tracing: Add description of set_graph_notrace to tracing/README

It was missing the description of set_graph_notrace file.  Add it.

Link: http://lkml.kernel.org/p/1402590233-22321-5-git-send-email-namhyung@kernel.org
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 4caa814d41c335f11f186162a81878e342d0db64..822f6a0894f79a31589e0de1198cea53c90fb9b7 100644 (file)
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -3663,6 +3663,7 @@ static const char readme_msg[] =
 #endif
 #ifdef CONFIG_FUNCTION_GRAPH_TRACER
        "  set_graph_function\t- Trace the nested calls of a function (function_graph)\n"
+       "  set_graph_notrace\t- Do not trace the nested calls of a function (function_graph)\n"
        "  max_graph_depth\t- Trace a limited depth of nested calls (0 is unlimited)\n"
 #endif
 #ifdef CONFIG_TRACER_SNAPSHOT