|FAILURE| pw125173-125174 [PATCH] [v5, 2/2] eal: fix failure path race setting new thread affinity

[dpdklab at iol.unh.edu]

Test-Label: iol-intel-Performance
Test-Status: FAILURE
http://dpdk.org/patch/125174

_Performance Testing issues_

Submitter: Tyler Retzlaff <roretzla at linux.microsoft.com>
Date: Thursday, March 16 2023 00:07:04 
DPDK git baseline: Repo:dpdk
  Branch: master
  CommitID:8c9bfcb1553d756eb5392a56ac7813b3865c3ec7

125173-125174 --> performance testing fail

Test environment and result as below:

Ubuntu 20.04
Kernel: 4.15.0-generic
Compiler: gcc 7.4
NIC: Intel Corporation Ethernet Converged Network Adapter XL710-QDA2 40000 Mbps
Target: x86_64-native-linuxapp-gcc
Fail/Total: 0/4

Detail performance results: 
+----------+-------------+---------+------------+------------------------------+
| num_cpus | num_threads | txd/rxd | frame_size |  throughput difference from  |
|          |             |         |            |           expected           |
+==========+=============+=========+============+==============================+
| 1        | 2           | 512     | 64         | 1.1%                         |
+----------+-------------+---------+------------+------------------------------+
| 1        | 2           | 2048    | 64         | 1.2%                         |
+----------+-------------+---------+------------+------------------------------+
| 1        | 1           | 512     | 64         | -0.5%                        |
+----------+-------------+---------+------------+------------------------------+
| 1        | 1           | 2048    | 64         | -0.6%                        |
+----------+-------------+---------+------------+------------------------------+

Arm Ampere Altra - Ubuntu 20.04.4
Kernel: 5.4.0-137-generic aarch64
Compiler: gcc 9.4
NIC: Intel Corporation Ethernet Converged Network Adapter XL710-QDA2 40000 Mbps
Target: x86_64-native-linuxapp-gcc
Fail/Total: 1/2

Detail performance results: 
+------------+---------+----------+-------------+------------------------------+
| frame_size | txd/rxd | num_cpus | num_threads |  throughput difference from  |
|            |         |          |             |           expected           |
+============+=========+==========+=============+==============================+
| 64         | 512     | 1        | 1           | 0.6%                         |
+------------+---------+----------+-------------+------------------------------+
| 64         | 2048    | 1        | 1           | -5.7%                        |
+------------+---------+----------+-------------+------------------------------+

To view detailed results, visit:
https://lab.dpdk.org/results/dashboard/patchsets/25751/

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