Re: 2.6.15-rc5-rt2 slowness

Ingo Molnar
2005-12-20T13:58:09Z

* Steven Rostedt <rostedt@goodmis.org> wrote:

> > > Now, is the solution to bring the SLOB up to par with the SLAB, or to
> > > make the SLAB as close to possible to the mainline (why remove NUMA?)
> > > and keep it for PREEMPT_RT?
> > >
> > > Below is the port of the slab changes if anyone else would like to see
> > > if this speeds things up for them.
> >
> > ok, i've added this back in - but we really need a cleaner port of SLAB
> > ...
> >
>
> Actually, how much do you want that SLOB code? For the last couple of
> days I've been working on different approaches that can speed it up.
> Right now I have one that takes advantage of the different caches.
> But unfortunately, I'm dealing with a bad pointer some where that
> keeps making it bug. Argh!

well, the SLOB is mainly about being simple and small. So as long as
those speedups are SMP-only, they ought to be fine. The problems are
mainly SMP related, correct?

Ingo