NetBSD/sbin/modstat/modstat.8

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.\" $NetBSD: modstat.8,v 1.15 2013/10/24 13:00:21 mbalmer Exp $
.\"
.\" Copyright (c) 1993 Christopher G. Demetriou
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.\" <<Id: LICENSE,v 1.2 2000/06/14 15:57:33 cgd Exp>>
.\"
.Dd October 24, 2013
.Dt MODSTAT 8
.Os
.Sh NAME
.Nm modstat
.Nd display status of loaded kernel modules
.Sh SYNOPSIS
.Nm
.Op Fl Aaen
.Op Ar name
.Sh DESCRIPTION
The
.Nm
utility displays the status of any kernel modules present in the kernel.
.Pp
The options are as follows:
.Bl -tag -width indent
.It Fl A
Tells you whether or not modules can be autoloaded at the moment.
This option
.Em does
take into consideration the sysctl
.Li kern.module.autoload .
.It Fl a
Tells you whether or not modules can be autoloaded at the moment.
This option
.Em does not
take into consideration the sysctl
.Li kern.module.autoload .
.It Fl e
Tells you whether or not you may load a module at the moment.
.It Fl n Ar name
Display the status of only the module with this name.
Please note that
.Fl n
is optional.
.El
.Pp
In addition to listing the currently loaded modules' name,
the information reported by
.Nm
includes:
.Pp
.Bl -tag -width Loadaddr
.It Li CLASS
Module class, such as
"vfs", "driver", "exec", "misc" or "secmodel".
.It Li SOURCE
Where the module was loaded from.
.Qq Dv builtin
indicates that the module was built into the running kernel.
.Qq Dv boot
indicates that the module was loaded during system bootstrap.
.Qq Dv filesys
indicates that the module was loaded from the file system.
.It Li SIZE
Size of the module in bytes.
.It Li REFS
Number of references held on the module.
Disabled builtin modules will show a count of \-1 here.
.It Li ADDRESS
The kernel address at which the module is loaded.
Builtin modules will show 0 here.
.It Li REQUIRES
Additional modules that must be present.
.El
.Sh EXIT STATUS
The
.Nm
utility exits with a status of 0 on success
and with a nonzero status if an error occurs.
.Sh SEE ALSO
.Xr module 7 ,
.Xr sysctl 7 ,
.Xr modload 8 ,
.Xr modunload 8
.Sh HISTORY
The
.Nm
command was designed to be similar in functionality
to the corresponding command in
.Tn "SunOS 4.1.3" .