kernel/trace/trace_events_hist.c

2857 				    char *glob, char *cmd,
6272 static bool existing_hist_update_only(char *glob,
6314 static int hist_register_trigger(char *glob,
6456 static void hist_unregister_trigger(char *glob,
6541 				    char *glob, char *cmd,
6556 	if (WARN_ON(!glob))
6559 	if (glob[0]) {
6564 	remove = event_trigger_check_remove(glob);
6643 		event_trigger_unregister(cmd_ops, file, glob+1, trigger_data);
6652 	if (existing_hist_update_only(glob, trigger_data, file))
6655 	ret = event_trigger_register(cmd_ops, file, glob, trigger_data);
6685 	if (ret == 0 && glob[0])
6690 	event_trigger_unregister(cmd_ops, file, glob+1, trigger_data);