_Performance Testing PASS_

Branch: dpdk-next-net

30b60f70b04f2a3b3eb073cc7a950e14e449ded0 --> performance testing pass

Test environment and result as below:

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     | -0.013                              |
+------------+---------+-------------------------------------+
| 128        | 256     | -0.063                              |
+------------+---------+-------------------------------------+
| 256        | 256     | 0.149                               |
+------------+---------+-------------------------------------+
| 512        | 256     | 0.018                               |
+------------+---------+-------------------------------------+
| 1024       | 256     | -0.016                              |
+------------+---------+-------------------------------------+
| 1518       | 256     | -0.005                              |
+------------+---------+-------------------------------------+

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     | 0.195                               |
+------------+---------+-------------------------------------+
| 128        | 256     | 0.384                               |
+------------+---------+-------------------------------------+
| 256        | 256     | -0.151                              |
+------------+---------+-------------------------------------+
| 512        | 256     | -0.084                              |
+------------+---------+-------------------------------------+
| 1024       | 256     | 0.095                               |
+------------+---------+-------------------------------------+
| 1518       | 256     | -0.033                              |
+------------+---------+-------------------------------------+

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     | 0.132                               |
+------------+---------+-------------------------------------+
| 128        | 256     | 0.103                               |
+------------+---------+-------------------------------------+
| 256        | 256     | -0.037                              |
+------------+---------+-------------------------------------+
| 512        | 256     | 0.050                               |
+------------+---------+-------------------------------------+
| 1024       | 256     | 0.006                               |
+------------+---------+-------------------------------------+
| 1518       | 256     | -0.004                              |
+------------+---------+-------------------------------------+

To view detailed results, visit:
https://lab.dpdk.org/results/dashboard/tarballs/8510/

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