On Tue, 3 Sep 2019 09:39:37 -0400 Phil Turmel <philip@xxxxxxxxxx> wrote: > > [ 7234.974190] perf: interrupt took too long (2517 > 2500), lowering > > kernel.perf_event_max_sample_rate to 79400 > > Uhm? Why are you running perf during this reshape? See: https://bugzilla.redhat.com/show_bug.cgi?id=1013708#c7 This is not caused by running the userland "perf" tool. Happens on a few of my machines too, shortly after each reboot. I guess you don't check dmesg often enough, probably on yours too. [ 1206.767374] perf: interrupt took too long (2510 > 2500), lowering kernel.perf_event_max_sample_rate to 79500 [ 1789.980074] perf: interrupt took too long (3142 > 3137), lowering kernel.perf_event_max_sample_rate to 63500 [ 3035.068060] perf: interrupt took too long (3932 > 3927), lowering kernel.perf_event_max_sample_rate to 50750 [71733.436153] perf: interrupt took too long (4924 > 4915), lowering kernel.perf_event_max_sample_rate to 40500 -- With respect, Roman
