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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 <davidsen@tmr.com> "We have more to fear from the bungling of the incompetent than from the machinations of the wicked." - from Slashdot - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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