Re: Netperf TCP_RR(loopback) 10% regression in2.6.24-rc6, comparing with 2.6.22

From: Zhang, Yanmin
Date: Tue Jan 15 2008 - 19:35:46 EST


On Mon, 2008-01-14 at 21:53 +1100, Herbert Xu wrote:
> On Mon, Jan 14, 2008 at 08:44:40AM +0000, Ilpo Järvinen wrote:
> >
> > > > I tried to use bisect to locate the bad patch between 2.6.22 and 2.6.23-rc1,
> > > > but the bisected kernel wasn't stable and went crazy.
> >
> > TCP work between that is very much non-existing.
>
> Make sure you haven't switched between SLAB/SLUB while testing this.
I can make sure. In addition, I tried both SLAB and SLUB and make sure the
regression is still there if CONFIG_SLAB=y.

Thanks,
-yanmin

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