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documentation: Add links to TRACE_EVENT documentation 

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>
Acked-by: Rob Landley <rob@landley.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
hifive-unleashed-5.1
Stefan Raspl 2013-11-06 13:18:28 -08:00 committed by Jiri Kosina
parent 832919bfcf
commit 0899d6ac46
1 changed files with 5 additions and 0 deletions
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5
Documentation/trace/tracepoints.txt
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@ -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.