[rtems-docs commit] user: Mention use of LLVM

[Sebastian Huber]

Module:    rtems-docs
Branch:    master
Commit:    58bf83ea4b1cf1190bb5adc079576767037dc341
Changeset: http://git.rtems.org/rtems-docs/commit/?id=58bf83ea4b1cf1190bb5adc079576767037dc341

Author:    Sebastian Huber <sebastian.huber at embedded-brains.de>
Date:      Tue Dec 22 07:17:43 2020 +0100

user: Mention use of LLVM

---

 user/tracing/eventrecording.rst | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/user/tracing/eventrecording.rst b/user/tracing/eventrecording.rst
index 27e929c..7130658 100644
--- a/user/tracing/eventrecording.rst
+++ b/user/tracing/eventrecording.rst
@@ -179,6 +179,10 @@ extra support for the
 `Linux Trace Toolkit Next Generation (LTTng) <https://lttng.org/>`_.  This
 format can be analysed using `babeltrace <https://babeltrace.org/>`_ or
 `Eclipse Trace Compass <https://www.eclipse.org/tracecompass/>`_.
+The command line tool :file:`rtems-record-lttng` optionally uses
+`LLVM <https://www.llvm.org/>`_ to translate addresses to functions and source
+file locations.  Make sure you have the LLVM development package installed when
+you build the RTEMS Tools to enable this feature.
 
 For example, to get the event records from the record server running on the
 target use: