[dpdk-test-report] |SUCCESS| pw66415 [PATCH] cycles: add isb before read cntvct_el0

[dpdklab at iol.unh.edu]

Test-Label: iol-mellanox-Performance
Test-Status: SUCCESS
http://dpdk.org/patch/66415

_Performance Testing PASS_

Submitter: Linhaifeng <haifeng.lin at huawei.com>
Date: Monday, March 09 2020 10:58:39 
DPDK git baseline: Repo:dpdk
  Branch: master
  CommitID:44c775feb491106d472c1a44433c6427a3fb3b3b

66415 --> 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 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     | -0.093                              |
+------------+---------+-------------------------------------+
| 128        | 256     | 0.147                               |
+------------+---------+-------------------------------------+
| 256        | 256     | -0.062                              |
+------------+---------+-------------------------------------+
| 512        | 256     | 0.018                               |
+------------+---------+-------------------------------------+
| 1024       | 256     | 0.005                               |
+------------+---------+-------------------------------------+
| 1518       | 256     | 0                                   |
+------------+---------+-------------------------------------+

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     | -0.045                              |
+------------+---------+-------------------------------------+
| 128        | 256     | -0.041                              |
+------------+---------+-------------------------------------+
| 256        | 256     | 0.206                               |
+------------+---------+-------------------------------------+
| 512        | 256     | -0.007                              |
+------------+---------+-------------------------------------+
| 1024       | 256     | -0.010                              |
+------------+---------+-------------------------------------+
| 1518       | 256     | 0.001                               |
+------------+---------+-------------------------------------+

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     | 0.333                               |
+------------+---------+-------------------------------------+
| 128        | 256     | 0.436                               |
+------------+---------+-------------------------------------+
| 256        | 256     | -0.047                              |
+------------+---------+-------------------------------------+
| 512        | 256     | -0.150                              |
+------------+---------+-------------------------------------+
| 1024       | 256     | 0.128                               |
+------------+---------+-------------------------------------+
| 1518       | 256     | -0.031                              |
+------------+---------+-------------------------------------+

To view detailed results, visit:
https://lab.dpdk.org/results/dashboard/patchsets/9904/

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