[Intel-gfx] [RFC] perf: Allow fine-grained PMU access control

[Peter Zijlstra]

On Thu, Jan 18, 2018 at 06:40:07PM +0000, Tvrtko Ursulin wrote:
> From: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
> 
> For situations where sysadmins might want to allow different level of
> of access control for different PMUs, we start creating per-PMU
> perf_event_paranoid controls in sysfs.

You've completely and utterly failed to explain why.