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-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.