_Performance Testing PASS_

Branch: dpdk

1b593b9c832e9b284cc59665fe662242a3fc1daf --> 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     | -0.93764%                           |
+------------+---------+-------------------------------------+
| 128        | 256     | 0.10714%                            |
+------------+---------+-------------------------------------+
| 256        | 256     | -0.13692%                           |
+------------+---------+-------------------------------------+
| 512        | 256     | -0.65644%                           |
+------------+---------+-------------------------------------+
| 1024       | 256     | 0.23439%                            |
+------------+---------+-------------------------------------+
| 1518       | 256     | 0.04933%                            |
+------------+---------+-------------------------------------+

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     | -0.35976%                           |
+------------+---------+-------------------------------------+
| 128        | 256     | 0.53894%                            |
+------------+---------+-------------------------------------+
| 256        | 256     | 0.12417%                            |
+------------+---------+-------------------------------------+
| 512        | 256     | 0.2878%                             |
+------------+---------+-------------------------------------+
| 1024       | 256     | -0.37523%                           |
+------------+---------+-------------------------------------+
| 1518       | 256     | -0.09246%                           |
+------------+---------+-------------------------------------+

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     | 0.28226%                            |
+------------+---------+-------------------------------------+
| 128        | 256     | -0.28576%                           |
+------------+---------+-------------------------------------+
| 256        | 256     | -0.40932%                           |
+------------+---------+-------------------------------------+
| 512        | 256     | 1.84216%                            |
+------------+---------+-------------------------------------+
| 1024       | 256     | 0.38983%                            |
+------------+---------+-------------------------------------+
| 1518       | 256     | -0.50322%                           |
+------------+---------+-------------------------------------+

To view detailed results, visit:
https://lab.dpdk.org/results/dashboard/tarballs/14874/

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