intel_debug: Add instruction to enable the trace debugfs

Distribution kernels ship with trace not enabled by default. Add instruction on how to enable the file in order to provide traces. Signed-off-by: Peter Ujfalusi <[email protected]>
thesofproject · May 31, 2021 · 1398090 · 1398090
1 parent 9564d80
commit 1398090
Showing 1 changed file with 9 additions and 1 deletion.
diff --git a/getting_started/intel_debug/suggestions.rst b/getting_started/intel_debug/suggestions.rst
@@ -131,4 +131,12 @@ following command to extract DSP traces:
 
 .. code-block:: bash
 
- sof-logger -t sof-tgl.ldc
+ sof-logger -t sof-tgl.ldc
+
+Trace support might need to be enabled on distribution kernels in case the
+``/sys/kernel/debug/sof/trace`` file is not present by adding sof_debug=1 option
+to snd_sof module:
+
+.. code-block::
+
+ options snd_sof sof_debug=1