[Intel-gfx] [igt-dev] [PATCH i-g-t v2 00/11] trace.pl fixes
Tvrtko Ursulin
tvrtko.ursulin at linux.intel.com
Wed Apr 18 14:52:19 UTC 2018
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
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