_Performance Testing PASS_

Branch: dpdk-next-net

3197a137145ec7d001519b31b0ae60d40d57102b --> performance testing pass

Test environment and result as below:

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     | 0.178                               |
+------------+---------+-------------------------------------+
| 128        | 256     | -0.052                              |
+------------+---------+-------------------------------------+
| 256        | 256     | 0.187                               |
+------------+---------+-------------------------------------+
| 512        | 256     | 0.038                               |
+------------+---------+-------------------------------------+
| 1024       | 256     | 0.091                               |
+------------+---------+-------------------------------------+
| 1518       | 256     | 0.001                               |
+------------+---------+-------------------------------------+

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     | -0.323                              |
+------------+---------+-------------------------------------+
| 128        | 256     | -0.010                              |
+------------+---------+-------------------------------------+
| 256        | 256     | 0.084                               |
+------------+---------+-------------------------------------+
| 512        | 256     | -0.037                              |
+------------+---------+-------------------------------------+
| 1024       | 256     | 0.024                               |
+------------+---------+-------------------------------------+
| 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     | -0.250                              |
+------------+---------+-------------------------------------+
| 128        | 256     | -0.343                              |
+------------+---------+-------------------------------------+
| 256        | 256     | -0.287                              |
+------------+---------+-------------------------------------+
| 512        | 256     | 0.003                               |
+------------+---------+-------------------------------------+
| 1024       | 256     | 0.002                               |
+------------+---------+-------------------------------------+
| 1518       | 256     | 0.011                               |
+------------+---------+-------------------------------------+

To view detailed results, visit:
https://lab.dpdk.org/results/dashboard/tarballs/12364/

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