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In this ACCU 2021 presentation, Undo Engineer Chris Croft-White explains everything you need to know about Time Travel Debugging – including how it works in practice (demo starts at 9:08 minutes).
He takes a sample program with bad data in memory and demonstrates how to step back in time to the point where that bad data was modified – tracing back to the exact point where the error happened.
The Superpower To Step Back In Time
Time Travel Debugging simplifies debugging by giving developers the superpower to freely step backward or forward in time in a program’s execution.
With this debugging capability, developers can unwind from the point of symptom all the way back to the root-cause to see exactly what happened.
