#!/usr/bin/ksh
# whatsgastat()
#------------------------------------------------------------------------------#
#    Module Name:  whatsgastat                                                 #
#                                                                              #
#    Purpose:      Report on the Database SGA Statistics.                      #
#                                                                              #
#    Maintenance                                                               #
#    Date          Author        Description                                   #
#    -----------   ------------  --------------------------------------------  #
#    10-Oct-2009   M.Barone      Module design/creation                        #
#------------------------------------------------------------------------------#
{
        DIRNAM=$(dirname $0)
        ORASID=$(echo $CONTEXT_NAME | cut -f1 -d'_')
        HNAME=$(uname -n)

	clear
	echo
	echo  " #--------------------------------------------------------#"
	echo  " # whatsgastat:      Oracle Database SGA Statistics (SGA) #"
	echo  " #--------------------------------------------------------#"
	echo
	echo  " Connecting as SYSDBA"
	sleep 2

	clear
	ORANAM=${ORASID}

#------------------------------------------------------------------------------#
#  SQL*Plus ("Here-Document")                                                  #
#------------------------------------------------------------------------------#
sqlplus  -s  /nolog  <<-END_FILE

	CONNECT /  AS SYSDBA

        clear   BREAKS
        clear   BUFFER
        clear   COLUMNS
        clear   COMPUTES
        clear   SCREEN
        clear   SQL
        clear   TIMING

        set     feedback        off
        set     flush           on
        set     heading         on
        set     pause           off
        set     space           1
        set     termout         on
        set     verify          on
        set     linesize        80
        set     pagesize        999

        SPOOL /tmp/whatsgastat_$$.txt

        prompt ================================================================
        prompt == Automated SGA Memory Management -- SGA Stats               ==
        prompt ================================================================
        BREAK   ON  pool                skip 2  ON REPORT
        COMPUTE SUM LABEL 'Total'  OF   MB      ON pool

        BREAK   ON  REPORT
        COMPUTE SUM LABEL 'Total'       OF MB           ON REPORT

        COLUMN  datevalue       NOPRINT NEW_VALUE       DATEVAR
        COLUMN  timevalue       NOPRINT NEW_VALUE       TIMEVAR

	COLUMN  pool		FORMAT A18      HEADING 'SGAStat Pool'
	COLUMN  name		FORMAT A40      HEADING 'SGAStat Name'
	COLUMN  MB  		FORMAT 99999999 HEADING 'Bytes (MB)'

        TTITLE	CENTER  'Oracle SGA Dynamic Views (sga_resize_ops)'	-
		LEFT    DATEVAR                                         -
                RIGHT   'Page:'         FORMAT 999 SQL.pno      skip 1	-
                CENTER  'whatsgastat -- Sorted by SGAstat Name'		-
                LEFT    TIMEVAR					skip 2

        SELECT  TO_CHAR(sysdate, 'DD-MON-YY')           datevalue,
                TO_CHAR(sysdate, 'HH24:MI:SS')		timevalue,
		pool, name, round((bytes/1024/1024),0) MB
	 FROM	v\$sgastat
	WHERE   bytes > 10000
	ORDER BY pool, bytes desc;

        EXIT;
END_FILE

print
print "Please see /tmp/whatsgastat_$$.txt"
print
}
