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For what it's worth, the DMTCP [1] user-space checkpoint/restore system does that (and more). C/R is a way of doing coarse batch-based reversible debugging, typically of distributed HPC programs, and FReD [2] is a(n unfortunately dead) reversible debugger using DMTCP record/replay. 1. http://dmtcp.sourceforge.net/ 2. https://arxiv.org/abs/1212.5204

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From a user perspective, we are trying to focus less on rewind and step back and more on adding logging retroactively.

The best way to think about this is when the user adds a logpoint, they'll immediately see the logs in the console.

We hope that making logging much better is a great way to help people better understand the recording.

adding log statements retroactively - that's awesome

Thanks for sharing!

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