mdb 调试程序提供了用于显示内核设备树的 ::prtconf dcmd。::prtconf dcmd 的输出与 prtconf(1M) 命令的输出相似。
> ::prtconf 300015d3e08 SUNW,Sun-Blade-100 300015d3c28 packages (driver not attached) 300015d3868 SUNW,builtin-drivers (driver not attached) 300015d3688 deblocker (driver not attached) 300015d34a8 disk-label (driver not attached) 300015d32c8 terminal-emulator (driver not attached) 300015d30e8 obp-tftp (driver not attached) 300015d2f08 dropins (driver not attached) 300015d2d28 kbd-translator (driver not attached) 300015d2b48 ufs-file-system (driver not attached) 300015d3a48 chosen (driver not attached) 300015d2968 openprom (driver not attached) |
可以使用宏(如 ::devinfo dcmd)来显示节点,如以下示例所示。
> 300015d3e08::devinfo 300015d3e08 SUNW,Sun-Blade-100 System properties at 0x300015abdc0: name='relative-addressing' type=int items=1 value=00000001 name='MMU_PAGEOFFSET' type=int items=1 value=00001fff name='MMU_PAGESIZE' type=int items=1 value=00002000 name='PAGESIZE' type=int items=1 value=00002000 Driver properties at 0x300015abe00: name='pm-hardware-state' type=string items=1 value='no-suspend-resume' |
使用 ::prtconf 可以查看驱动程序在设备树中连接的位置,以及显示设备属性。还可以为 ::prtconf 指定详细 (-v) 标志,以显示每个设备节点的属性,如下所示。
> ::prtconf -v DEVINFO NAME 300015d3e08 SUNW,Sun-Blade-100 System properties at 0x300015abdc0: name='relative-addressing' type=int items=1 value=00000001 name='MMU_PAGEOFFSET' type=int items=1 value=00001fff name='MMU_PAGESIZE' type=int items=1 value=00002000 name='PAGESIZE' type=int items=1 value=00002000 Driver properties at 0x300015abe00: name='pm-hardware-state' type=string items=1 value='no-suspend-resume' ... 300015ce798 pci10b9,5229, instance #0 Driver properties at 0x300015ab980: name='target2-dcd-options' type=any items=4 value=00.00.00.a4 name='target1-dcd-options' type=any items=4 value=00.00.00.a2 name='target0-dcd-options' type=any items=4 value=00.00.00.a4 |
另一种查找驱动程序实例的方法是使用 ::devbindings dcmd。在给定驱动程序名称的情况下,该命令会显示指定驱动程序的所有实例的列表,如以下示例所示。
> ::devbindings dad 300015ce3d8 ide-disk (driver not attached) 300015c9a60 dad, instance #0 System properties at 0x300015ab400: name='lun' type=int items=1 value=00000000 name='target' type=int items=1 value=00000000 name='class_prop' type=string items=1 value='ata' name='type' type=string items=1 value='ata' name='class' type=string items=1 value='dada' ... 300015c9880 dad, instance #1 System properties at 0x300015ab080: name='lun' type=int items=1 value=00000000 name='target' type=int items=1 value=00000002 name='class_prop' type=string items=1 value='ata' name='type' type=string items=1 value='ata' name='class' type=string items=1 value='dada' |