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Ciro Santilli
2018-02-13 16:09:16 +00:00
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record-and-replay.adoc
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[[record-and-replay]]
= Record and replay
=== Record and replay
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, https://github.com/mozilla/rr[`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?
Alternatively, https://github.com/mozilla/rr[`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?