Messages in this thread | | | Date | Fri, 8 May 2015 18:24:52 +0200 | From | Peter Zijlstra <> | Subject | Re: [RFC PATCH 00/11] drm/i915: Expose OA metrics via perf PMU |
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On Thu, May 07, 2015 at 03:15:43PM +0100, Robert Bragg wrote:
> I've changed the uapi for configuring the i915_oa specific attributes > when calling perf_event_open(2) whereby instead of cramming lots of > bitfields into the perf_event_attr config members, I'm now > daisy-chaining a drm_i915_oa_event_attr_t structure off of a single > config member that's extensible and validated in the same way as the > perf_event_attr struct. I've found this much nicer to work with while > being neatly extensible too.
This worries me a bit.. is there more background for this?
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