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SubjectRe: Performance versus FreeBSD 7.0
> I think since the mmap_sem madvise problem was solved, the kernel
> didn't really have any further problems with this workload.

Good.

> It is doing a lot of context switches, no IO, and not a lot of

Yes sysbench is a pretty poor benchmark i think, especially
on systems with a lot of cores. I ran into this on some of my
own testing too. I don't think it makes too much
sense to tune for it seriously, but of course it doesn't hurt
when Linux does well on it anyways.

-Andi


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