Next Generation Debugging
summary
Recording and reversible debugging are real and usable: an undo live recorder library produces a single replay file containing program state and all non‑deterministic inputs so debugging can happen offline; GDB is extended with Python scripts for trial runs and automation; expect recording slowdowns typically ~2–5× (pathological cases higher) while GDB’s process record can be tens of thousands × slower and huge memory use; recordings replay across OS installs on matching CPU features, handle shared memory by logging reads, support x86/ARM, offer reverse continue, register watchpoints and an experimental data flow analysis for tracing root causes.
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