Messages in this thread | ![/](/images/icornerl.gif) | | Date | Sat, 26 Jul 2003 10:42:38 -0600 | From | Lou Langholtz <> | Subject | Re: Ingo Molnar and Con Kolivas 2.6 scheduler patches |
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Con Kolivas wrote:
>. . . >Actually this is not strange to me. It has become obvious that the problems >with interactivity that have evolved in 2.5 are not scheduler related. Just >try plugging in all the old 2.4 O(1) scheduler settings into the current >scheduler and you will see that it still performs badly. What exactly is the >cause is a mystery but seems to be more a combination of factors with a >careful look at the way the vm behaves being part of that. . . . > Any chance that the problem may be due to the block layer system (and block driver(s)) getting more cycles than it should? Particularly with the out-of-band like work queue scheduling? That would at least explain the scheduling oddities I'm seeing with 2.6.0-test1 after a minute of so of intense I/O.
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