$ORACLE_HOME/bin/orion -help
SQL> SET SERVEROUTPUT ON
SQL> DECLARE
2 lat INTEGER;
3 iops INTEGER;
4 mbps INTEGER;
5 BEGIN
6 DBMS_RESOURCE_MANAGER.CALIBRATE_IO (2, 10, iops, mbps, lat);
7 DBMS_OUTPUT.PUT_LINE ('max_iops = ' || iops);
8 DBMS_OUTPUT.PUT_LINE ('latency = ' || lat);
9 dbms_output.put_line('max_mbps = ' || mbps);
10 end;
11 /
max_iops = 62
latency = 15
max_mbps = 31
PL/SQL procedure successfully completed