Re: [ANNOUNCE][RFC] PlugSched-5.0 for 2.6.11, 2.6.12-rc4 and 2.6.12-rc4-mm2

[Peter Williams <pwil3058@bigpond.net.au>]

Søren Lott wrote:
> On Monday 23 May 2005 21:38, Peter Williams wrote:
>
> > A patch of PlugSched-5.0 (containing ingosched, nicksched, staircase,
> > spa_no_frills and zaphod CPU schedulers) against a 2.6.11 kernel is
> > available for download from:
>
>
> Does it have any documentation ?

Only that in th KConfig files. :-(

It's fairly simple really.  You can select a default scheduler at kernel 
build time.  If you wish to boot with a scheduler other than the default 
it can be selected at boot time by adding:

cpusched=<scheduler>

to the boot command line where <scheduler> is one of: ingosched, 
nicksched, staircase, spa_no_frills or zaphod.  If you don't change the 
default when you build the kernel the default scheduler will be 
ingosched (which is the normal scheduler).

The scheduler in force on a running system can be determined by the 
contents of:

/proc/scheduler

Control parameters for the scheduler can be read/set via files in:

/sys/cpusched/<scheduler>/

Peter
--
Peter Williams                                   pwil3058@bigpond.net.au

"Learning, n. The kind of ignorance distinguishing the studious."
 -- Ambrose Bierce
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