On 15/03/2018 14:46, Chris Wilson wrote:
Quoting Tvrtko Ursulin (2018-03-15 14:37:59)
On 15/03/2018 13:45, Chris Wilson wrote:
As we are making changes to igt_spin_t, one of the ideas was that we put
the obj[] array there (with the offsets and flags setup correctly) so
that we could just feed that in again later without having to worry
about the relocations.
I tried that before but we couldn't agree on resubmit semantics.
My patch had igt_spin_batch_restart(fd, spin) - so emitting the exact
same batch, including the dependency. That would actually work well for
this use case.
So if you are happy with that, I can resurrect that patch, add one more
to implement stuff from this patch, and rebase perf_pmu changes to follow.
Honestly, best to do here first, as we will probably take forever to come
up with something we both like and applies to more test cases.
Don't quite get what you mean by "best to do here first" - where is
here? Still locally to perf_pmu so no generic spin batch resubmit yet?
But I can cache the obj array under spin_batch_t as a shortcut for time
being?
Regards,
Tvrtko
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