Re: [ovs-dev] iperf tcp issue on veth using afxdp

2019-12-23 Thread Yifeng Sun
--- > 发件人: Yifeng Sun [mailto:pkusunyif...@gmail.com] > 发送时间: 2019年12月21日 9:11 > 收件人: William Tu > 抄送: ; Ilya Maximets > ; Eelco Chaudron ; Yi Yang > (杨燚)-云服务集团 > 主题: Re: [ovs-dev] iperf tcp issue on veth using afxdp > > This seems to be related to netdev-afxdp's batch size big

Re: [ovs-dev] iperf tcp issue on veth using afxdp

2019-12-20 Thread Yifeng Sun
This seems to be related to netdev-afxdp's batch size bigger than kernel's xdp batch size. I created a patch to fix it. https://patchwork.ozlabs.org/patch/1214397/ Could anyone take a look at this patch? Thanks, Yifeng On Fri, Nov 22, 2019 at 9:52 AM William Tu wrote: > > Hi Ilya and Eelco, >

Re: [ovs-dev] iperf tcp issue on veth using afxdp

2019-11-26 Thread William Tu
On Fri, Nov 22, 2019 at 10:50 AM Ilya Maximets wrote: > > On 22.11.2019 18:51, William Tu wrote: > > Hi Ilya and Eelco, > > > > Yiyang reports very poor TCP performance on his setup and I can > > also reproduce it on my machine. Somehow I think this might be a > > kernel issue, but I don't know

Re: [ovs-dev] iperf tcp issue on veth using afxdp

2019-11-25 Thread Eelco Chaudron
On 22 Nov 2019, at 19:50, Ilya Maximets wrote: On 22.11.2019 18:51, William Tu wrote: Hi Ilya and Eelco, Yiyang reports very poor TCP performance on his setup and I can also reproduce it on my machine. Somehow I think this might be a kernel issue, but I don't know where to debug this. Need

Re: [ovs-dev] iperf tcp issue on veth using afxdp

2019-11-22 Thread Ilya Maximets
On 22.11.2019 18:51, William Tu wrote: > Hi Ilya and Eelco, > > Yiyang reports very poor TCP performance on his setup and I can > also reproduce it on my machine. Somehow I think this might be a > kernel issue, but I don't know where to debug this. Need your suggestion > about how to debug. > >

[ovs-dev] iperf tcp issue on veth using afxdp

2019-11-22 Thread William Tu
Hi Ilya and Eelco, Yiyang reports very poor TCP performance on his setup and I can also reproduce it on my machine. Somehow I think this might be a kernel issue, but I don't know where to debug this. Need your suggestion about how to debug. So the setup is like the system-traffic, creating 2