On 2022-10-05 09:46:30 [+0200], Florian Paul Schmidt wrote: > 5.19-rt10 has the problem > 5.17.1-rt17 has the problem > 5.16.2-rt19 does not have the problem Could you check v5.17-rc1-rt1? Maybe it was introduced in v5.17 cycle. > I would possibly be willing to git bisect the issue. But I am a little > bit confused about how to go about that. What repo/tree would I > precisely bisect (I am using the the patch tarballs from > https://cdn.kernel.org/pub/linux/kernel/projects/rt/)? if it got introduced post v5.17-rc1-rt1 then we could try to bisect it. Otherwise we would have to trace it. Since the latency spike is huge, it should be easy to spot. Sebastian
