_Performance Testing PASS_

Branch: dpdk-next-net

5cbb122745d3db0f3686844cab2db59ffa44b07c --> performance testing pass

Test environment and result as below:

Ubuntu 18.04
Kernel: 4.15.0-generic
Compiler: gcc 7.4
NIC: Mellanox ConnectX-4 Lx 25000 Mbps
Target: x86_64-native-linuxapp-gcc
Fail/Total: 0/6

Detail performance results: 
+------------+---------+-------------------------------------+
| frame_size | txd/rxd | throughput difference from expected |
+============+=========+=====================================+
| 64         | 256     | 0.024                               |
+------------+---------+-------------------------------------+
| 128        | 256     | 0.291                               |
+------------+---------+-------------------------------------+
| 256        | 256     | 0.037                               |
+------------+---------+-------------------------------------+
| 512        | 256     | 0.027                               |
+------------+---------+-------------------------------------+
| 1024       | 256     | -0.007                              |
+------------+---------+-------------------------------------+
| 1518       | 256     | -0.001                              |
+------------+---------+-------------------------------------+

Ubuntu 18.04
Kernel: 4.15.0-generic
Compiler: gcc 7.4
NIC: Mellanox ConnectX-5 100000 Mbps
Target: x86_64-native-linuxapp-gcc
Fail/Total: 0/6

Detail performance results: 
+------------+---------+-------------------------------------+
| frame_size | txd/rxd | throughput difference from expected |
+============+=========+=====================================+
| 64         | 256     | 0.694                               |
+------------+---------+-------------------------------------+
| 128        | 256     | 0.423                               |
+------------+---------+-------------------------------------+
| 256        | 256     | 0.169                               |
+------------+---------+-------------------------------------+
| 512        | 256     | -0.052                              |
+------------+---------+-------------------------------------+
| 1024       | 256     | 0.122                               |
+------------+---------+-------------------------------------+
| 1518       | 256     | -0.005                              |
+------------+---------+-------------------------------------+

Ubuntu 18.04
Kernel: 4.15.0-generic
Compiler: gcc 7.4
NIC: Mellanox ConnectX-4 Lx 40000 Mbps
Target: x86_64-native-linuxapp-gcc
Fail/Total: 0/6

Detail performance results: 
+------------+---------+-------------------------------------+
| frame_size | txd/rxd | throughput difference from expected |
+============+=========+=====================================+
| 64         | 256     | -0.059                              |
+------------+---------+-------------------------------------+
| 128        | 256     | -0.097                              |
+------------+---------+-------------------------------------+
| 256        | 256     | 0.225                               |
+------------+---------+-------------------------------------+
| 512        | 256     | -0.004                              |
+------------+---------+-------------------------------------+
| 1024       | 256     | -0.003                              |
+------------+---------+-------------------------------------+
| 1518       | 256     | -0.019                              |
+------------+---------+-------------------------------------+

To view detailed results, visit:
https://lab.dpdk.org/results/dashboard/tarballs/8719/

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