QDMA DPDK Performance
=====================
Refer to QDMA_Performance_Answer_Record_ for detailed performance results and test environment.

.. _QDMA_Performance_Answer_Record: https://www.xilinx.com/support/answers/71453.html

Xilinx DPDK-Pktgen Extension Command-line Options
-------------------------------------------------

Xilinx provided -9 and -w command-line options used for performance measurement.

To enable -9 and -w command-line options found in performance AR71453, apply the pktgen patch file based on DPDK version to your DPDK Driver.

Refer to :ref:`sw_dpdk` for the details of each DPDK version pktgen patch files.

Below Table describes the Command-line Options usecase.

+------------------+-----------------------------------------------------------+
| Command-line     | Description                                               |
+==================+===========================================================+
| -9               | The '-9' option is the extension added by Xilinx to enable|
|                  | dpdk-pktgen to support  packet sizes beyond 1518 bytes.   |
|                  | The dpdk-pktgen Application was also modified to disable  |
|                  | the Packet Classification.                                |
+------------------+-----------------------------------------------------------+
| -w               | The '-w' EAL option is specified to enable or disable     |
|                  | prefetch and to change the completion descriptor length.  |
+------------------+-----------------------------------------------------------+