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-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 60ae41f234d0..f959909d7154 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

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