Overhead of DBMS_Profiler If I use DBMS_Profiler to profile a long running (5 hour) PL/SQL script, how much longer should I expect the script to run with profiling?  I realize this will be dependent on what the script is doing, but in general am I looking at seconds, minutes, or perhaps more?
The best way to find out will be to run some known code samples with and without using the profiler. The differences normally should not be much but indeed can vary. Even dbms_application_info can hurt when put inside a high frequent loop.