Re: [PATCH V9 1/4] perf/core: Add PERF_SAMPLE_DATA_PAGE_SIZE

[Peter Zijlstra]

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.