_Performance Testing PASS_

Branch: dpdk-next-net

b1231d9574aa6fd4413a7b069a4c146b74f97914 --> 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     | 0.079                               |
+------------+---------+-------------------------------------+
| 128        | 256     | 0.051                               |
+------------+---------+-------------------------------------+
| 256        | 256     | 0.041                               |
+------------+---------+-------------------------------------+
| 512        | 256     | 0.002                               |
+------------+---------+-------------------------------------+
| 1024       | 256     | -0.003                              |
+------------+---------+-------------------------------------+
| 1518       | 256     | -0.001                              |
+------------+---------+-------------------------------------+

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     | 0.099                               |
+------------+---------+-------------------------------------+
| 128        | 256     | -0.010                              |
+------------+---------+-------------------------------------+
| 256        | 256     | -0.059                              |
+------------+---------+-------------------------------------+
| 512        | 256     | -0.144                              |
+------------+---------+-------------------------------------+
| 1024       | 256     | 0.036                               |
+------------+---------+-------------------------------------+
| 1518       | 256     | 0.048                               |
+------------+---------+-------------------------------------+

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     | -0.183                              |
+------------+---------+-------------------------------------+
| 128        | 256     | 0.060                               |
+------------+---------+-------------------------------------+
| 256        | 256     | 0.056                               |
+------------+---------+-------------------------------------+
| 512        | 256     | 0                                   |
+------------+---------+-------------------------------------+
| 1024       | 256     | -0.001                              |
+------------+---------+-------------------------------------+
| 1518       | 256     | 0.010                               |
+------------+---------+-------------------------------------+

https://lab.dpdk.org/results/dashboard/tarballs/4383/

UNH-IOL DPDK Performance Test Lab