devinfo man page on FreeBSD

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DEVINFO(8)		  BSD System Manager's Manual		    DEVINFO(8)

     devinfo — print information about system device configuration

     devinfo [-rv]
     devinfo -u

     The devinfo utility, without any arguments, shows the hierarchy of
     devices available in the system, starting from the “nexus” device.

     The following options are accepted.

     -r	     Causes hardware resource information (such as IRQ, I/O ports, I/O
	     memory addresses) to be also listed, under each device that has
	     reserved those resources.

     -u	     Displays the same information as with -r but sorts by resource
	     type rather than by device, allowing to review the set of system
	     resources by usage and available resources.  I.e., it lists all
	     the IRQ consumers together.

     -v	     Display all devices in the driver tree, not just those that are
	     attached or busy.	Without this flag, only those devices that
	     have attached are reported.

     systat(1), devinfo(3), iostat(8), pciconf(8), pnpinfo(8), vmstat(8),
     devclass(9), device(9)

     Mike Smith ⟨⟩

BSD			       November 28, 2005			   BSD

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