aboutsummaryrefslogtreecommitdiff
path: root/Documentation/trace
diff options
context:
space:
mode:
authorPaul Bolle <pebolle@tiscali.nl>2013-03-18 09:34:10 +0100
committerJiri Kosina <jkosina@suse.cz>2013-03-21 10:58:03 +0100
commitc25a4a09c3fa3d4b058ac612d82ddfd172410fbb (patch)
treebafbdeb42e7f85914d667897921d928c0052ef3c /Documentation/trace
parent07f42258893d3768deb9a24165d23f1355bc1949 (diff)
downloadlinux-linaro-stable-c25a4a09c3fa3d4b058ac612d82ddfd172410fbb.tar.gz
doc: Remove text on tracepoint samples
The tracepoint sample code got removed. Remove a few lines on its usage too. Acked-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> Acked-by: Rob Landley <rob@landley.net> Acked-by: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Paul Bolle <pebolle@tiscali.nl> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'Documentation/trace')
-rw-r--r--Documentation/trace/tracepoints.txt15
1 files changed, 0 insertions, 15 deletions
diff --git a/Documentation/trace/tracepoints.txt b/Documentation/trace/tracepoints.txt
index c0e1ceed75a4..da49437d5aeb 100644
--- a/Documentation/trace/tracepoints.txt
+++ b/Documentation/trace/tracepoints.txt
@@ -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)
-modprobe tracepoint-probe-sample
-cat /proc/tracepoint-sample (returns an expected error)
-rmmod tracepoint-sample tracepoint-probe-sample
-dmesg