RE: Industry db benchmark result on recent 2.6 kernels

From: Linus Torvalds
Date: Thu Mar 31 2005 - 15:06:41 EST




On Thu, 31 Mar 2005, Chen, Kenneth W wrote:
>
> No, there are no idle time on the system. If system become I/O bound, we
> would do everything we can to remove that bottleneck, i.e., throw a couple
> hundred GB of memory to the system, or add a couple hundred disk drives,
> etc. Believe it or not, we are currently CPU bound and that's the reason
> why I care about every single cpu cycle being spend in the kernel code.

Can you post oprofile data for a run? Preferably both for the "best case"
2.6.x thing (no point in comparing 2.4.x oprofiles with current) and for
"current kernel", whether that be 2.6.11 or some more recent snapshot?

Linus
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