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 <[email protected]> Signed-off-by: Steven Rostedt (VMware) <[email protected]>
mj22226 · Jun 10, 2021 · ee0a070 · ee0a070
1 parent 4f99f84
commit ee0a070
Showing 1 changed file with 6 additions and 0 deletions.
diff --git 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.