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authorStefan Raspl <raspl@linux.vnet.ibm.com>2013-11-12 15:11:11 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2013-11-13 12:09:32 +0900
commitc7708649ccbdc21e85c95ca1a01b28342d939d39 (patch)
treea3f8d8bf6b6aa2d67dcbc07764981a47931d1021 /Documentation
parent965fd2968a5daf66c21a21a539528f6d3ec7c53b (diff)
Documentation/trace/tracepoints.txt: add links to TRACE_EVENT documentation
Existing tracepoint documentation doesn't mention the popular TRACE_EVENT macro. Since an excellent series of articles on proper usage already exists, respective links are added to the existing documentation. Signed-off-by: Stefan Raspl <raspl@linux.vnet.ibm.com> Cc: Rob Landley <rob@landley.net> Cc: Jiri Kosina <jkosina@suse.cz> Acked-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> Cc: Zoltan Kiss <zoltan.kiss@citrix.com> Cc: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/trace/tracepoints.txt5
1 files changed, 5 insertions, 0 deletions
diff --git a/Documentation/trace/tracepoints.txt b/Documentation/trace/tracepoints.txt
index ac4170dd0f24..6b018b53177a 100644
--- a/Documentation/trace/tracepoints.txt
+++ b/Documentation/trace/tracepoints.txt
@@ -114,3 +114,8 @@ core kernel image or in modules.
If the tracepoint has to be used in kernel modules, an
EXPORT_TRACEPOINT_SYMBOL_GPL() or EXPORT_TRACEPOINT_SYMBOL() can be
used to export the defined tracepoints.
+
+Note: The convenience macro TRACE_EVENT provides an alternative way to
+ define tracepoints. Check http://lwn.net/Articles/379903,
+ http://lwn.net/Articles/381064 and http://lwn.net/Articles/383362
+ for a series of articles with more details.