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-rw-r--r--Documentation/tools/rtla/common_timerlat_aa.rst7
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/tools/rtla/common_timerlat_aa.rst b/Documentation/tools/rtla/common_timerlat_aa.rst
index 077029e6b289..795b9fbcbc6d 100644
--- a/Documentation/tools/rtla/common_timerlat_aa.rst
+++ b/Documentation/tools/rtla/common_timerlat_aa.rst
@@ -5,3 +5,10 @@
**--no-aa**
disable auto-analysis, reducing rtla timerlat cpu usage
+
+**--aa-only** *us*
+
+ Set stop tracing conditions and run without collecting and displaying statistics.
+ Print the auto-analysis if the system hits the stop tracing condition. This option
+ is useful to reduce rtla timerlat CPU, enabling the debug without the overhead of
+ collecting the statistics.