_Performance Testing PASS_

Branch: dpdk-next-net

162bffce982e5041bfb2043c753252a2298cf159 --> 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     | 0.817                               |
+------------+---------+-------------------------------------+
| 128        | 256     | 0.743                               |
+------------+---------+-------------------------------------+
| 256        | 256     | -0.219                              |
+------------+---------+-------------------------------------+
| 512        | 256     | 0.007                               |
+------------+---------+-------------------------------------+
| 1024       | 256     | -0.002                              |
+------------+---------+-------------------------------------+
| 1518       | 256     | 0.007                               |
+------------+---------+-------------------------------------+

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     | 0.286                               |
+------------+---------+-------------------------------------+
| 128        | 256     | 0.251                               |
+------------+---------+-------------------------------------+
| 256        | 256     | -0.002                              |
+------------+---------+-------------------------------------+
| 512        | 256     | 0.012                               |
+------------+---------+-------------------------------------+
| 1024       | 256     | -0.004                              |
+------------+---------+-------------------------------------+
| 1518       | 256     | 0.004                               |
+------------+---------+-------------------------------------+

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     | -0.077                              |
+------------+---------+-------------------------------------+
| 128        | 256     | -0.140                              |
+------------+---------+-------------------------------------+
| 256        | 256     | 0                                   |
+------------+---------+-------------------------------------+
| 512        | 256     | -0.049                              |
+------------+---------+-------------------------------------+
| 1024       | 256     | -0.040                              |
+------------+---------+-------------------------------------+
| 1518       | 256     | -0.006                              |
+------------+---------+-------------------------------------+

https://lab.dpdk.org/results/dashboard/tarballs/6306/

UNH-IOL DPDK Performance Test Lab

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