_Performance Testing PASS_

Branch: dpdk-next-net

9d21f7b2c1b6c4b4df5329772440229d274002ed --> 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     | 0.096                               |
+------------+---------+-------------------------------------+
| 128        | 256     | 0.183                               |
+------------+---------+-------------------------------------+
| 256        | 256     | -0.086                              |
+------------+---------+-------------------------------------+
| 512        | 256     | 0.332                               |
+------------+---------+-------------------------------------+
| 1024       | 256     | 0.064                               |
+------------+---------+-------------------------------------+
| 1518       | 256     | -0.005                              |
+------------+---------+-------------------------------------+

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     | -0.121                              |
+------------+---------+-------------------------------------+
| 128        | 256     | 0.075                               |
+------------+---------+-------------------------------------+
| 256        | 256     | 0.186                               |
+------------+---------+-------------------------------------+
| 512        | 256     | -0.002                              |
+------------+---------+-------------------------------------+
| 1024       | 256     | -0.003                              |
+------------+---------+-------------------------------------+
| 1518       | 256     | -0.006                              |
+------------+---------+-------------------------------------+

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     | 0.122                               |
+------------+---------+-------------------------------------+
| 128        | 256     | 0.083                               |
+------------+---------+-------------------------------------+
| 256        | 256     | -0.674                              |
+------------+---------+-------------------------------------+
| 512        | 256     | 0.060                               |
+------------+---------+-------------------------------------+
| 1024       | 256     | 0.005                               |
+------------+---------+-------------------------------------+
| 1518       | 256     | 0.014                               |
+------------+---------+-------------------------------------+

To view detailed results, visit:
https://lab.dpdk.org/results/dashboard/tarballs/12172/

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