[Bug 108598] [GEN9] 20% perf drop in windowed/composited GpuTest Triangle

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=108598

--- Comment #1 from Chris Wilson <chris at chris-wilson.co.uk> ---
That metric may not include the frequency of screen updates, which is the
likely change here in the composited case. My suspicion is that we interject
more work from the xserver resulting in more frames being blitted from
individual batches as opposed to several frames being amalgamated into a single
batch. Just a hunch.

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