update quickstart

[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
 
+
 * 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
 
@@ -297,6 +303,7 @@ It will appear in the trace under event :
 channel : userspace
 event name : event
 
+
 * Getting and installing the LTTV package (on the visualisation machine, same or
   different from the visualisation machine)