path: root/Documentation/s390
diff options
authorHendrik Brueckner <brueckner@linux.vnet.ibm.com>2013-09-18 17:21:34 +0200
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2013-10-24 17:16:53 +0200
commitf1d86b61fb6692c592e937dfb5069e4057855a3b (patch)
treeebf8feb3c5067a774492f9b52a87446e8d32853f /Documentation/s390
parent4ae803253e4649803dc6e972bb5e59fc107cf474 (diff)
s390/s390dbf: add debug_level_enabled() function
Add the debug_level_enabled() function to check if debug events for a particular level would be logged. This might help to save cycles for debug events that require additional information collection. Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'Documentation/s390')
1 files changed, 10 insertions, 0 deletions
diff --git a/Documentation/s390/s390dbf.txt b/Documentation/s390/s390dbf.txt
index fcaf0b4efba2..3da163383c93 100644
--- a/Documentation/s390/s390dbf.txt
+++ b/Documentation/s390/s390dbf.txt
@@ -158,6 +158,16 @@ Return Value: none
Description: Sets new actual debug level if new_level is valid.
+bool debug_level_enabled (debug_info_t * id, int level);
+Parameter: id: handle for debug log
+ level: debug level
+Return Value: True if level is less or equal to the current debug level.
+Description: Returns true if debug events for the specified level would be
+ logged. Otherwise returns false.
void debug_stop_all(void);
Parameter: none

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