_Performance Testing PASS_

Branch: dpdk-next-virtio

5005bcda71239fa25b48811dff64d6050d3bc4a3 --> performance testing pass

Test environment and result as below:

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     | -0.503                              |
+------------+---------+-------------------------------------+
| 128        | 256     | 0.042                               |
+------------+---------+-------------------------------------+
| 256        | 256     | 0.228                               |
+------------+---------+-------------------------------------+
| 512        | 256     | 0.043                               |
+------------+---------+-------------------------------------+
| 1024       | 256     | 0.020                               |
+------------+---------+-------------------------------------+
| 1518       | 256     | 0.018                               |
+------------+---------+-------------------------------------+

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     | 0.230                               |
+------------+---------+-------------------------------------+
| 128        | 256     | 0.449                               |
+------------+---------+-------------------------------------+
| 256        | 256     | 0.103                               |
+------------+---------+-------------------------------------+
| 512        | 256     | -0.036                              |
+------------+---------+-------------------------------------+
| 1024       | 256     | -0.014                              |
+------------+---------+-------------------------------------+
| 1518       | 256     | 0.004                               |
+------------+---------+-------------------------------------+

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     | -0.060                              |
+------------+---------+-------------------------------------+
| 128        | 256     | 0.193                               |
+------------+---------+-------------------------------------+
| 256        | 256     | 0.011                               |
+------------+---------+-------------------------------------+
| 512        | 256     | 0.035                               |
+------------+---------+-------------------------------------+
| 1024       | 256     | -0.012                              |
+------------+---------+-------------------------------------+
| 1518       | 256     | 0.014                               |
+------------+---------+-------------------------------------+

https://lab.dpdk.org/results/dashboard/tarballs/6583/

UNH-IOL DPDK Performance Test Lab

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