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SubjectRe: [ANNOUNCE][RFC] PlugSched-6.4 for 2.6.18-rc2
Date
Peter Williams wrote:
> Al Boldi wrote:
> > Peter Williams wrote:
> >> This version removes the hard/soft CPU rate caps from the SPA
> >> schedulers.
> >>
> >> A patch for 2.6.18-rc2 is available at:
> >>
> >> <http://prdownloads.sourceforge.net/cpuse/plugsched-6.4-for-2.6.18-rc2.
> >>pat ch?download>
> >>
> >> Very Brief Documentation:
> >>
> >> 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>
> >
> > Any reason dynsched couldn't be merged with plugsched?
>
> None that I know of (but I'm not familiar with dynsched). Patches to
> add it to the mix would be accepted and once in I would try to keep it
> in step with kernel changes.

I thought dynsched patches against plugsched, what else is needed?

> >> to the boot command line where <scheduler> is one of: ingosched,
> >> ingo_ll, nicksched, staircase, spa_no_frills, spa_ws, spa_svr, spa_ebs
> >> 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
> >
> > It may be really great, to allow schedulers perPid parent, thus allowing
> > the stacking of different scheduler semantics. This could aid
> > flexibility a lot.
>
> I'm don't understand what you mean here. Could you elaborate?

i.e: Boot the kernel with spa_no_frills, then start X with spa_ws.


Thanks!

--
Al

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