Messages in this thread |  | | Date | Thu, 4 Jan 2024 09:07:56 -0800 | | From | Andi Kleen <> | | Subject | Re: [BUG] Guest OSes die simultaneously (bisected) |
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> My (completely random) guess is that there is some rare combination > of events that causes this code to fail. If so, is it feasible to > construct a test that makes this rare combination of events less rare, > so that similar future bugs are caught more quickly?
Yes, I tested something similar before. What you need is create lots of PMIs with perf (running perf top should be enough) and a workload that creates lots of exits in a guest (e.g. running fio on a virtio device). This will stress test this particular path.
-Andi
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