On Wed, 2 Sep 2015 22:18:27 +0000 Ale Mansoor <mansooraa at hotmail.com> wrote:
> Getting less than 100 packets per second throughput between VF's under my > Fedora FC20 VM running under ESXi 6.0 with DPDK l2fwd (Used as ./l2fwd -c 0xf > -n 4 -- -p 0x3 -T 1) That is many orders of magnitude less than expected. > Questions: > --------------- > > Q1) Is DPDK + SRIOV under ESXi supposed to use the igb_uio driver or the > vfio-pci driver inside Linux guest os ? You have to use igb_uio, there is no emulated IOMMU in ESX > Q2) What is the expected l2fwd performance when running DPDK under the Linux > guest OS under ESXI with SRIOV ? Depends on many things. With SRIOV you should reach 10Mpps or more. Did you try running Linux on baremetal on same hardware first? > Q3) Any idea what may be preventing vfio-pci driver from binding to the VF's > inside the guest instance ? vfio-pci needs IOMMU which is not available in guest. > Q4) Why is igb_uio performing so poorly ? Don't blame igb_uio. It is probably something in system or vmware.
