kernel performance anomoly (help)

root eric.freudenthal at nyu.edu
Thu Jun 20 06:42:13 EDT 2002


Note that we see this slowdown for any 2.4 kernel we build, even without
click.   Redhat's kernels have fine performance.

Eric


Eddie Kohler wrote:

> > Well, I've seen also performance problems with 2.4.9, see
> > http://www.pdos.lcs.mit.edu/click/ml/click/msg00977.html
> > so I'm still sticking to 2.2.19.
>
> Does anyone have any idea what is causing this 2.4 slowdown?
>
> For instance, is _interrupting_ Click slower on 2.4 than on 2.2?
> Or is it likely to be a polling-driver issue?
>
> Eddie




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