Re: [STATUS 2.5] July 10, 2002

[Alan Cox]

> Why was the rate incremented to maintain interactive performance?  Wasn't
> that the whole idea of the pre-empt work?  Does the burden of pre-empt
> actually require this?

Bizarrely in many cases it increases throughput

> It seems that the added inefficiency of these extra interrupts is going to
> drag performance down.

Sometimes - Beowulf folks already sometimes hack the clock down to 20Hz or
less. This is best approached on sane hardware by extending the S/390 stuff
for no regular ticks.