[Intel-gfx] [PATCH] drm/i915/trace: add hw_id to gem requests trace points

[Tvrtko Ursulin]

On 15/12/2017 16:18, Lionel Landwerlin wrote:
> On 15/12/17 16:08, Chris Wilson wrote:
>> Quoting Lionel Landwerlin (2017-12-15 15:51:36)
>>> When monitoring the GPU with i915 perf, reports are tagged with a hw
>>> id. When also tracking the requests using the kernel tracepoints, if
>>> we include the hw_id from i915_gem_context, this allows us to
>>> correlate a process with hw id fields in the OA reports.
>> Maybe, but don't split the fence.context and fence.seqno. You should
>> also update the igt tools using the tracepoints.
>> -Chris
>>
> I would have thought the tools could deal with a different ordering :(

At least as a benefit you get to refresh your Perl skills. ;)

trace.pl and intel-gpu-overlay I think are the only two.

I guess it would be possible to smarten both up to detect where the 
fields they need are located but maybe too much work.

Regards,

Tvrtko