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Dynamic debug: Add more flags

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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>
This commit is contained in:
Bart Van Assche
2011-01-23 17:17:24 +01:00
committed by Greg Kroah-Hartman
parent 9b99b7f84e
commit 8ba6ebf583
3 changed files with 68 additions and 12 deletions
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12
Documentation/dynamic-debug-howto.txt
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@@ -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