_Performance Testing issues_

Branch: dpdk

ca2fd12d5c3d3d7ac5788e1be5d60e0fda03639f --> performance testing fail

Test environment and result as below:

Ubuntu 17.10
Kernel: 4.13.0-43-generic
GCC: gcc (Ubuntu 7.2.0-8ubuntu3) 7.2.0
NIC: Intel Corporation Ethernet Converged Network Adapter XL710-QDA2 40000 Mbps
Target: x86_64-native-linuxapp-gcc
Fail/Total: 2/2

Detail performance results: 
+------------+---------+-------------------------------------+
| frame_size | txd/rxd | throughput difference from expected |
+============+=========+=====================================+
| 64         | 512     | -1.023                              |
+------------+---------+-------------------------------------+
| 64         | 2048    | -1.008                              |
+------------+---------+-------------------------------------+

Ubuntu 17.10
Kernel: 4.13.0-43-generic
GCC: gcc (Ubuntu 7.2.0-8ubuntu3) 7.2.0
NIC: Intel Corporation Ethernet Converged Network Adapter 82599ES 10000 Mbps
Target: x86_64-native-linuxapp-gcc
Fail/Total: 0/3

Detail performance results: 
+------------+---------+-------------------------------------+
| frame_size | txd/rxd | throughput difference from expected |
+============+=========+=====================================+
| 64         | 128     | -0.519                              |
+------------+---------+-------------------------------------+
| 64         | 512     | -0.073                              |
+------------+---------+-------------------------------------+
| 64         | 2048    | -0.559                              |
+------------+---------+-------------------------------------+

https://lab.dpdk.org/results/dashboard/tarballs/5677/

UNH-IOL DPDK Performance Test Lab

To manage your email subscriptions visit: 
https://lab.dpdk.org/results/dashboard/preferences/subscriptions/