_Performance Testing PASS_

Branch: dpdk-next-net-intel

56ba91b7bab28d77c3595a31eb5e592fdd2be040 --> performance testing pass

Test environment and result as below:

Ubuntu 16.04
Kernel: 4.4.0-109-generic
GCC: 5.4.0-6ubuntu1~16.04.6
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     | 26.816                              |
+------------+---------+-------------------------------------+
| 128        | 256     | 26.427                              |
+------------+---------+-------------------------------------+
| 256        | 256     | 24.729                              |
+------------+---------+-------------------------------------+
| 512        | 256     | 18.784                              |
+------------+---------+-------------------------------------+
| 1024       | 256     | 9.582                               |
+------------+---------+-------------------------------------+
| 1518       | 256     | 6.501                               |
+------------+---------+-------------------------------------+

Ubuntu 16.04
Kernel: 4.4.0-109-generic
GCC: 5.4.0-6ubuntu1~16.04.6
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     | 56.094                              |
+------------+---------+-------------------------------------+
| 128        | 256     | 50.627                              |
+------------+---------+-------------------------------------+
| 256        | 256     | 38.029                              |
+------------+---------+-------------------------------------+
| 512        | 256     | 22.182                              |
+------------+---------+-------------------------------------+
| 1024       | 256     | 11.513                              |
+------------+---------+-------------------------------------+
| 1518       | 256     | 8.551                               |
+------------+---------+-------------------------------------+

Ubuntu 16.04
Kernel: 4.4.0-109-generic
GCC: 5.4.0-6ubuntu1~16.04.6
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     | 28.483                              |
+------------+---------+-------------------------------------+
| 128        | 256     | 25.548                              |
+------------+---------+-------------------------------------+
| 256        | 256     | 19.200                              |
+------------+---------+-------------------------------------+
| 512        | 256     | 11.740                              |
+------------+---------+-------------------------------------+
| 1024       | 256     | 5.999                               |
+------------+---------+-------------------------------------+
| 1518       | 256     | 4.061                               |
+------------+---------+-------------------------------------+

https://lab.dpdk.org/results/dashboard/tarballs/4248/

UNH-IOL DPDK Performance Test Lab