[PATCH] [TRIVIAL] Documentation: Remove text on tracepoint samples
From: Paul Bolle
Date: Mon Mar 18 2013 - 04:34:20 EST
The tracepoint sample code got removed. Remove a few lines on its usage
Acked-by: Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxxxx>
Acked-by: Rob Landley <rob@xxxxxxxxxxx>
Signed-off-by: Paul Bolle <pebolle@xxxxxxxxxx>
Rob asked (off list) to submit this for the trivial tree.
Documentation/trace/tracepoints.txt | 15 ---------------
1 file changed, 15 deletions(-)
diff --git a/Documentation/trace/tracepoints.txt b/Documentation/trace/tracepoints.txt
index c0e1cee..da49437 100644
@@ -81,7 +81,6 @@ tracepoint_synchronize_unregister() must be called before the end of
the module exit function to make sure there is no caller left using
the probe. This, and the fact that preemption is disabled around the
probe call, make sure that probe removal and module unload are safe.
-See the "Probe example" section below for a sample probe module.
The tracepoint mechanism supports inserting multiple instances of the
same tracepoint, but a single definition must be made of a given
@@ -100,17 +99,3 @@ 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.
-* Probe / tracepoint example
-See the example provided in samples/tracepoints
-Compile them with your kernel. They are built during 'make' (not
-'make modules') when CONFIG_SAMPLE_TRACEPOINTS=m.
-Run, as root :
-modprobe tracepoint-sample (insmod order is not important)
-cat /proc/tracepoint-sample (returns an expected error)
-rmmod tracepoint-sample tracepoint-probe-sample
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