Re: PREEMPT_RT vs ADEOS: the numbers, part 1

Zwane Mwaikambo
2005-06-11T14:26:32Z

On Sat, 11 Jun 2005, Nick Piggin wrote:

> Kristian Benoit wrote:
> > For the past few weeks, we've been conducting comparison tests between
> > PREEMPT_RT and the Adeos nanokernel. As was clear from previous discussion,
> > we've been open to be proven wrong regarding endorsement of either method.
> > Hence, this comparison was done in order to better understand the impact
> > of each method vis-a-vis vanilla Linux.
> >
>
> This is wonderful data, thanks very much for putting in the work.
> I hope this thread and future threads on this topic can be steered
> more towards technical facts and numbers, as that is the only way
> to make sane choices.

I think it'd also be interesting to see results with a heavy scheduling
load (say make -jN). Not only would this clobber caches, it'd also show
possible issues regarding contention or long preemption disabled points.

Zwane