[dpdk-dev] Very low performance with l2fwd in a VM with PCI Passthrough

tting up the VM to use VFs > are covered by section 9.2 Thanks a lot. This helped me out. Surya From: Richardson, Bruce Sent: Friday, March 7, 2014 1:27 AM To: Surya Nimmagadda; dev at dpdk.org Subject: RE: [dpdk-dev] Very low performance with l2fwd i

[dpdk-dev] Very low performance with l2fwd in a VM with PCI Passthrough

> My setup details are > > - Traffic coming in on a 10G interface(eth0) and going out on another 10G > interface(eth1) > - Both 10G NICs are 82599 > - Created virtual functions eth5 and eth8 on eth0 and eth1 respectively > - eth5 and eth8 are mapped to eth0 and eth1 in a VM, with device type as >

[dpdk-dev] Very low performance with l2fwd in a VM with PCI Passthrough

When change the device emulation in the NIC to virtio, I could get 900mbps when sending 1g of input. Good so far. But when I increased the traffic rate to 10g, output became very turbulent - ranging from 0 to 150mbps. I tried rate limiting on the vfs using the following commands, but didnt help

[dpdk-dev] Very low performance with l2fwd in a VM with PCI Passthrough

Hi, I am seeing very low throughput when I run l2fwd in a VM. When I send 1g data, I could see only about 10mbps of traffic being received by the VM. I dont see this problem when running l2fwd on the host. I could get 10gbps traffic in and out of both the ports. My setup details are - Traf