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[lttv.git]
/
trunk
/
lttv
/
QUICKSTART
diff --git
a/trunk/lttv/QUICKSTART
b/trunk/lttv/QUICKSTART
index a091fddb6edf9f3db3b15455d3c0fe93350c7b48..b5cde25bc6682566ddba9e71d23261c41bd1724a 100644
(file)
--- a/
trunk/lttv/QUICKSTART
+++ b/
trunk/lttv/QUICKSTART
@@
-288,8
+288,14
@@
system)
make
make install
make
make install
+
* Userspace tracing
* Userspace tracing
+Make sure you selected the kernel menuconfig option :
+ <M> or <*> Support logging events from userspace
+And that the ltt-userspace-event kernel module is loaded if selected as a
+module.
+
Simple userspace tracing is available through
echo "some text to record" > /mnt/debugfs/ltt/write_event
Simple userspace tracing is available through
echo "some text to record" > /mnt/debugfs/ltt/write_event
@@
-297,6
+303,7
@@
It will appear in the trace under event :
channel : userspace
event name : event
channel : userspace
event name : event
+
* Getting and installing the LTTV package (on the visualisation machine, same or
different from the visualisation machine)
* Getting and installing the LTTV package (on the visualisation machine, same or
different from the visualisation machine)
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