On 10/23/2018 1:02 PM, mehmetyaren wrote:
Hi,
We want to send 40 Gbit traffic with t-rex traffic generator, we are
using 40 Gbit supported DPDK NIC, but when we generate traffic as 40
Gbit, it can not transmit all traffics just 10 Gbit traffic is
transmitted by DPDK NIC. We are using Open vSwitch 2.10.0 version and
DPDK 17.11.2 version.
What type of NICs are being used in your setup?
We made some configuration to increasing core number for dpdk ports with
below commands;
ovs-vsctl set interface dpdk0 options:n_rxq=4
other_config:pmd-rxq-affinity="0:0,1:1,2:2,3:3"
ovs-vsctl set interface dpdk1 options:n_rxq=4
other_config:pmd-rxq-affinity="0:4,1:5,2:6,3:7"
And we have seen all pmd capacities are not used by dpdk ports as seen
below results;
sudo ovs-appctl dpif-netdev/pmd-rxq-show pmd thread numa_id 0 core_id 0:
isolated : true
port: dpdk0 queue-id: 0 pmd usage: 19 %
pmd thread numa_id 1 core_id 1:
isolated : true
port: dpdk0 queue-id: 1 pmd usage: 20 %
pmd thread numa_id 0 core_id 2:
isolated : true
port: dpdk0 queue-id: 2 pmd usage: 20 %
pmd thread numa_id 1 core_id 3:
isolated : true
port: dpdk0 queue-id: 3 pmd usage: 21 %
pmd thread numa_id 0 core_id 4:
isolated : true
port: dpdk1 queue-id: 0 pmd usage: 13 %
pmd thread numa_id 1 core_id 5:
isolated : true
port: dpdk1 queue-id: 1 pmd usage: 13 %
pmd thread numa_id 0 core_id 6:
isolated : true
port: dpdk1 queue-id: 2 pmd usage: 13 %
pmd thread numa_id 1 core_id 7:
isolated : true
port: dpdk1 queue-id: 3 pmd usage: 15 %
Can you provide more information regarding the test setup? I assume it's
simple hair pin tests (phy to phy).
What flow rules are you using?
Regards
Ian
Can anyone help me ?
Mehmet.
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