diff --git a/tools/bootconfig/scripts/bconf2ftrace.sh b/tools/bootconfig/scripts/bconf2ftrace.sh
index feb30c2c7881..651049c782c0 100755
--- a/tools/bootconfig/scripts/bconf2ftrace.sh
+++ b/tools/bootconfig/scripts/bconf2ftrace.sh
@@ -101,6 +101,12 @@ setup_event() { # prefix group event [instance]
 	else
 		eventdir="$TRACEFS/events/$2/$3"
 	fi
+	# group enable
+	if [ "$3" = "enable" ]; then
+		run_cmd "echo 1 > ${eventdir}"
+		return
+	fi
+
 	case $2 in
 	kprobes)
 		xbc_get_val ${branch}.probes | while read line; do
@@ -127,6 +133,13 @@ setup_events() { # prefix("ftrace" or "ftrace.instance.INSTANCE") [instance]
 			setup_event $prefix ${grpev%.*} ${grpev#*.} $2
 		done
 	fi
+	if xbc_has_branch ${1}.event.enable; then
+		if [ "$2" ]; then
+			run_cmd "echo 1 > $TRACEFS/instances/$2/events/enable"
+		else
+			run_cmd "echo 1 > $TRACEFS/events/enable"
+		fi
+	fi
 }
 
 size2kb() { # size[KB|MB]