See Documentation/markers.txt and Documentation/tracepoints.txt in your kernel
tree.
-<li>Add new events to userspace programs with userspace markers
-http://ltt.polymtl.ca/packages/</li>
+<li>Add new events to userspace programs with
+<a href="http://ltt.polymtl.ca/packages/">userspace markers packages</a></li>
<p>
Get the latest markers-userspace-*.tar.bz2 and see the Makefile and examples. It