Steven Rostedt wrote:
> Ingo,
>
> 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.
>
> -- Steve
>
This drastically improves performance on my slower uniprocessor system.
2.6.15-rc5-rt2 still doesn't boot on my dual 933 box, with or without
this patch. I will try to dig into that a bit more today.
--
kr
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