Mike Galbraith wrote:
Greetings,
On Fri, 2007-07-06 at 19:33 +0200, Ingo Molnar wrote:
i'm pleased to announce release -v19 of the CFS scheduler patchset.
I've taken mainline git tree (freshly integrated CFS!) out for a
multimedia spin. I tested watching movies and listenign to music in the
presence of various sleep/burn loads, pure burn loads, and mixed loads.
All was peachy here.. I saw no frame drops or sound skips or other
artifacts under any load where the processor could possibly meet demand.
I would agree with preliminary testing, save that if you get a lot of
processes updating the screen at once, there seems to be a notable case
of processes getting no CPU for 100-300ms, followed by a lot of CPU.
I see this clearly with the "glitch1" test with four scrolling xterms
and glxgears, but also watching videos with little busy processes on the
screen. The only version where I never see this in test or with real use
is cfs-v13.
--
Bill Davidsen <[email protected]>
"We have more to fear from the bungling of the incompetent than from
the machinations of the wicked." - from Slashdot
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