Messages in this thread | | | Date | Tue, 25 Apr 2006 20:15:31 +0200 | From | Jens Axboe <> | Subject | Re: scheduler question 2.6.16.x |
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On Tue, Apr 25 2006, Nick Warne wrote: > Hi all, > > I see in menuconfig I have two options: > > <*> Anticipatory I/O scheduler > <*> Deadline I/O scheduler > > Help reveals Anticipatory is pretty good, but make a slightly larger > kernel - Deadline help says it a good alternative to Anticipatory. > > But I can build both in... so I guess then the kernel decides what is > the best to use? Or should it be so I am only allowed to select one > or the other and allowing both is an oversight?
See the option no more than two lines down from that, default io scheduler. Also see Documentation/block/switching-sched.txt and/or Documentation/kernel-parameters.txt (elevator=) section.
-- Jens Axboe
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