_Performance Testing PASS_

Branch: dpdk-next-virtio

953e89088d6966cc1a2851a97afc2a3b7230fc60 --> 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     | -0.621                              |
+------------+---------+-------------------------------------+
| 128        | 256     | -0.330                              |
+------------+---------+-------------------------------------+
| 256        | 256     | 0.097                               |
+------------+---------+-------------------------------------+
| 512        | 256     | -0.043                              |
+------------+---------+-------------------------------------+
| 1024       | 256     | -0.003                              |
+------------+---------+-------------------------------------+
| 1518       | 256     | 0.014                               |
+------------+---------+-------------------------------------+

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     | -0.492                              |
+------------+---------+-------------------------------------+
| 128        | 256     | -0.163                              |
+------------+---------+-------------------------------------+
| 256        | 256     | -0.075                              |
+------------+---------+-------------------------------------+
| 512        | 256     | -0.034                              |
+------------+---------+-------------------------------------+
| 1024       | 256     | -0.003                              |
+------------+---------+-------------------------------------+
| 1518       | 256     | 0.012                               |
+------------+---------+-------------------------------------+

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     | 0.097                               |
+------------+---------+-------------------------------------+
| 128        | 256     | -0.154                              |
+------------+---------+-------------------------------------+
| 256        | 256     | 0.028                               |
+------------+---------+-------------------------------------+
| 512        | 256     | 0.074                               |
+------------+---------+-------------------------------------+
| 1024       | 256     | 0.085                               |
+------------+---------+-------------------------------------+
| 1518       | 256     | 0.037                               |
+------------+---------+-------------------------------------+

https://lab.dpdk.org/results/dashboard/tarballs/6042/

UNH-IOL DPDK Performance Test Lab

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