Messages in this thread | | | From | John Garry <> | Subject | Re: [RFC PATCH 1/1] perf arm64: Implement --topdown with metrics | Date | Wed, 15 Dec 2021 12:53:16 +0000 |
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>> In addition we could also add a --topdown arg to force using JSON >> metricgroups. >> > > What arg do think would be supplied?
something like -json or -metricgroup, meaning "Use pmu-events metric events to calculate topdown results rather than kernel CPU PMU events. This is default fallback if the kernel CPU PMU does not support topdown events"
> >> Did you actually test this patch? I have something experimental >> working from some time ago, and it was more complicated than this. I >> need to check the code again... >> > > I got stats back from this implementation, yes. Let me know if there's > things my patch isn't catering for.
I'll give it a spin...
Thanks, John
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