_Performance Testing PASS_

Branch: dpdk-next-net-mlx

bb041510e4252c8b86929d562eb17caa1364f202 --> 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     | -0.22323%                           |
+------------+---------+-------------------------------------+
| 128        | 256     | 0.3291%                             |
+------------+---------+-------------------------------------+
| 256        | 256     | -0.03509%                           |
+------------+---------+-------------------------------------+
| 512        | 256     | -0.40392%                           |
+------------+---------+-------------------------------------+
| 1024       | 256     | -1.33378%                           |
+------------+---------+-------------------------------------+
| 1518       | 256     | 0.21171%                            |
+------------+---------+-------------------------------------+

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     | 0.6247%                             |
+------------+---------+-------------------------------------+
| 128        | 256     | -0.01147%                           |
+------------+---------+-------------------------------------+
| 256        | 256     | -0.26627%                           |
+------------+---------+-------------------------------------+
| 512        | 256     | -0.29229%                           |
+------------+---------+-------------------------------------+
| 1024       | 256     | 0.17786%                            |
+------------+---------+-------------------------------------+
| 1518       | 256     | 0.07712%                            |
+------------+---------+-------------------------------------+

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     | 0.71844%                            |
+------------+---------+-------------------------------------+
| 128        | 256     | -0.06905%                           |
+------------+---------+-------------------------------------+
| 256        | 256     | -2.02723%                           |
+------------+---------+-------------------------------------+
| 512        | 256     | 0.24028%                            |
+------------+---------+-------------------------------------+
| 1024       | 256     | -0.23384%                           |
+------------+---------+-------------------------------------+
| 1518       | 256     | -0.07396%                           |
+------------+---------+-------------------------------------+

To view detailed results, visit:
https://lab.dpdk.org/results/dashboard/tarballs/15019/

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