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Diffstat (limited to 'Documentation/trace/events.rst')
| -rw-r--r-- | Documentation/trace/events.rst | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/Documentation/trace/events.rst b/Documentation/trace/events.rst index a5ea2cb0082be..1afae55dc55ca 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 --------------------- |