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authorBart Van Assche <bvanassche@acm.org>2011-01-23 17:17:24 +0100
committerGreg Kroah-Hartman <gregkh@suse.de>2011-02-03 15:39:16 -0800
commit8ba6ebf583f12da32036fc0f003ab4043e54692e (patch)
tree8fdd980d30fea50722b28fb5d782236174b2d188 /Documentation/dynamic-debug-howto.txt
parent9b99b7f84ea520d2ecaf816bde247a1ad07e454e (diff)
downloadvexpress-lsk-8ba6ebf583f12da32036fc0f003ab4043e54692e.tar.gz
Dynamic debug: Add more flags
Add flags that allow the user to specify via debugfs whether or not the module name, function name, line number and/or thread ID have to be included in the printed message. Signed-off-by: Bart Van Assche <bvanassche@acm.org> Cc: Greg Banks <gnb@fmeh.org> Cc: Konrad Rzeszutek Wilk <konrad@darnok.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'Documentation/dynamic-debug-howto.txt')
-rw-r--r--Documentation/dynamic-debug-howto.txt12
1 files changed, 10 insertions, 2 deletions
diff --git a/Documentation/dynamic-debug-howto.txt b/Documentation/dynamic-debug-howto.txt
index 58ea64a9616..e6c4b757025 100644
--- a/Documentation/dynamic-debug-howto.txt
+++ b/Documentation/dynamic-debug-howto.txt
@@ -205,12 +205,20 @@ of the characters:
The flags are:
+f
+ Include the function name in the printed message
+l
+ Include line number in the printed message
+m
+ Include module name in the printed message
p
Causes a printk() message to be emitted to dmesg
+t
+ Include thread ID in messages not generated from interrupt context
-Note the regexp ^[-+=][scp]+$ matches a flags specification.
+Note the regexp ^[-+=][flmpt]+$ matches a flags specification.
Note also that there is no convenient syntax to remove all
-the flags at once, you need to use "-psc".
+the flags at once, you need to use "-flmpt".
Debug messages during boot process