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authorMasami Hiramatsu <mhiramat@kernel.org>2021-06-02 23:33:09 +0900
committerSteven Rostedt (VMware) <rostedt@goodmis.org>2021-06-10 11:16:21 -0400
commitee0a07017ae34f2dbf5775956d8fc3f6d36be985 (patch)
treecf0a3fb33a18247c93a33b998138720b9c80ad3c /Documentation/trace
parent4f99f8489950c03c792f17ca2d55cbb591286174 (diff)
Documentation: tracing: Add per-group/all events enablement desciption
Add ftrace.event.<GROUP>.enable and ftrace.event.enable bootconfig description in the boot-time tracing document. Link: https://lkml.kernel.org/r/162264438901.302580.10697703336929432947.stgit@devnote2 Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org> Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Diffstat (limited to 'Documentation/trace')
-rw-r--r--Documentation/trace/boottime-trace.rst6
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/trace/boottime-trace.rst b/Documentation/trace/boottime-trace.rst
index 89b64334929b..8053898cfeb4 100644
--- a/Documentation/trace/boottime-trace.rst
+++ b/Documentation/trace/boottime-trace.rst
@@ -99,6 +99,12 @@ These options are setting per-event options.
ftrace.[instance.INSTANCE.]event.GROUP.EVENT.enable
Enable GROUP:EVENT tracing.
+ftrace.[instance.INSTANCE.]event.GROUP.enable
+ Enable all event tracing within GROUP.
+
+ftrace.[instance.INSTANCE.]event.enable
+ Enable all event tracing.
+
ftrace.[instance.INSTANCE.]event.GROUP.EVENT.filter = FILTER
Set FILTER rule to the GROUP:EVENT.