2. 2

3. 3

4. 4

5. 5

6. 6

7. 7

8. 8

9. o1 o2 9

10. 10

11. 11

12. 12

13. 13

14. BenchmarkTracematchprobesInitial additional runtime antlrReader420.6% chartFailSafeIter74220.6% luceneHasNextElem611.9% pmdFailSafeIter42679.0% pmdHasNext32158.1% 14

15. 15

16. 16

17. 17

18. 18

19. 19

20. pmd/HasNextpmd/FailSafeIter hits shadow hits shadow 1592253 tracematch$2$hasNext@31538 1591670 tracematch$2$call_next@31539 1591670 tracematch$2$next@31539 204760 tracematch$2$call_next@32625 245224 tracematch$2$hasNext@32624 10498 tracematch$2$create_iter@32135 204760 tracematch$2$next@32625 7831 tracematch$2$update_source@31971 16764 tracematch$2$hasNext@32136 7820 tracematch$2$call_next@32137 20

21. 21 OutputMeaning Dbinding is created dbinding is destroyed

22. 22

23. 23

24. 24

25. 25 (Initial overhead was 20.6%)

26. 26

27. Probes & Relationships Probe 4 27 Probe info Statistics Relationships Probe 1 Client 3 Probe 1 Client 1 Probe 5 Client 2 Server

28. 28