Add a description of stacktrace filter command. Signed-off-by: Masami Hiramatsu <mhiramat@xxxxxxxxxx> Cc: Jonathan Corbet <corbet@xxxxxxx> Cc: linux-doc@xxxxxxxxxxxxxxx --- Documentation/trace/ftrace.rst | 3 +++ 1 file changed, 3 insertions(+) diff --git a/Documentation/trace/ftrace.rst b/Documentation/trace/ftrace.rst index a20d34955333..81378a8b631e 100644 --- a/Documentation/trace/ftrace.rst +++ b/Documentation/trace/ftrace.rst @@ -2987,6 +2987,9 @@ The following commands are supported: command, it only prints out the contents of the ring buffer for the CPU that executed the function that triggered the dump. +- stacktrace: + When the function is hit, a stack trace is recorded. + trace_pipe ----------