diff options
author | Jason Wessel <jason.wessel@windriver.com> | 2010-10-25 11:14:05 -0400 |
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committer | Jason Wessel <jason.wessel@windriver.com> | 2010-10-29 14:14:39 -0400 |
commit | 4aad8f51d0672f1c95e2cf0e1bc7b9ab42d8e1ea (patch) | |
tree | 51dc43c1b455cb6e166642051f64c80c7dd1d0b5 /Documentation/DocBook/kgdb.tmpl | |
parent | 12ba8d1e9262ce81a695795410bd9ee5c9407ba1 (diff) |
kdb: Add kdb kernel module sample
Add an example of how to add a dynamic kdb shell command via a kernel
module.
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Diffstat (limited to 'Documentation/DocBook/kgdb.tmpl')
-rw-r--r-- | Documentation/DocBook/kgdb.tmpl | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/Documentation/DocBook/kgdb.tmpl b/Documentation/DocBook/kgdb.tmpl index 490d862c5f0d..d71b57fcf116 100644 --- a/Documentation/DocBook/kgdb.tmpl +++ b/Documentation/DocBook/kgdb.tmpl | |||
@@ -710,7 +710,18 @@ Task Addr Pid Parent [*] cpu State Thread Command | |||
710 | <listitem><para>A simple shell</para></listitem> | 710 | <listitem><para>A simple shell</para></listitem> |
711 | <listitem><para>The kdb core command set</para></listitem> | 711 | <listitem><para>The kdb core command set</para></listitem> |
712 | <listitem><para>A registration API to register additional kdb shell commands.</para> | 712 | <listitem><para>A registration API to register additional kdb shell commands.</para> |
713 | <para>A good example of a self-contained kdb module is the "ftdump" command for dumping the ftrace buffer. See: kernel/trace/trace_kdb.c</para></listitem> | 713 | <itemizedlist> |
714 | <listitem><para>A good example of a self-contained kdb module | ||
715 | is the "ftdump" command for dumping the ftrace buffer. See: | ||
716 | kernel/trace/trace_kdb.c</para></listitem> | ||
717 | <listitem><para>For an example of how to dynamically register | ||
718 | a new kdb command you can build the kdb_hello.ko kernel module | ||
719 | from samples/kdb/kdb_hello.c. To build this example you can | ||
720 | set CONFIG_SAMPLES=y and CONFIG_SAMPLE_KDB=m in your kernel | ||
721 | config. Later run "modprobe kdb_hello" and the next time you | ||
722 | enter the kdb shell, you can run the "hello" | ||
723 | command.</para></listitem> | ||
724 | </itemizedlist></listitem> | ||
714 | <listitem><para>The implementation for kdb_printf() which | 725 | <listitem><para>The implementation for kdb_printf() which |
715 | emits messages directly to I/O drivers, bypassing the kernel | 726 | emits messages directly to I/O drivers, bypassing the kernel |
716 | log.</para></listitem> | 727 | log.</para></listitem> |