Re: [2.4.17/18pre] VM and swap - it's really unusable

From: Jamie Lokier (lk@tantalophile.demon.co.uk)
Date: Fri Jan 25 2002 - 21:36:58 EST


yodaiken@fsmlabs.com wrote:
> > > It has no demonstrated benefits.
> >
> > Demonstrated to who? I have certainly demonstrated the benefits to
> > myself, and others have attested to doing the same.
>
> I've heard similar arguments in favor of aromatherapy and Scientology.
>
> What's amazing about all the arguments in favor of preemption is that we
> don't see any published numbers of the obvious application: a periodic
> SCHED_FIFO process. We've done these experiments and the results are
> _dismal_.

Hi Victor,

I am specifically interested in SCHED_FIFO performance (for a software
modem driver). Can you publish thes results of yours of SCHED_FIFO
performance with & without the preempt patches?

Thanks,
-- Jamie
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