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authorLuc Provoost <luc.provoost@intel.com>2020-09-16 09:52:06 +0200
committerLuc Provoost <luc.provoost@intel.com>2020-09-16 09:52:06 +0200
commitd092ffd38f9b5acafb740da11b5a2467ff972036 (patch)
tree0392e098d0521566fa557601035d848411f71f1d /VNFs/DPPD-PROX/helper-scripts/rapid/TST009_Throughput.test
parent1edebebda08242170aaffba43cfb0747ded2fc76 (diff)
ramp generator traffic & prox.log copy
A new parameter can be put in the *.test files so that the requested traffic is not generated at once, but slowly increasing up to the requested traffic. This is important for some SW switched that adapt and learn from the applied traffic. When suddenly applying a high traffic, the switch might not have enough time to learn and lose packets. Only after a period of time (up to 10 seconds?), the switch can cope with the traffic without packet loss. In order to get reproducible results in this case with low packet loss, please put the parameter ramp_step in the test section of the *.test file. The step is expressed in percentage of a 10Gb/s traffic. If the parameter is not present, the load will be immediately applied. When the runrapid.py script is now finished, it also copies the prox.log files from all the prox instances. In case of issues, please investigate this log file. When using background traffic, the tool will also print the average background traffic for each step in the DEBUG log. In this way, you can check that the background traffic is actually dealing with the same amount of traffic as the foreground. The tool is printing the packet reception rate of the background generators. A bug was also fixed regarding the latency percentile reporting. When using tests involving l2gen.cfg, the values of the percentile latency were wrong. Change-Id: Id3dd02ed5cab084414c717cf898b30e6980ddf31 Signed-off-by: Luc Provoost <luc.provoost@intel.com>
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