Re: 2.6.15-rc5-rt2 slowness

Ingo Molnar
2005-12-20T13:33:06Z

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

> I ported your old changes of 2.6.14-rt22 of mm/slab.c to
> 2.6.15-rc5-rt2 and tried it out. I believe that this confirms that
> the SLOB _is_ the problem in the slowness. Booting with this slab
> patch, gives the old speeds that we use to have.
>
> 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
...

Ingo