Messages in this thread | | | Date | Tue, 20 Oct 2020 16:16:10 +0800 | From | Leo Yan <> | Subject | Re: [PATCH V9 1/4] perf/core: Add PERF_SAMPLE_DATA_PAGE_SIZE |
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On Tue, Oct 20, 2020 at 09:19:45AM +0200, Peter Zijlstra wrote: > On Tue, Oct 20, 2020 at 10:49:25AM +0800, Leo Yan wrote: > > I can see there have another potentail customer to use page-size is > > Arm SPE, but Arm SPE is hardware trace based sample but not interrupt > > based sample. For this case, I think this patch set cannot be > > directly applied to the AUX trace data. > > IIRC SPE is decoded in userspace, at which point we simply cannot access > this data.
Yes, it's decoded in userspace.
Thanks for clarification! Leo
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