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-rw-r--r--Documentation/trace/events.rst6
1 files changed, 5 insertions, 1 deletions
diff --git a/Documentation/trace/events.rst b/Documentation/trace/events.rst
index a5ea2cb0082b..1afae55dc55c 100644
--- a/Documentation/trace/events.rst
+++ b/Documentation/trace/events.rst
@@ -338,10 +338,14 @@ used for conditionally invoking triggers.
The syntax for event triggers is roughly based on the syntax for
set_ftrace_filter 'ftrace filter commands' (see the 'Filter commands'
-section of Documentation/trace/ftrace.txt), but there are major
+section of Documentation/trace/ftrace.rst), but there are major
differences and the implementation isn't currently tied to it in any
way, so beware about making generalizations between the two.
+Note: Writing into trace_marker (See Documentation/trace/ftrace.rst)
+ can also enable triggers that are written into
+ /sys/kernel/tracing/events/ftrace/print/trigger
+
6.1 Expression syntax
---------------------