Messages in this thread | | | Date | Mon, 03 Mar 2003 21:52:22 -0800 | From | "Martin J. Bligh" <> | Subject | Re: xmms (audio) skipping in 2.5 (not 2.4) |
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>> So ... is there any easy way I can diagnose this? Does anyone else have a >> similar problem? > > Most of us who have worked with an O(1) scheduler based kernel have found > this at various times. See the previous discussion with akpm about the > interactivity estimator. Akpm found that decreasing the maximum timeslice > duration would blunt the effect of the interactivity estimator giving > preference to the "wrong" task. In 2.4.20-ck4 I avoid this problem with > the "desktop tuning" of making the max timeslice==min timeslice. Try an > -mm kernel with the scheduler tunables patch and try playing with the > max timeslice. Most have found that <=25 will usually stop these skips. > The default max timeslice of 300ms is just too long for the desktop and > interactivity estimator.
Heh, cool. I have the same patch in my tree too, fixed it without rebooting even ;-) Still a *tiny* bit of skipping, but infinitely better than it was. Thanks very much,
M.
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