report auto_refresh(alv not active)

REPORT z_barry_test3 NO STANDARD PAGE HEADING.
TABLES: tstc,tstct.
DATA: ok_code(20).
DATA: BEGIN OF itab OCCURS 10.
        INCLUDE STRUCTURE uinfo2.
DATA: END OF itab.
START-OF-SELECTION.
  PERFORM triger.
  WRITE:/ '.....'.
AT USER-COMMAND.
  CASE ok_code.
    WHEN 'TRIG'.
      WRITE:/ sy-uzeit. "Time
      PERFORM getdata.
      PERFORM write.
      PERFORM triger.
  ENDCASE.
*---------------------------------------------------------------------*
*       FORM WHEN_FINISHED                                            *
*---------------------------------------------------------------------*
FORM on_finished USING taskname.
*  RECEIVE RESULTS FROM FUNCTION 'RFC_PING_AND_WAIT'.
  SET USER-COMMAND 'TRIG'.
  ok_code = 'TRIG'.
*  sy-ucomm = 'TRIG'.
ENDFORM.                    "when_finished
*---------------------------------------------------------------------*
*       FORM getdata                                                  *
*---------------------------------------------------------------------*
FORM getdata.
  CLEAR itab.
  REFRESH itab.
  CALL FUNCTION 'TH_LONG_USR_INFO'
       EXPORTING
            user      = '*'
       TABLES
            user_info = itab.
  SORT itab BY client user terminal tcode.
ENDFORM.
*---------------------------------------------------------------------*
*       FORM write                                                    *
*---------------------------------------------------------------------*
FORM write.
  LOOP AT itab .
    SELECT SINGLE ttext FROM tstct INTO tstct-ttext
                        WHERE sprsl = sy-langu       AND
                              tcode = itab-tcode.
    TRANSLATE tstct-ttext TO UPPER CASE.
    WRITE:/ itab-session,
            itab-client,
            itab-user,
            itab-terminal,
            itab-tcode,
            itab-time,
            itab-lang,
            tstct-ttext.
  ENDLOOP.
  sy-lsind = 0.
ENDFORM.
*---------------------------------------------------------------------*
*       FORM triger                                                   *
*---------------------------------------------------------------------*
FORM triger.
  CALL FUNCTION 'RFC_PING_AND_WAIT'
    STARTING NEW TASK '001'
    PERFORMING on_finished ON END OF TASK
  EXPORTING
    seconds            = 4
    busy_waiting       = ' ' .
ENDFORM.