|FAILURE| pw166792 [PATCH] net/mlx5: revert fallback to Verbs Tx all

[dpdklab at iol.unh.edu]

Test-Label: iol-intel-Performance
Test-Status: FAILURE
https://dpdk.org/patch/166792

_Performance Testing issues_

Submitter: Thomas Monjalon <thomas at monjalon.net>
Date: Monday, July 20 2026 11:49:29 
DPDK git baseline: Repo:dpdk-next-net-mlx
  Branch: master
  CommitID:5e1f8176632db9eb7792e17eb065c8fa108da5b4

166792 --> performance testing issues

Upstream job id: Template-DPDK-DTS-Pipeline#16986

Test environment and result as below:

Ubuntu 22.04
Kernel: 5.15
Compiler: gcc gcc (Ubuntu 11.4.0-1ubuntu1~22.04.3) 11.4.0
NIC: Intel E810 100000 Mbps
Fail/Total: 2/2
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         | 512     | 1        | 1           | -18.3%                       |
+------------+---------+----------+-------------+------------------------------+
| 64         | 2048    | 1        | 1           | -29.9%                       |
+------------+---------+----------+-------------+------------------------------+

Ubuntu 24.04 LTS
Kernel: 6.8.0-44-generic
Compiler: gcc 13.2.0
NIC: Intel Corporation Ethernet Controller XL710 for 40GbE QSFP+ 40 Mbps
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         | 2048    | 1        | 1           | -5.0%                        |
+------------+---------+----------+-------------+------------------------------+
| 128        | 2048    | 1        | 1           | -11.1%                       |
+------------+---------+----------+-------------+------------------------------+
| 256        | 2048    | 1        | 1           | 1.0%                         |
+------------+---------+----------+-------------+------------------------------+
| 512        | 2048    | 1        | 1           | 3.1%                         |
+------------+---------+----------+-------------+------------------------------+
| 1024       | 2048    | 1        | 1           | 0.8%                         |
+------------+---------+----------+-------------+------------------------------+
| 1518       | 2048    | 1        | 1           | 1.2%                         |
+------------+---------+----------+-------------+------------------------------+

To view detailed results, visit:
https://lab.dpdk.org/results/dashboard/patchsets/36548/

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