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14 lines
620 B
Plaintext
14 lines
620 B
Plaintext
[[record-and-replay]]
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= Record and replay
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QEMU supports deterministic record and replay by saving external inputs,
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which would be awesome to understand the kernel, as you would be able to
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examine a single run as many times as you would like.
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Unfortunately it is not working in the current QEMU:
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https://stackoverflow.com/questions/46970215/how-to-use-qemus-deterministic-record-and-replay-feature-for-a-linux-kernel-boo
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Alternatively, https://github.com/mozilla/rr[`mozilla/rr`] claims it is
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able to run QEMU: but using it would require you to step through QEMU
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code itself. Likely doable, but do you really want to?
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