Subject: + documentation-trace-tracepointstxt-add-links-to-trace_event-documentation.patch added to -mm tree
To: raspl@xxxxxxxxxxxxxxxxxx,jkosina@xxxxxxx,mathieu.desnoyers@xxxxxxxxxxxx,rob@xxxxxxxxxxx,rostedt@xxxxxxxxxxx,zoltan.kiss@xxxxxxxxxx
From: akpm@xxxxxxxxxxxxxxxxxxxx
Date: Wed, 25 Sep 2013 15:19:49 -0700
The patch titled
Subject: Documentation/trace/tracepoints.txt: add links to TRACE_EVENT documentation
has been added to the -mm tree. Its filename is
documentation-trace-tracepointstxt-add-links-to-trace_event-documentation.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/documentation-trace-tracepointstxt-add-links-to-trace_event-documentation.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/documentation-trace-tracepointstxt-add-links-to-trace_event-documentation.patch
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From: Stefan Raspl <raspl@xxxxxxxxxxxxxxxxxx>
Subject: 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@xxxxxxxxxxxxxxxxxx>
Cc: Rob Landley <rob@xxxxxxxxxxx>
Cc: Jiri Kosina <jkosina@xxxxxxx>
Cc: Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxxxx>
Cc: Zoltan Kiss <zoltan.kiss@xxxxxxxxxx>
Cc: Steven Rostedt <rostedt@xxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
Documentation/trace/tracepoints.txt | 5 +++++
1 file changed, 5 insertions(+)
diff -puN Documentation/trace/tracepoints.txt~documentation-trace-tracepointstxt-add-links-to-trace_event-documentation Documentation/trace/tracepoints.txt
--- a/Documentation/trace/tracepoints.txt~documentation-trace-tracepointstxt-add-links-to-trace_event-documentation
+++ a/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.
_
Patches currently in -mm which might be from raspl@xxxxxxxxxxxxxxxxxx are
documentation-trace-tracepointstxt-add-links-to-trace_event-documentation.patch
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