Re: [PATCH 0/2] x86/intel_rdt and perf/x86: Fix lack of coordination with perf

Peter Zijlstra
2018-08-02T12:39:35Z

On Tue, Jul 31, 2018 at 12:38:27PM -0700, Reinette Chatre wrote:
> Dear Maintainers,
>
> The success of Cache Pseudo-Locking can be measured via the use of
> performance events. Specifically, the number of cache hits and misses
> reading a memory region after it has been pseudo-locked to cache. This
> measurement is triggered via the resctrl debugfs interface.
>
> To ensure most accurate results the performance counters and their
> configuration registers are accessed directly.

NAK on that.