* [PATCH] documentation: Add links to TRACE_EVENT documentation
@ 2013-09-23 7:36 Stefan Raspl
0 siblings, 0 replies; only message in thread
From: Stefan Raspl @ 2013-09-23 7:36 UTC (permalink / raw)
To: Andrew Morton; +Cc: linux-kernel, linux-doc, Mathieu Desnoyers
documentation: 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>
---
Documentation/trace/tracepoints.txt | 5 +++++
1 file changed, 5 insertions(+)
--- a/Documentation/trace/tracepoints.txt
+++ b/Documentation/trace/tracepoints.txt
@@ -99,3 +99,8 @@ 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.
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