summaryrefslogtreecommitdiff
path: root/Documentation/kernel-parameters.txt
diff options
context:
space:
mode:
authorNamhyung Kim <namhyung@kernel.org>2014-06-13 01:23:50 +0900
committerSteven Rostedt <rostedt@goodmis.org>2014-07-01 07:13:43 -0400
commit0d7d9a16ce112687487fadb2b490519b45f6c70e (patch)
tree922106d89d496b31949eff36d28b2f060077ad37 /Documentation/kernel-parameters.txt
parent3448bac32953f051be91cef6d67025869f08dc4d (diff)
downloadlwn-0d7d9a16ce112687487fadb2b490519b45f6c70e.tar.gz
lwn-0d7d9a16ce112687487fadb2b490519b45f6c70e.zip
tracing: Add ftrace_graph_notrace boot parameter
The ftrace_graph_notrace option is for specifying notrace filter for function graph tracer at boot time. It can be altered after boot using set_graph_notrace file on the debugfs. Link: http://lkml.kernel.org/p/1402590233-22321-2-git-send-email-namhyung@kernel.org Signed-off-by: Namhyung Kim <namhyung@kernel.org> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'Documentation/kernel-parameters.txt')
-rw-r--r--Documentation/kernel-parameters.txt6
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index c1b9aa8c5a52..19c0a9096a02 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -1097,6 +1097,12 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
that can be changed at run time by the
set_graph_function file in the debugfs tracing directory.
+ ftrace_graph_notrace=[function-list]
+ [FTRACE] Do not trace from the functions specified in
+ function-list. This list is a comma separated list of
+ functions that can be changed at run time by the
+ set_graph_notrace 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)