以下是存储过程内容：

CREATE OR REPLACE PROCEDURE sp_auto_awrreport(reporttime varchar2 default null,
                                              rpt_interval number default 2)
AS
----用途：自动生成AWR报告
----创建人：cavlin
----创建日期：20130210
----reporttime 报告结束时间
----rpt_interval 报告间隔 1:30分钟,2:60分钟
start_snap number;
end_snap number;
start_time varchar2(14);
end_time varchar2(14);
awr_file utl_file.file_type;
n_dbid  number;

BEGIN

  if reporttime is null then
    ---查询最大的快照id
    select max(snap_id) into end_snap from dba_hist_snapshot;
    start_snap:=end_snap-rpt_interval;
  else
    ---取输入时间对应的snap_id
    select snap_id
    into end_snap
    from dba_hist_snapshot
  where to_char(end_interval_time, 'yyyymmddhh24mi') = reporttime
    and instance_number = 1;
    start_snap:=end_snap-rpt_interval;
  end if;

---格式化快照时间
  select dbid,to_char(end_interval_time-rpt_interval/48, 'yyyymmddhh24mi'),to_char(end_interval_time, 'yyyymmddhh24mi')
        into n_dbid,start_time,end_time
    from dba_hist_snapshot
  where snap_id = end_snap and instance_number=1;

---实例1
  awr_file:=utl_file.fopen('DIR_AWRREPORT','AWR_NODE1_'||start_time||'_'||end_time||'.html', 'a',32767);
  for awr_info in (select output from table(dbms_workload_repository.awr_report_html(n_dbid,1,start_snap,end_snap,0))) loop
  UTL_FILE.put_line(awr_file,awr_info.output);
  end loop;
  utl_file.fclose(awr_file);

---实例2
  awr_file:=utl_file.fopen('DIR_AWRREPORT','AWR_NODE2_'||start_time||'_'||end_time||'.html', 'a',32767);
  for awr_info in (select output from table(dbms_workload_repository.awr_report_html(n_dbid,2,start_snap,end_snap,0))) loop
  UTL_FILE.put_line(awr_file,awr_info.output);
  end loop;
  utl_file.fclose(awr_file);

END sp_auto_awrreport;

可以直接在数据库中调用，也可以通过shell调用：

cat  /opt/cron/autoawr.sh
#!/bin/bash

sqlplus -s / as sysdba