[Intel-gfx] [RFC i-g-t] igt/scripts: trace.pl to parse the i915 tracepoints

[Chris Wilson]

On Wed, Feb 22, 2017 at 10:03:33AM +0000, Tvrtko Ursulin wrote:
> From: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
> 
> Given a log file created via perf with some interesting trace
> events enabled, this tool can generate the timeline graph of
> requests getting queued, their dependencies resolved, sent to
> the GPU for executing and finally completed.
> 
> This can be useful when analyzing certain classes of performance
> issues. More help is available in the tool itself.
> 
> The tool will also calculate some overall per engine statistics,
> like total time engine was idle and similar.
> 
> Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
> ---
> A bit rough around the edges but works for the majority of traces
> I was feeding into it.
> 
> Wheter or not we want to add this to IGT I am not sure.

It has my vote.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre