On Tue, Mar 17, 2020 at 7:00 PM Yi Yang (杨燚)-云服务集团 wrote:
>
> By the way, with tpacket_v3, zero copy optimization and is_pmd=true, the
> performance is much better, 3.77Gbps, (3.77-1.34)/1.34 = 1.81 , i.e. 181%
> improvement, here is the performance data.
>
Can you send out the tpacket_v3 patch
On Tue, Mar 17, 2020 at 2:08 AM Yi Yang (杨燚)-云服务集团 wrote:
>
> Hi, William
>
> Finally, my highend server is available and so I can do performance
> comparison again, tpacket_v3 obviously has big performance improvement, here
> is my data. By the way, in order to get stable performance data,
On Fri, Mar 13, 2020 at 9:45 PM Yi Yang (杨燚)-云服务集团 wrote:
>
> Io_uring is a feature brought in by Linux kernel 5.1, so it can't be used on
> Linux system with kernel version < 5.1. tpacket_v3 is only one way to avoid
> system call on almost all the Linux kernel versions, it is unique from this
On Fri, Mar 13, 2020 at 05:47:54PM +0100, Ilya Maximets wrote:
> On 3/13/20 5:22 PM, William Tu wrote:
> > On Fri, Mar 13, 2020 at 8:57 AM Ben Pfaff wrote:
> >>
> >> On Fri, Mar 13, 2020 at 01:04:07AM +, Yi Yang (杨燚)-云服务集团 wrote:
> >>> Per my understanding, Ben meant a build system (which
On Fri, Mar 13, 2020 at 9:48 AM Ilya Maximets wrote:
>
> On 3/13/20 5:22 PM, William Tu wrote:
> > On Fri, Mar 13, 2020 at 8:57 AM Ben Pfaff wrote:
> >>
> >> On Fri, Mar 13, 2020 at 01:04:07AM +, Yi Yang (杨燚)-云服务集团 wrote:
> >>> Per my understanding, Ben meant a build system (which isn't
On 3/13/20 5:22 PM, William Tu wrote:
> On Fri, Mar 13, 2020 at 8:57 AM Ben Pfaff wrote:
>>
>> On Fri, Mar 13, 2020 at 01:04:07AM +, Yi Yang (杨燚)-云服务集团 wrote:
>>> Per my understanding, Ben meant a build system (which isn't Linux
>>> probably, it doesn't have include/linux/if_packet.h) should
On Fri, Mar 13, 2020 at 8:57 AM Ben Pfaff wrote:
>
> On Fri, Mar 13, 2020 at 01:04:07AM +, Yi Yang (杨燚)-云服务集团 wrote:
> > Per my understanding, Ben meant a build system (which isn't Linux
> > probably, it doesn't have include/linux/if_packet.h) should be able to
> > build tpacket_v3 code in
On Fri, Mar 13, 2020 at 01:04:07AM +, Yi Yang (杨燚)-云服务集团 wrote:
> Per my understanding, Ben meant a build system (which isn't Linux
> probably, it doesn't have include/linux/if_packet.h) should be able to
> build tpacket_v3 code in order that built-out binary can work on Linux
> system with
Hi, Ben, can you help double confirm if include/linux/if_packet.h in ovs is
necessary?
William, let me paster Ben's comments here. Original comments link is
https://mail.openvswitch.org/pipermail/ovs-dev/2020-January/367085.html.
In addition, based on the fact tpacket_v3 isn't so good
Thanks William, replies inline.
-邮件原件-
发件人: William Tu [mailto:u9012...@gmail.com]
发送时间: 2020年3月12日 1:51
收件人: Yi Yang (杨燚)-云服务集团
抄送: yang_y...@163.com; ovs-dev@openvswitch.org
主题: Re: [ovs-dev] [PATCH v6] Use TPACKET_V3 to accelerate veth for userspace
datapath
On Tue, Mar 10, 2020 at
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