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SubjectRe: Strange performance behavior of 2.4.0-test9
> > 	8cpu	2193 	|  5 	8 	22114 	94609 	 9 	52 	39 
> ^^^^^
>
> This is pretty insane and is definately a bug which should
> be fixed. I'll search the source for "suspicious" changes
> and try to come up with a patch you can test.
>
> (unfortunately I don't have anything bigger than a dual CPU
> test machine here, so I won't be able to test it here ;( )

you don't need a big machine: my BP6 sometimes hits 53000 cs/second.
you also don't need SMP: just "dd if=/dev/zero of=file" while
doing "vmstat 1"...

bdflush is pretty badly broken.

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