RE: Discrepancies between Oprofile and vmstat II

From: Styner, Douglas W
Date: Mon Apr 27 2009 - 18:36:16 EST


>
>You mean "with higher value", right ?

Right. Higher number of samples; lower count value. I'm going to try it the other way as well (count value = 200000)

>
>It's still strange that it suddenly changed in 2.6.27 though. There
>shouldn't have been
>a difference there. So I still think it's a regression.
>

We only first saw it in 2.6.27. It is possible that it goes back to 2.6.26 or 2.6.25. We have not confirmed those kernels.

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