自动生成AWR HTML报告

-- -----------------------------------------------------------------------------------
-- File Name    : http://www.oracle-base.com/dba/10g/generate_multiple_awr_reports.sql -- Author       : DR Timothy S Hall
-- Description  : Generates AWR reports for all snapsots between the specified start and end point.
-- Requirements : Access to the v$ views, UTL_FILE and DBMS_WORKLOAD_REPOSITORY packages.
-- Call Syntax  : Create the directory with the appropriate path.
--                Adjust the start and end snapshots as required.
--                @generate_multiple_awr_reports.sql
-- Last Modified: 02/08/2007
-- -----------------------------------------------------------------------------------
CREATE OR REPLACE DIRECTORY awr_reports_dir AS '/tmp/';

DECLARE
-- Adjust before use.
l_snap_start       NUMBER := 1;    ---需要在使用前修改开始和结束的snapshot id
l_snap_end         NUMBER := 10;
l_dir              VARCHAR2(50) := 'AWR_REPORTS_DIR';

l_last_snap        NUMBER := NULL;
l_dbid             v$database.dbid%TYPE;
l_instance_number  v$instance.instance_number%TYPE;
l_file             UTL_FILE.file_type;
l_file_name        VARCHAR(50);

BEGIN
SELECT dbid
INTO   l_dbid
FROM   v$database;

SELECT instance_number
INTO   l_instance_number
FROM   v$instance;

FOR cur_snap IN (SELECT snap_id
FROM   dba_hist_snapshot
WHERE  instance_number = l_instance_number
AND    snap_id BETWEEN l_snap_start AND l_snap_end
ORDER BY snap_id)
LOOP
IF l_last_snap IS NOT NULL THEN
l_file := UTL_FILE.fopen(l_dir, 'awr_' || l_last_snap || '_' || cur_snap.snap_id || '.htm', 'w', 32767);

FOR cur_rep IN (SELECT output
FROM   TABLE(DBMS_WORKLOAD_REPOSITORY.awr_report_html(l_dbid, l_instance_number, l_last_snap, cur_snap.snap_id)))
LOOP
UTL_FILE.put_line(l_file, cur_rep.output);
END LOOP;
UTL_FILE.fclose(l_file);
END IF;
l_last_snap := cur_snap.snap_id;
END LOOP;

EXCEPTION
WHEN OTHERS THEN
IF UTL_FILE.is_open(l_file) THEN
UTL_FILE.fclose(l_file);
END IF;
RAISE;
END;
/