Re: [PATCH 2/2] perf/x86: fix constraints for load latency and precise events

[Peter Zijlstra]

On Mon, Jun 23, 2014 at 11:00:18AM +0200, Stephane Eranian wrote:
> You can say the same with PREC_DIST which up until HSW needs to be
> taken alone, i.e., no other event active. We don't enforce that either, it would
> cause problems with the NMI watchdog.

Yeah, the SDM states no other PEBS event, so the NMI watchdog would be
fine, but we do indeed not have any means of excluding other PEBS
events, only all other events.
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