Tango Polling Loop SIG Meeting

Contribution List

1. Welcome

Anton Joubert (MAX IV Laboratory), Benjamin Bertrand (MAX IV Laboratory)

4/14/26, 9:00 AM

2. Where are we

Reynald Bourtembourg (ESRF)

4/14/26, 9:15 AM

Current polling loop algorithms

3. Deficiencies

Thomas Ives (Observatory Sciences Ltd)

4/14/26, 10:50 AM

Institutes get a few minutes to list their issues

• SKAO
  -- https://gitlab.com/tango-controls/cppTango/-/work_items/1554 (part of description)
  -- https://gitlab.com/tango-controls/cppTango/-/work_items/1551#note_2992430576
• MAX IV
  --...

4. Example implementations

Thomas Ives (Observatory Sciences Ltd)

4/14/26, 1:00 PM

5. Literature review: scheduling algorithms

Thomas Braun (byte physics e.K.)

4/14/26, 1:20 PM

6. Discuss algorithm options

Anton Joubert (MAX IV Laboratory)

4/14/26, 1:40 PM

Round-table discussion

7. Discuss design options

4/14/26, 3:00 PM

Configurability, backwards compatibility, pluggability, etc.

-> converge on solution and roadmap

8. Day 1 recap

4/14/26, 4:00 PM

9. Day 1 follow-ups & agenda review

4/15/26, 9:00 AM

10. Design of the new data collector/producer-consumer mechanism

4/15/26, 9:15 AM

11. Design of the new data collector/producer-consumer mechanism (cont.)

4/15/26, 10:45 AM

12. Scheduler algorithms and polling loop improvements

4/15/26, 1:30 PM

21. Scheduler algorithms and polling loop improvements (cont.)

4/15/26, 3:15 PM

13. Day 2 recap

4/15/26, 4:15 PM

14. Day 2 follow-ups & agenda review

4/16/26, 9:00 AM

15. Scheduler algorithms and polling loop improvements (cont.)

4/16/26, 9:15 AM

20. Mocking time, incl. polling loop, for testability

4/16/26, 10:15 AM

How can we make the code more testable without having to wait in "real time" for time-based events to happen?

16. Review cppTango polling work items

4/16/26, 11:15 AM

Review the list we set up before the meeting

https://gitlab.com/tango-controls/cppTango/-/work_items/1551

17. New / additional items

4/16/26, 1:30 PM

18. Review all action items

4/16/26, 3:30 PM

19. Closing remarks & next steps

4/16/26, 4:30 PM