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SubjectRe: anticipatory scheduling questions
----- Original Message ----- 
> > It wasn't a typo... In fact, both deadline and AS give roughly the same
> > timings (one second up or down). But I
> > still don't understand why 2.5 is performing so much worse than 2.4.
> Me either. It's a bug.
> Does basic 2.5.63 do the same thing? Do you have a feel for when it started
> happening?

This has happened since the moment I switched from 2.4 to 2.5.63-mm1.

> > Could a "vmstat" or "iostat" dump be interesting?
> 2.4 versus 2.5 would be interesting, yes.

I have retested this with 2.4.20-2.54, 2.5.63 and 2.5.63-mm1...
and have attached the files to this message (I think pasting them
here would result in wrapping, making it harder to read).

If you need more testing or benchmarking, ask for it :-)


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