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qemu rr: update status

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Ciro Santilli
2018-04-08 15:30:47 +01:00
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commit ef421c6a43
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README.adoc
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@@ -2377,6 +2377,8 @@ This mechanism first requires a trace to be generated on an initial record run.
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
Patches were merged in post v2.12.0-rc2 but it crashed for me and I opened a minimized bug report: https://bugs.launchpad.net/qemu/+bug/1762179
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?
==== gem5 tracing