Re: Netperf TCP_RR(loopback) 10% regression in 2.6.24-rc6, comparingwith 2.6.22

From: Ilpo Järvinen
Date: Mon Jan 14 2008 - 04:21:33 EST


On Mon, 14 Jan 2008, Ilpo Järvinen wrote:

> On Fri, 11 Jan 2008, Zhang, Yanmin wrote:
>
> > On Wed, 2008-01-09 at 17:35 +0800, Zhang, Yanmin wrote:
> > >
> > > As a matter of fact, 2.6.23 has about 6% regression and 2.6.24-rc's
> > > regression is between 16%~11%.
> > >
> > > 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.

I _really_ meant 2.6.22 - 2.6.23-rc1, not 2.6.24-rc1 in case you had a
typo there which is not that uncommon while typing kernel versions... :-)

--
i.