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kldstat(8): Add EXAMPLES to the man page

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Add EXAMPLES for all the flags

Approved by:	manpages (bcr@)
Differential Revision: https://reviews.freebsd.org/D26283
This commit is contained in:
Fernando Apesteguía 2020-09-02 18:15:57 +00:00
parent 2d838cd867
commit 2825bf5b2a
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=365266
1 changed files with 73 additions and 1 deletions
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74
sbin/kldstat/kldstat.8
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@ -63,12 +63,84 @@ Display the status of only the file with this ID.
.It Fl n Ar filename
Display the status of only the file with this filename.
.It Fl q
Only check if module is loaded or compiled into the kernel.
Only check if file is loaded or compiled into the kernel.
.It Fl m Ar modname
Display the status of only the module with this modname.
.El
.Sh EXIT STATUS
.Ex -std
.Sh EXAMPLES
Show files dynamically linked into the kernel.
Note the kernel itself is shown in the list.
.Em Refs
shows the number of modules referenced by each file:
.Bd -literal -offset indent
$ kldstat
Id Refs Address Size Name
1 38 0xffffffff80200000 2448f20 kernel
2 3 0xffffffff82649000 b7bd8 linux.ko
3 5 0xffffffff82701000 9698 linux_common.ko
4 1 0xffffffff82b11000 1eae linsysfs.ko
5 1 0xffffffff82b13000 f2af8 nvidia-modeset.ko
6 1 0xffffffff82c06000 122b020 nvidia.ko
7 1 0xffffffff83e32000 2668 intpm.ko
8 1 0xffffffff83e35000 b50 smbus.ko
9 1 0xffffffff83e36000 18a0 uhid.ko
10 1 0xffffffff83e38000 2928 ums.ko
11 1 0xffffffff83e3b000 1aa0 wmt.ko
12 1 0xffffffff83e3d000 cd70 snd_uaudio.ko
.Ed
.Pp
Show the verbose status of the
.Em linux
file and show the size in a human readable fashion:
.Bd -literal -offset indent
$ kldstat -h -v -n linux
Id Refs Address Size Name
2 3 0xffffffff82649000 735K linux.ko (/boot/kernel/linux.ko)
Contains modules:
Id Name
2 linuxelf
.Ed
.Pp
Same as above using the
.Em id
of the file:
.Bd -literal -offset indent
$ kldstat -h -i 2 -v
Id Refs Address Size Name
2 3 0xffffffff82649000 735K linux.ko (/boot/kernel/linux.ko)
Contains modules:
Id Name
2 linuxelf
.Ed
.Pp
Show the status of the
.Em linuxelf
module obtained from the example above:
.Bd -literal -offset indent
$ kldstat -v -m linuxelf
Id Refs Name
2 1 linuxelf
.Ed
.Pp
Show the module specific data for the
.Em g_raid
module:
.Bd -literal -offset indent
$ kldstat -d -m g_raid
Id Refs Name data..(int, uint, ulong)
366 1 g_raid (0, 0, 0x0)
.Ed
.Pp
Check if the module
.Em fakefile
is linked.
Returns 0 if it is, 1 otherwise:
.Bd -literal -offset indent
$ kldstat -q -n fakefile || echo file not linked
file not linked
.Ed
.Sh SEE ALSO
.Xr kldstat 2 ,
.Xr kldload 8 ,