xref: /freebsd/usr.sbin/devinfo/devinfo.8 (revision 2546665afcaf0d53dc2c7058fee96354b3680f5a)
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3.\" Copyright (c) 2002 Hiten Pandya
4.\" Copyright (c) 2002 Robert N. M. Watson
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28.\" $FreeBSD$
29.\"
30.Dd May 10, 2002
31.Os
32.Dt DEVINFO 8
33.Sh NAME
34.Nm devinfo
35.Nd print information about system device configuration
36.Sh SYNOPSIS
37.Nm
38.Op Fl ruv
39.Sh DESCRIPTION
40The
41.Nm
42utility, without any arguments, shows the hierarchy of devices available
43in the system, starting from the
44.Dq nexus
45device.
46.Pp
47The following options are accepted.
48.Bl -tag -width indent
49.It Fl r
50Causes hardware resource information (such as IRQ, I/O ports, I/O memory
51addresses) to be also listed, under each device that has reserved those resources.
52.It Fl u
53Displays the same information as with
54.Fl r
55but sorts by resource type rather than by device, allowing to review the
56set of system resources by usage and available resources.
57I.e., it lists all
58the IRQ consumers together.
59.It Fl v
60Display all devices in the driver tree, not just those that are attached or
61busy.
62Without this flag, only those devices that have attached are reported.
63.El
64.Sh SEE ALSO
65.Xr systat 1 ,
66.Xr devinfo 3 ,
67.Xr iostat 8 ,
68.Xr pciconf 8 ,
69.Xr pnpinfo 8 ,
70.Xr vmstat 8
71.Sh AUTHORS
72.An Mike Smith Aq msmith@FreeBSD.org
73