PROGRESS_CLEAR
bbr_log_progress_event(bbr, tp, ticks, PROGRESS_CLEAR, __LINE__);
bbr_log_progress_event(bbr, tp, ticks, PROGRESS_CLEAR, __LINE__);
rack_log_progress_event(rack, tp, 0, PROGRESS_CLEAR, __LINE__);
rack_log_progress_event(rack, tp, 0, PROGRESS_CLEAR, __LINE__);
rack_log_progress_event(rack, tp, 0, PROGRESS_CLEAR, __LINE__);