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Mention rr on record and replay

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Ciro Santilli
2017-11-09 21:03:11 +00:00
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record-and-replay.md
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QEMU supports deterministic record and replay by saving external inputs, which would be awesome to understand the kernel, as you would be able to examine a single run as many times as you would like. QEMU supports deterministic record and replay by saving external inputs, which would be awesome to understand the kernel, as you would be able to examine a single run as many times as you would like.
Unfortunately it is not working in the current QEMU: <https://stackoverflow.com/questions/46970215/how-to-use-qemus-deterministic-record-and-replay-feature-for-a-linux-kernel-boo> Unfortunately it is not working in the current QEMU: <https://stackoverflow.com/questions/46970215/how-to-use-qemus-deterministic-record-and-replay-feature-for-a-linux-kernel-boo>
Alternatively, [`mozilla/rr`](https://github.com/mozilla/rr) claims it is able to run QEMU: but using it would require you to step through QEMU code itself. Likely doable, but do you really want to?