Re: [RFC] perf/x86: PMU IRQ handler issues

[Andi Kleen]

> actual numbers describing the issues that you're seeing, including the
> ftrace that Andi was asking for?  There are also some handy tracepoints
> for NMI lengths that I stuck in.

Another good thing would be to plot the periods (from perf report -D)

-Andi
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