[dpdk-test-report] |FAILURE| pw62659 [PATCH] net/mlx5: control transmit doorbell register mapping

[dpdklab at iol.unh.edu]

Test-Label: iol-mellanox-Performance
Test-Status: FAILURE
http://dpdk.org/patch/62659

_Performance Testing issues_

Submitter: Viacheslav Ovsiienko <viacheslavo at mellanox.com>
Date: Thursday, November 07 2019 13:18:40 
DPDK git baseline: Repo:dpdk-next-net-mlx
  Branch: master
  CommitID:078a52797b367bf247de44650e5d1b366c35232f

62659 --> performance testing fail

Test environment and result as below:

Ubuntu 18.04
Kernel: 4.15.0-generic
GCC: 7.4
NIC: Mellanox ConnectX-5 100000 Mbps
Target: x86_64-native-linuxapp-gcc
Fail/Total: 2/6

Detail performance results: 
+------------+---------+-------------------------------------+
| frame_size | txd/rxd | throughput difference from expected |
+============+=========+=====================================+
| 64         | 256     | -3.599                              |
+------------+---------+-------------------------------------+
| 128        | 256     | -1.223                              |
+------------+---------+-------------------------------------+
| 256        | 256     | -0.540                              |
+------------+---------+-------------------------------------+
| 512        | 256     | -0.113                              |
+------------+---------+-------------------------------------+
| 1024       | 256     | 0.004                               |
+------------+---------+-------------------------------------+
| 1518       | 256     | -0.028                              |
+------------+---------+-------------------------------------+

Ubuntu 18.04
Kernel: 4.15.0-generic
GCC: 7.4
NIC: Mellanox ConnectX-4 Lx 25000 Mbps
Target: x86_64-native-linuxapp-gcc
Fail/Total: 2/6

Detail performance results: 
+------------+---------+-------------------------------------+
| frame_size | txd/rxd | throughput difference from expected |
+============+=========+=====================================+
| 64         | 256     | -1.453                              |
+------------+---------+-------------------------------------+
| 128        | 256     | -1.235                              |
+------------+---------+-------------------------------------+
| 256        | 256     | -0.016                              |
+------------+---------+-------------------------------------+
| 512        | 256     | 0.031                               |
+------------+---------+-------------------------------------+
| 1024       | 256     | -0.004                              |
+------------+---------+-------------------------------------+
| 1518       | 256     | -0.006                              |
+------------+---------+-------------------------------------+

Ubuntu 18.04
Kernel: 4.15.0-generic
GCC: 7.4
NIC: Mellanox ConnectX-4 Lx 40000 Mbps
Target: x86_64-native-linuxapp-gcc
Fail/Total: 3/6

Detail performance results: 
+------------+---------+-------------------------------------+
| frame_size | txd/rxd | throughput difference from expected |
+============+=========+=====================================+
| 64         | 256     | -2.082                              |
+------------+---------+-------------------------------------+
| 128        | 256     | -1.904                              |
+------------+---------+-------------------------------------+
| 256        | 256     | -1.298                              |
+------------+---------+-------------------------------------+
| 512        | 256     | -0.010                              |
+------------+---------+-------------------------------------+
| 1024       | 256     | 0.020                               |
+------------+---------+-------------------------------------+
| 1518       | 256     | 0.001                               |
+------------+---------+-------------------------------------+

https://lab.dpdk.org/results/dashboard/patchsets/8415/

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