Às 10:20 AM de 3/23/2017, Corentin Labbe escreveu: > On Thu, Mar 23, 2017 at 10:12:18AM +0000, Joao Pinto wrote: >> >> Hi Corentin, >> >> Às 10:08 AM de 3/23/2017, Corentin Labbe escreveu: >>> Hello >>> >>> Using next-20170323 produce a huge performance regression on my sunxi >>> boards. >>> On dwmac-sun8i, iperf goes from 94mbs/s to 37 when sending. >>> >>> On cubieboard2(dwmac-sunxi), iperf made the kernel flood with >>> "ndesc_get_rx_status: Oversized frame spanned multiple buffers" >>> and network is lost after. >>> >>> Reverting aff3d9eff84399e433c4aca65a9bb236581bc082 fix the issue. >>> I still try to found which part of this patch mades the performance lower. >>> >>> Regards >>> Corentin Labbe >>> >> >> I have a 4.21 QoS Core with 4 RX + 4 TX and detected no regression. >> Could you please share the iperf cmds you are using in order for me to >> reproduce >> in my side? > > simple iperf -c serverip for both board >
Ok, I am going to run my tests with a fresh net-next and come back to you soon. Thanks, Joao