2825bf5b2a
Add EXAMPLES for all the flags Approved by: manpages (bcr@) Differential Revision: https://reviews.freebsd.org/D26283
158 lines
4.4 KiB
Groff
158 lines
4.4 KiB
Groff
.\"
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.\" Copyright (c) 1997 Doug Rabson
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd January 19, 2016
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.Dt KLDSTAT 8
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.Os
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.Sh NAME
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.Nm kldstat
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.Nd display status of dynamic kernel linker
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.Sh SYNOPSIS
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.Nm
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.Op Fl h
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.Op Fl q
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.Op Fl v
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.Op Fl d
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.Op Fl i Ar id
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.Op Fl n Ar filename
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.Nm
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.Op Fl q
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.Op Fl d
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.Op Fl m Ar modname
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.Sh DESCRIPTION
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The
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.Nm
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utility displays the status of any files dynamically linked into the
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kernel.
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.Pp
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The following options are available:
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.Bl -tag -width indentXX
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.It Fl h
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Display the size field in a human-readable form, using unit suffixes
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instead of hex values.
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.It Fl v
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Be more verbose.
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.It Fl d
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Show the module specific data (as int, unsigned int and unsigned long)
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.It Fl i Ar id
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Display the status of only the file with this ID.
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.It Fl n Ar filename
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Display the status of only the file with this filename.
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.It Fl q
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Only check if file is loaded or compiled into the kernel.
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.It Fl m Ar modname
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Display the status of only the module with this modname.
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.El
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.Sh EXIT STATUS
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.Ex -std
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.Sh EXAMPLES
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Show files dynamically linked into the kernel.
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Note the kernel itself is shown in the list.
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.Em Refs
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shows the number of modules referenced by each file:
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.Bd -literal -offset indent
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$ kldstat
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Id Refs Address Size Name
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1 38 0xffffffff80200000 2448f20 kernel
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2 3 0xffffffff82649000 b7bd8 linux.ko
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3 5 0xffffffff82701000 9698 linux_common.ko
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4 1 0xffffffff82b11000 1eae linsysfs.ko
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5 1 0xffffffff82b13000 f2af8 nvidia-modeset.ko
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6 1 0xffffffff82c06000 122b020 nvidia.ko
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7 1 0xffffffff83e32000 2668 intpm.ko
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8 1 0xffffffff83e35000 b50 smbus.ko
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9 1 0xffffffff83e36000 18a0 uhid.ko
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10 1 0xffffffff83e38000 2928 ums.ko
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11 1 0xffffffff83e3b000 1aa0 wmt.ko
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12 1 0xffffffff83e3d000 cd70 snd_uaudio.ko
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.Ed
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.Pp
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Show the verbose status of the
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.Em linux
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file and show the size in a human readable fashion:
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.Bd -literal -offset indent
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$ kldstat -h -v -n linux
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Id Refs Address Size Name
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2 3 0xffffffff82649000 735K linux.ko (/boot/kernel/linux.ko)
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Contains modules:
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Id Name
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2 linuxelf
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.Ed
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.Pp
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Same as above using the
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.Em id
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of the file:
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.Bd -literal -offset indent
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$ kldstat -h -i 2 -v
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Id Refs Address Size Name
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2 3 0xffffffff82649000 735K linux.ko (/boot/kernel/linux.ko)
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Contains modules:
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Id Name
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2 linuxelf
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.Ed
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.Pp
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Show the status of the
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.Em linuxelf
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module obtained from the example above:
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.Bd -literal -offset indent
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$ kldstat -v -m linuxelf
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Id Refs Name
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2 1 linuxelf
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.Ed
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.Pp
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Show the module specific data for the
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.Em g_raid
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module:
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.Bd -literal -offset indent
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$ kldstat -d -m g_raid
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Id Refs Name data..(int, uint, ulong)
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366 1 g_raid (0, 0, 0x0)
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.Ed
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.Pp
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Check if the module
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.Em fakefile
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is linked.
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Returns 0 if it is, 1 otherwise:
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.Bd -literal -offset indent
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$ kldstat -q -n fakefile || echo file not linked
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file not linked
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.Ed
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.Sh SEE ALSO
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.Xr kldstat 2 ,
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.Xr kldload 8 ,
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.Xr kldunload 8
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.Sh HISTORY
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The
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.Nm
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utility first appeared in
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.Fx 3.0 ,
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replacing the
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.Nm lkm
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interface.
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.Sh AUTHORS
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.An Doug Rabson Aq Mt dfr@FreeBSD.org
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