Merge branch 'tracing/core' into perf/core

[safe/jmp/linux-2.6] / Documentation / kernel-parameters.txt

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 9107b38..c8d1b2b 100644 (file)
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -779,6 +779,13 @@ and is between 256 and 4096 characters. It is defined in the file
                        by the set_ftrace_notrace file in the debugfs
                        tracing directory.
 
+       ftrace_graph_filter=[function-list]
+                       [FTRACE] Limit the top level callers functions traced
+                       by the function graph tracer at boot up.
+                       function-list is a comma separated list of functions
+                       that can be changed at run time by the
+                       set_graph_function file in the debugfs tracing directory.
+
        gamecon.map[2|3]=
                        [HW,JOY] Multisystem joystick and NES/SNES/PSX pad
                        support via parallel port (up to 5 devices per port)