Hi. I Have installed Open vSwitch 2.9.4 with DPDK 17.11.4 on Ubuntu 14.04.5 LTD and kernel version 4.4.0-31-generic on a server A following these two links: http://docs.openvswitch.org/en/latest/intro/install/dpdk/ http://docs.openvswitch.org/en/latest/intro/install/general/#general-bootstrapping
Now, when I run TCP client via iperf from server A to another server B, I get a bandwidth of around 350Mbps on 1000Mbps link. I have not bound any ports on server A to DPDK. Please advise how can I reach bandwidth of around 1000Mbps in this setting. Is it because I need to bind physical ports in use to DPDK driver? I have tried binding the physical port to DPDK (Hot-plugging) following this link: http://docs.openvswitch.org/en/latest/topics/dpdk/phy/ #ovs-vsctl add-port OVS_BR_LEAF_0 dpdkx -- set Interface dpdkx type=dpdk options:dpdk-devargs=0000:03:02.0 Error in ovs-vswitchd.log: 2018-11-30T08:21:40.430Z|00165|dpdk|ERR|EAL: Driver cannot attach the device (0000:03:02.0) 2018-11-30T08:21:40.430Z|00166|dpdk|ERR|EAL: No port found for device (0000:03:02.0) 2018-11-30T08:21:40.430Z|00167|netdev_dpdk|WARN|Error attaching device '0000:03:02.0' to DPDK 2018-11-30T08:21:40.430Z|00168|netdev|WARN|dpdkx: could not set configuration (Invalid argument) Useful information: #uname -r 4.4.0-31-generic #cat /proc/cmdline BOOT_IMAGE=/boot/vmlinuz-4.4.0-31-generic root=UUID=286cabb9-ebd3-4b51-b1b2-8c139acb1d22 ro intel_iommu=on iommu=pt quiet splash vt.handoff=7 #cat /etc/*release DISTRIB_ID=Ubuntu DISTRIB_RELEASE=14.04 DISTRIB_CODENAME=trusty DISTRIB_DESCRIPTION="Ubuntu 14.04.5 LTS" NAME="Ubuntu" VERSION="14.04.5 LTS, Trusty Tahr" ID=ubuntu ID_LIKE=debian PRETTY_NAME="Ubuntu 14.04.5 LTS" VERSION_ID="14.04" HOME_URL="http://www.ubuntu.com/"; SUPPORT_URL="http://help.ubuntu.com/"; BUG_REPORT_URL="http://bugs.launchpad.net/ubuntu/"; #/usr/src/dpdk-stable-17.11.4/usertools/dpdk-devbind.py --status Network devices using DPDK-compatible driver ============================================ <none> Network devices using kernel driver =================================== 0000:00:19.0 'Ethernet Connection I217-LM 153a' if=eth2 drv=e1000e unused= *Active* 0000:03:02.0 'RTL8169 PCI Gigabit Ethernet Controller 8169' if=eth0 drv=r8169 unused= 0000:04:00.0 'RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller 8168' if=eth1 drv=r8169 unused= Other Network devices ===================== <none> Crypto devices using DPDK-compatible driver =========================================== <none> Crypto devices using kernel driver ================================== <none> Other Crypto devices ==================== <none> Eventdev devices using DPDK-compatible driver ============================================= <none> Eventdev devices using kernel driver ==================================== <none> Other Eventdev devices ====================== <none> Mempool devices using DPDK-compatible driver ============================================ <none> Mempool devices using kernel driver =================================== <none> Other Mempool devices ===================== <none> #grep HugePages_ /proc/meminfo HugePages_Total: 1471 HugePages_Free: 959 HugePages_Rsvd: 0 HugePages_Surp: 0 Best Regards, Ramzah Rehman
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