Just add the doc for our new feature. Signed-off-by: Changbin Du <changbin.du@xxxxxxxxx> --- Documentation/trace/ftrace.rst | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Documentation/trace/ftrace.rst b/Documentation/trace/ftrace.rst index f60079259669..c68fbbedb8bd 100644 --- a/Documentation/trace/ftrace.rst +++ b/Documentation/trace/ftrace.rst @@ -988,6 +988,7 @@ To see what is available, simply cat the file:: nolatency-format record-cmd norecord-tgid + norecord-funcproto overwrite nodisable_on_free irq-info @@ -1131,6 +1132,11 @@ Here are the available options: mapped Thread Group IDs (TGID) mapping to pids. See "saved_tgids". + record-funcproto + Record function parameters and return value. This option + is only supported by function_graph tracer on x86_64 + platform by now. + overwrite This controls what happens when the trace buffer is full. If "1" (default), the oldest events are -- 2.20.1
