Merge "Created a README file for the SCPFportLat test"
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+PORT LATENCY
+
+Summary: This is a performance test suite to measure the time it takes ONOS
+ to recognize a port going down and up.
+
+Pre-requisites: To run out-of-the box this test requires 7 NODES.
+ OC1->OC7 must be set before initiating the test. Passwordless login
+ must be set from TestStation "admin" root user. The 7 NODES must have
+ their clocks synced to TestStation via ptpd and be accurate to the
+ millisecond. You will also need the Wireshark disector to see openflow packets.
+
+***If you wish to run this test with less than 7 nodes the following
+ alterations must be made:
+
+NOTE: Only scale sizes 1,3,5 and 7 will be functional
+
+--In the .params, remove any values in the comma separated list in the
+ <scale> tag that are above your desired cluster size.
+
+--In the .params file remove one instance of “1,2” from the <testcases>
+ tag for each value you removed from <scale> (case 1 and 2 are each
+ called once for each scale value)
+
+--In the .params file, change the value in the <max> tag to your
+ desired scale size (1,3, or 5)
+
+--In the .topo file, change the <ONOSbench/COMPONENTS/nodes> tag to your
+ desired scale size
+
+--Also in the .topo file, you will need to remove all unneeded <ONOS X
+ cli> tags and their contents