Hi, I am new to ovs, and I am trying to use userspace datapath. I would like to measure time cost of different actions on flows. So for easy start, I install one rule to let datapath to loop 1000 times of mod_dl_src action, command like: 'ovs-ofctl add-flow s1 priority=1,in_port=1,actions=mod_dl_src=00:00:00:00:00:01,mod_dl_src=00:00:00:00:00:02,...(loop here).....,output:2'
I hope there is a performance degradation that can be used to calculate the time cost. But after tests in Mininet, I find no performance difference compared with no loop. That is WHY? While I also do the similar test on CPqD ofsoftswitch, and it shows clear difference as I expected, so I can calculate the time cost.
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