AM335x/AM437x PRU Ethernet slowdown from kernel 4.19 -> 5.4/5.10

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    • Type: Bug
    • Resolution: Fixed
    • Priority: High
    • Linux Core SDK
    • LCPD-26694
    • 09.03
    • 11.02
    • Hide
      am335x-ice
      am437x-idk
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      am335x-ice am437x-idk

      PRU Ethernet throughput on AM335x & AM437x with the iperf test on Linux kernel 5.4 & 5.10 is just 1/3 the throughput of PRU Ethernet on Linux kernel 4.19 and earlier. This is observed on both RT Linux and regular Linux.

            Assignee:
            TI User
            Reporter:
            TI User
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              Created:
              Updated:
              Resolved:

                Connection: Intermediate to External PROD System
                EXTSYNC-4963 - AM335x/AM437x PRU Ethernet slowdown...
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