Is it possible to control programs during their work (perhaps logging an event log)? Or you can only view the event logs after execution. If the latter is the case, is there a deeper reason for how the Haskell runtime works?
Edit: I don't know much about tbh runtime, but given dflemstr's answer, I was curious how many and ways to slow performance by adding an event monitoring time parameter. I remember in RWH they mentioned that rts should add a cost center, but I was not completely sure how much it cost.
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