Messages in this thread | | | Date | Fri, 8 Nov 2013 15:23:07 -0500 (EST) | From | Vince Weaver <> | Subject | Re: perf/tracepoint: another fuzzer generated lockup |
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On Fri, 8 Nov 2013, Frederic Weisbecker wrote: > > There seem to be a loop that takes too long in intel_pmu_handle_irq(). Your two > previous reports seemed to suggest that lbr is involved, but not this one.
I may be wrong but I think everything between <NMI> and <EOE> is just noise from the NMI perf-event watchdog timer kicking in.
Why that code would be reading the LBR registers I don't know.
Vince
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