create_var_ref   2817 kernel/trace/trace_events_hist.c 		ref_field = create_var_ref(hist_data, var_field,
create_var_ref   3926 kernel/trace/trace_events_hist.c 	ref_field = create_var_ref(hist_data, var_field, NULL, NULL);
create_var_ref   4339 kernel/trace/trace_events_hist.c 			var_ref = create_var_ref(hist_data, hist_field,