_Performance Testing PASS_

Branch: dpdk-next-net-intel

28ff3d6a32ce08229ee485f66cf481cf97a32605 --> performance testing pass

Test environment and result as below:

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: 0/6

Detail performance results: 
+------------+---------+-------------------------------------+
| frame_size | txd/rxd | throughput difference from expected |
+============+=========+=====================================+
| 64         | 256     | 31.844                              |
+------------+---------+-------------------------------------+
| 128        | 256     | 32.963                              |
+------------+---------+-------------------------------------+
| 256        | 256     | 28.044                              |
+------------+---------+-------------------------------------+
| 512        | 256     | 18.740                              |
+------------+---------+-------------------------------------+
| 1024       | 256     | 9.549                               |
+------------+---------+-------------------------------------+
| 1518       | 256     | 6.484                               |
+------------+---------+-------------------------------------+

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: 0/6

Detail performance results: 
+------------+---------+-------------------------------------+
| frame_size | txd/rxd | throughput difference from expected |
+============+=========+=====================================+
| 64         | 256     | 28.603                              |
+------------+---------+-------------------------------------+
| 128        | 256     | 28.724                              |
+------------+---------+-------------------------------------+
| 256        | 256     | 19.338                              |
+------------+---------+-------------------------------------+
| 512        | 256     | 11.721                              |
+------------+---------+-------------------------------------+
| 1024       | 256     | 5.969                               |
+------------+---------+-------------------------------------+
| 1518       | 256     | 4.048                               |
+------------+---------+-------------------------------------+

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: 0/6

Detail performance results: 
+------------+---------+-------------------------------------+
| frame_size | txd/rxd | throughput difference from expected |
+============+=========+=====================================+
| 64         | 256     | -0.009                              |
+------------+---------+-------------------------------------+
| 128        | 256     | -0.159                              |
+------------+---------+-------------------------------------+
| 256        | 256     | -0.259                              |
+------------+---------+-------------------------------------+
| 512        | 256     | -0.174                              |
+------------+---------+-------------------------------------+
| 1024       | 256     | 0.014                               |
+------------+---------+-------------------------------------+
| 1518       | 256     | 0.017                               |
+------------+---------+-------------------------------------+

https://lab.dpdk.org/results/dashboard/tarballs/5659/

UNH-IOL DPDK Performance Test Lab

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