Some stuff came up and I was unable to focus on this bug for a while,
but it's gone as of 2.6.26. Performance is comparable to 2.6.23 once
again, maybe a bit better in places.

On Mon, 21 Apr 2008 17:53:42 +0200, "Ingo Molnar" <mingo@elte.hu> said:
quoted text
> 
> * Kai <epimetreus@fastmail.fm> wrote:
> 
> > I did, however, test it on 2.6.25-rc8, and attached is the output of 
> > cfs-debug-info.sh
> 
> your vmstat:
> 
> -- vmstat: 
> --procs -----------memory---------- ---swap-- -----io---- -system--
> ----cpu----
>  r  b   swpd   free   buff  cache   si   so    bi    bo   in   cs us sy
>  id wa
>  3  0      0 870540    340 746184    0    0   952   137  198 4752 21 12
>  60  7
>  1  0      0 870952    340 746320    0    0   128     0  356 17723 28 23
>  50  0
>  1  0      0 872224    340 746320    0    0     0    21  394 18066 30 20
>  50  0
>  1  0      0 872244    340 746320    0    0     0     0  353 17987 29 22
>  50  0
>  1  0      0 871416    340 746320    0    0     0     0  392 17971 28 22
>  50  0
> 
> suggests that there's a constant 50% idle time. Probably one core 
> running X and the client, the other core staying idle?
> 
> 	Ingo
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