Re: [PATCH v2 2/4] perf/x86: Fix data source decoding for Skylake

[Peter Zijlstra]

On Thu, Jun 08, 2017 at 01:10:07PM -0700, Andi Kleen wrote:
> Note that Skylake cannot fill it in, it doesn't report the hops.
> And for the old parts the existing bits work. So I don't think
> there's a motivation to add a new hops field, unless some other
> architecture needs it.

PowerPC is currently using the REM2 stuff, I added the people who wrote
that code to Cc in the hope they would help by explaining their platform
capabilities.