|FAILURE| pw168277-168296 [PATCH] [v12,20/20] vfio: introduce cdev m

[dpdklab at iol.unh.edu]

Test-Label: iol-intel-Performance
Test-Status: FAILURE
https://dpdk.org/patch/168296

_Performance Testing issues_

Submitter: Burakov, Anatoly <anatoly.burakov at intel.com>
Date: Tuesday, August 25 2026 13:21:17 
DPDK git baseline: Repo:dpdk
  Branch: master
  CommitID:d55ccd4e6de64e3f797f60de9e81f1d60f849775

168277-168296 --> performance testing issues

Upstream job id: Template-DPDK-DTS-Pipeline#20403

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
CPU: Intel(R) Xeon(R) Platinum 8360Y CPU @ 2.40GHz 106
NIC: Intel E810 100000 Mbps
Libc: (Ubuntu GLIBC 2.35-0ubuntu3.14)
Fail/Total: 0/2

Detail performance results: 
+------------+---------+----------+-------------+------------------------------+
| frame_size | txd/rxd | num_cpus | num_threads |  throughput difference from  |
|            |         |          |             |           expected           |
+============+=========+==========+=============+==============================+
| 64         | 512     | 1        | 1           | 6.1%                         |
+------------+---------+----------+-------------+------------------------------+
| 64         | 2048    | 1        | 1           | 1.3%                         |
+------------+---------+----------+-------------+------------------------------+

Ubuntu 24.04 LTS
Kernel: 6.8.0-44-generic
Compiler: gcc 13.2.0
CPU: Intel(R) Xeon(R) Gold 5415+ 143
NIC: Intel Corporation Ethernet Controller XL710 for 40GbE QSFP+ 40 Mbps
Libc: (Ubuntu GLIBC 2.39-0ubuntu8.8) 2
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           | -7.2%                        |
+------------+---------+----------+-------------+------------------------------+
| 128        | 2048    | 1        | 1           | -0.8%                        |
+------------+---------+----------+-------------+------------------------------+
| 256        | 2048    | 1        | 1           | 0.1%                         |
+------------+---------+----------+-------------+------------------------------+
| 512        | 2048    | 1        | 1           | 0.5%                         |
+------------+---------+----------+-------------+------------------------------+
| 1024       | 2048    | 1        | 1           | 0.0%                         |
+------------+---------+----------+-------------+------------------------------+
| 1518       | 2048    | 1        | 1           | 0.4%                         |
+------------+---------+----------+-------------+------------------------------+

To view detailed results, visit:
https://lab.dpdk.org/results/dashboard/patchsets/36827/

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