Oracle iops测试

DECLARE
  lat  INTEGER;
  iops INTEGER;
  mbps INTEGER;
BEGIN
  DBMS_RESOURCE_MANAGER.CALIBRATE_IO(4, 10, iops, mbps, lat);
  DBMS_OUTPUT.PUT_LINE('max_iops = ' || iops);
  DBMS_OUTPUT.PUT_LINE('latency  = ' || lat);
  dbms_output.put_line('max_mbps = ' || mbps);
end;
/