instrumentation and the LTTng high-speed data extraction mechanism added to the
kernel.
+<br>
+<br>
+<h3><a href="#TOClicense" name="license">Licenses</a></h3>
+<br>
+<p>
+LTTng, UST and LTTV are developed by an open community. LTTng is released under
+a dual Gnu LGPLv2.1/GPLv2 license, except for very few kernel-specific files
+which are derived work from the Linux kernel.
+<p>
+LTTV is available under the Gnu GPLv2. The low-level LTTV trace reading library
+is released under Gnu LGPLv2.1.
+<p>
+The UST userspace tracer and the Userspace RCU library are released under the
+LGPLv2.1 license, which allows linking these userspace tracing library to
+non-GPL (BSD, proprietary...) applications. The associated headers are released
+under MIT-style/BSD-style licenses.
+<p>
+Please refer to each particular file licensing for details.
+
<br>
<br>
<h3><a href="#TOCarch" name="arch">Supported architectures</a></h3>