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