Re: commit 6dccd16b7c2703e8bbf8bca62b5cf248332afbe2 kills r8169 sendperformance

From: Timo Jantunen
Date: Thu Sep 27 2007 - 12:09:58 EST


On Wed, 26 Sep 2007, Francois Romieu wrote:

> Apply and try each patch of the attached tarball on top of 2.6.23-git
> until the behavior changes (assuming it does).
>
> Patch #000n applies on top of patch #000(n - 1).

I tested the series on top of -rc8 and 0005 did the trick. And if I use
0005 only, I can get 93MB/s send and 97MB/s receive, so there is a nice
increase on send too since .22!


iperf numbers (send/receive):

revert.0001:[ 4] 0.0-10.1 sec 234 MBytes 194 Mbits/sec
revert.0001:[ 5] 0.0-10.0 sec 445 MBytes 373 Mbits/sec

revert.0002:[ 5] 0.0-10.0 sec 325 MBytes 272 Mbits/sec
revert.0002:[ 4] 0.0-10.1 sec 969 MBytes 802 Mbits/sec

revert.0003:[ 4] 0.0-10.1 sec 328 MBytes 272 Mbits/sec
revert.0003:[ 5] 0.0-10.0 sec 742 MBytes 622 Mbits/sec

revert.0004:[ 4] 0.0-10.2 sec 329 MBytes 271 Mbits/sec
revert.0004:[ 5] 0.0-10.0 sec 759 MBytes 637 Mbits/sec

revert.0005:[ 4] 0.0-10.1 sec 829 MBytes 691 Mbits/sec
revert.0005:[ 5] 0.0-10.0 sec 772 MBytes 647 Mbits/sec

revert.0005-only:[ 5] 0.0-10.0 sec 933 MBytes 780 Mbits/sec
revert.0005-only:[ 4] 0.0-10.1 sec 970 MBytes 806 Mbits/sec



//T


> Good night.


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