Documentation/trace/uprobetracer.txt: fix incorrect examples
Current uprobetracer examples don't work as they use an incorrect syntax
- if no event name is specified then 'p/r' must not be followed by a
colon
- if no event name is specified then the default event name will have a
'p_' prefix, so use that in the '-' example as well
Signed-off-by: Marcin Nowakowski <marcin.nowakowski@imgtec.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
diff --git a/Documentation/trace/uprobetracer.txt b/Documentation/trace/uprobetracer.txt
index 94b6b45..fa7b680 100644
--- a/Documentation/trace/uprobetracer.txt
+++ b/Documentation/trace/uprobetracer.txt
@@ -76,15 +76,15 @@
* Add a probe as a new uprobe event, write a new definition to uprobe_events
as below: (sets a uprobe at an offset of 0x4245c0 in the executable /bin/bash)
- echo 'p: /bin/bash:0x4245c0' > /sys/kernel/debug/tracing/uprobe_events
+ echo 'p /bin/bash:0x4245c0' > /sys/kernel/debug/tracing/uprobe_events
* Add a probe as a new uretprobe event:
- echo 'r: /bin/bash:0x4245c0' > /sys/kernel/debug/tracing/uprobe_events
+ echo 'r /bin/bash:0x4245c0' > /sys/kernel/debug/tracing/uprobe_events
* Unset registered event:
- echo '-:bash_0x4245c0' >> /sys/kernel/debug/tracing/uprobe_events
+ echo '-:p_bash_0x4245c0' >> /sys/kernel/debug/tracing/uprobe_events
* Print out the events that are registered: