Re: 2.6.21 -> 2.6.22 & 2.6.23-rc8 performance regression

[Andi Kleen]

On Mon, Oct 01, 2007 at 02:52:03PM +0300, Denys wrote:
> Hi
> 
> No major differences. 
> Some procedures higher a bit, some lower a bit, but everything looks fine on
> both kernels.
> 
> Thats what i tried first - oprofile, and only one keypoint i was able to catch
> - in top softirqd/0 or /1 shows usage 100% cpu, and in mpstat - soft% also
> reaching 100%. 

Then you likely just have higher load. What makes you think this
is a kernel problem?

-Andi
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