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  1. Fast Datapath Product
  2. FDP-2552

Test Coverage: DPDK RX performance is dropped when there is a vhu port with no traffic(PMD usage 0%) exists on the same sibling's CPU.

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      ( ) The test coverage is aligned with the epic's acceptance criteria

      Given a system with OVS-DPDK ports pinned to specific CPU cores or siblings,

      When an idle VM vhu port coexists with an active DPDK port on the same CPU sibling,

      Then the DPDK port must keep expected throughput without significant performance degradation.

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      ( ) The test coverage is aligned with the epic's acceptance criteria Given a system with OVS-DPDK ports pinned to specific CPU cores or siblings, When an idle VM vhu port coexists with an active DPDK port on the same CPU sibling, Then the DPDK port must keep expected throughput without significant performance degradation.
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    • rhel-net-ovs-dpdk

      This task is tracking the test case writing activities to cover the bug described below.

      PDK RX perforamnce is dropped when there is a vhu port with no traffic(PMD usage 0%) exists on the same sibling's CPU.

      The issue is observed when DPDK port uses PF and VF.

      Version
      openvswitch3.1-3.1.0-73.el9fdp.x86_64

      How reproducible?
      Always.

      Reproducing step
      1. Deploy RHOSP17.1.2.
      2. On a compute node, launch a VM whose port uses the same sibling's cpus of DPDK port
      3. Shutdown the VM and confirm that the port exists on the same sibling's cpus of DPDK port.

      Reproducer is create at https://docs.google.com/presentation/d/1HItaEEN9iTcHEayv7slbxyPZ0D2OdizBHsUaPbBYmBM/edit?usp=sharing

              ovsdpdk-triage ovsdpdk triage
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                Created:
                Updated: