flags
  pdummy0 (2)
  port id                8002                 state                    forwarding
  designated root        8000.feffffffffff    path cost                100
  designated bridge      8000.feffffffffff    message age timer        0.00
  designated port        8002                 forward delay timer      0.00
  designated cost        0                    hold timer               0.43
  flags
  vif0.0 (1)
  port id                8001                 state                    forwarding
  designated root        8000.feffffffffff    path cost                100
  designated bridge      8000.feffffffffff    message age timer        0.00
  designated port        8001                 forward delay timer      0.00
  designated cost        0                    hold timer               0.43
  flags

• ifconfig

• tcpdump

KVM 工具

• ps

• pstree

• top

• kvmtrace

• kvm_stat

Xen 工具

• xentop

• xm dmesg

• xm log