|FAILURE| pw172197 [PATCH] net/mlx5/hws: add the DF bit for IPv4 hea

[dpdklab at iol.unh.edu]

Test-Label: iol-mellanox-Performance
Test-Status: FAILURE
https://dpdk.org/patch/172197

_Performance Testing issues_

Submitter: Bing Zhao <bingz at nvidia.com>
Date: Wednesday, October 28 2026 03:50:17 
DPDK git baseline: Repo:dpdk-next-net-mlx
  Branch: master
  CommitID:1c513969ca6aa0e590c90810ac6ed84e96e85caa

172197 --> performance testing issues

Upstream job id: Template-DPDK-DTS-Pipeline#29151

Test environment and result as below:

Ubuntu 24.04
Kernel: 6.8
Compiler: gcc gcc (Ubuntu 13.3.0-6ubuntu2~24.04) 13.3.0
CPU: AMD EPYC 9124 16-Core Processor 17
NIC: NVIDIA Mellanox ConnectX-7 100000 Mbps
Libc: (Ubuntu GLIBC 2.39-0ubuntu8.8) 2
Fail/Total: 0/6

Detail performance results: 
+------------+---------+----------+-------------+------------------------------+
| frame_size | txd/rxd | num_cpus | num_threads |  throughput difference from  |
|            |         |          |             |           expected           |
+============+=========+==========+=============+==============================+
| 64         | 1024    | 1        | 1           | -0.8%                        |
+------------+---------+----------+-------------+------------------------------+
| 128        | 1024    | 1        | 1           | 0.3%                         |
+------------+---------+----------+-------------+------------------------------+
| 256        | 1024    | 1        | 1           | 0.4%                         |
+------------+---------+----------+-------------+------------------------------+
| 512        | 1024    | 1        | 1           | -0.3%                        |
+------------+---------+----------+-------------+------------------------------+
| 1024       | 1024    | 1        | 1           | -0.8%                        |
+------------+---------+----------+-------------+------------------------------+
| 1518       | 1024    | 1        | 1           | -0.9%                        |
+------------+---------+----------+-------------+------------------------------+

Ubuntu 24.04
Kernel: 6.8.0-55-generic
Compiler: gcc 13.3.0
CPU: AMD EPYC 7713 64-Core Processor 1
NIC: Mellanox ConnectX-5 100000 Mbps
Libc: (Ubuntu GLIBC 2.35-0ubuntu3.14)
Fail/Total: 1/6
Failed cases list:
      - DTS https://dpdklab.iol.unh.edu/results/testcases/72/

Detail performance results: 
+------------+---------+----------+-------------+------------------------------+
| frame_size | txd/rxd | num_cpus | num_threads |  Throughput difference from  |
|            |         |          |             |           expected           |
+============+=========+==========+=============+==============================+
| 64         | 1024    | 1        | 1           | -7.9%                        |
+------------+---------+----------+-------------+------------------------------+
| 128        | 1024    | 1        | 1           | -1.0%                        |
+------------+---------+----------+-------------+------------------------------+
| 256        | 1024    | 1        | 1           | -0.1%                        |
+------------+---------+----------+-------------+------------------------------+
| 512        | 1024    | 1        | 1           | -0.1%                        |
+------------+---------+----------+-------------+------------------------------+
| 1024       | 1024    | 1        | 1           | -0.2%                        |
+------------+---------+----------+-------------+------------------------------+
| 1518       | 1024    | 1        | 1           | -1.2%                        |
+------------+---------+----------+-------------+------------------------------+

Ubuntu 24.04
Kernel: 6.8
Compiler: gcc gcc (Ubuntu 13.3.0-6ubuntu2~24.04) 13.3.0
CPU: AMD EPYC 9124 16-Core Processor 17
NIC: Mellanox ConnectX-6 Lx 25000 Mbps
Libc: (Ubuntu GLIBC 2.39-0ubuntu8.8) 2
Fail/Total: 0/6

Detail performance results: 
+------------+---------+----------+-------------+------------------------------+
| frame_size | txd/rxd | num_cpus | num_threads |  throughput difference from  |
|            |         |          |             |           expected           |
+============+=========+==========+=============+==============================+
| 64         | 1024    | 1        | 1           | 0.1%                         |
+------------+---------+----------+-------------+------------------------------+
| 128        | 1024    | 1        | 1           | -0.2%                        |
+------------+---------+----------+-------------+------------------------------+
| 256        | 1024    | 1        | 1           | -0.2%                        |
+------------+---------+----------+-------------+------------------------------+
| 512        | 1024    | 1        | 1           | -0.5%                        |
+------------+---------+----------+-------------+------------------------------+
| 1024       | 1024    | 1        | 1           | -1.4%                        |
+------------+---------+----------+-------------+------------------------------+
| 1518       | 1024    | 1        | 1           | -0.1%                        |
+------------+---------+----------+-------------+------------------------------+

To view detailed results, visit:
https://lab.dpdk.org/results/dashboard/patchsets/37566/

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