On 27/03/2020 12:42, Chris Wilson wrote:
Quoting Lionel Landwerlin (2020-03-27 10:32:06)
Hi all,
i915/perf has currently support for single context filtering. This
allows mesa to read the content of the OA buffer and cut out any
unrelated context running in a middle of a query.
Iris currently uses 2 GEM contexts for 3D & compute commands. In order
to support performance queries on the compute context we need to be
able to also filter on the second GEM context used for compute
commands.
This series add support for filtering up to 4 GEM contexts in
i915/perf.
Why make it a fixed size? [From a quick look it's just fixed storage as
you use a dynamically sized array. Considered sorting and bsearching?]
-Chris
I figured you might not like too many contexts to be pinned.
Also a small size makes bsort kind of pointless ;)
I'll see how that looks. What the goto bsort utility in the kernel?
-Lionel
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