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On Tuesday 20 September 2005 18:01, Mark Knecht wrote: |
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> On 9/20/05, Billy Holmes <billy@××××××.net> wrote: |
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> > Mark Knecht wrote: |
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> > > Thanks. Yes, I've run ck-sources a few times in the past but not had |
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> > |
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> > when you run with ck-sources, others have found it's best to use |
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> > SCHED_ISO rather than SCHED_NORM (ck was patched with ISO support) - |
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> > which is like real time scheduling for users processes. From what I hear |
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> > it's easier to setup than the rt limits stuff (ie. it's automatic). |
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> > -- |
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> > gentoo-amd64@g.o mailing list |
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> |
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> Billy, |
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> Hey, thanks for the tip. IT would be great to see this run better. |
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> |
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> I'm looking around in the kernel and haven't foudn SCHED_ISO vs. |
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> SCHED_NORM. For the preemption model I chose 'Low Latency Desktop'. In |
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> the .config file I see these entries: |
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> |
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> # |
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> # IO Schedulers |
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> # |
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> CONFIG_IOSCHED_NOOP=y |
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> CONFIG_IOSCHED_AS=y |
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> CONFIG_IOSCHED_DEADLINE=y |
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> CONFIG_IOSCHED_CFQ=y |
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> |
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> Am I supposed to choose one at the command line when booting? Or can I |
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> change schedulers once the kernel is running, through /proc or |
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> something? |
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|
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These ones are schedulers for harddisk (and other IO) access. As such they are |
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not related to the task scheduling that SCHED_ISO is about. |
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|
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Paul |
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|
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-- |
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Paul de Vrieze |
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Gentoo Developer |
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Mail: pauldv@g.o |
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Homepage: http://www.devrieze.net |
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