Re: 2.6.0 performance problems

From: Linus Torvalds
Date: Tue Dec 30 2003 - 13:21:23 EST




On Tue, 30 Dec 2003, Thomas Molina wrote:
>
> attachment two is the result of:
> opreport -l vmlinux > vmlinux.txt

Are you sure you used the right vmlinux binary? Some of this looks
pretty strange (module_text_address? Whaa?).

However, it also seems to point out that you have SLAB debugging with
poisoning enabled. That will absolutely _kill_ your performance, and could
easily explain part of the degradation.

Linus
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