start = ltt_time_add(time_span.start_time, time);
event_viewer_data->previous_value = time_value;
get_events(event_viewer_data, start, end, RESERVE_SMALL_SIZE,&size);
start = ltt_time_add(time_span.start_time, time);
event_viewer_data->previous_value = time_value;
get_events(event_viewer_data, start, end, RESERVE_SMALL_SIZE,&size);