Re: bad TSO performance in 2.6.9-rc2-BK

["David S. Miller" <davem@xxxxxxxxxxxxx>]

On Wed, 22 Sep 2004 16:00:00 +0200
Andi Kleen <ak@xxxxxxx> wrote:

> I tried it with rc2bk8 again and the performance is much better (22MB/s) 
> that what I got earlier with 2.6.8rc2, but still far below what 2.6.5 gets 
> on the same hardware (68MB/s) 
> 
> Both tests with netperf over e1000.

Great, please try one more thing to help me narrow this down.
Rerun your e1000 tests after going:

ethtool -K eth? tso off

and see if that gets you back to 2.6.5 era performance.

Thanks Andi.