[igt-dev] [PATCH i-g-t v2 00/11] trace.pl fixes

[Tvrtko Ursulin]

On 06/03/2018 12:43, Tvrtko Ursulin wrote:
> From: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
> 
> Collection of fixes on top of John's recent work.
> 
> Problems were mostly in the request split logic which had several issues both
> in my original version, and also after John's improvements.
> 
> Handling of "incomplete" requests (the ones which received neither notify nor
> context complete) was also a bit incorrect.
> 
> After this series it seems to work fine, famous last words. Anyway with my test
> data it correctly draws the timeline with no overalaps considering both merged
> requests and submission to port 1.
> 
> I also added context colouring mode so it is easier to follow the timeline and
> started using hw_id for context id's for additional readability.
> 
> v2:
> 
>   * Update for tracepoint renames. (new in series)
>   * Remove hw_id change. (droppped from series)
> 
>   * Fix incomplete handling in split mode (-s).
> 
>     This did not work well for workloads which generate very few
>     intel_engine_notify events. I am not that confident it is 100% correct now,
>     but at least it doesn't crash the script and output for one other workload I
>     had lying around looks correct.
> 
>     I guess the moral of the story here is split mode is not easy to get right if
>     it is considered just a side project and more time needs to be set aside to
>     triple-check it.
> 
> John Harrison (4):
>    scripts/trace.pl: More hash key optimisations
>    scripts/trace.pl: Sort order
>    scripts/trace.pl: Calculate stats only after all munging
>    scripts/trace.pl: Simplify 'end' & 'notify' generation
> 
> Tvrtko Ursulin (7):
>    trace.pl: Catch-up with tracepoint renames

 From here vvvvv...

>    trace.pl: Move sortQueue near its user
>    trace.pl: Move min/max timestamp lookup to last loop
>    trace.pl: Fix engine busy accounting in split mode
>    trace.pl: Add support for colouring context execution
>    trace.pl: Fix incomplete request handling
>    trace.pl: Fix request split mode

... to here ^^^^^.

Only six patches to review and four even don't need much thinking!

Regards,

Tvrtko