[Bug 98755] [i915] Graphics Regression: Window dragging, opening very slow and laggy

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=98755

--- Comment #17 from Chris Wilson <chris at chris-wilson.co.uk> ---
Indeed, they are traces for relatively idle cpu handing off work to the gpu,
and look consistent with each other. Neither are spending any time waiting for
the gpu, which seems slightly odd, if it was a graphics slowdown we would start
seeing throttling and lots of waiting around.

Does boosting the priority of X make any difference? Are there unusual blocked
(iowait?) tasks?

About the only odd thing there is icewm consuming a lot of time reading
thermals generating ACPI operations.

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