I just took a look at the code, and I think it should work, as the the timestamps are properly updated in ipfix_cache_aggregate_entries. However, I don't know the code base well or C for that matter. Can you point me to where the time values are not properly set?
Regards Felix On 05/31/2017 05:27 PM, Ben Pfaff wrote: > On Wed, May 31, 2017 at 03:05:45PM +0200, Felix Konstantin Maurer wrote: >> I'm currently trying to export flow statistics from an Openvswitch >> bridge with IPFIX. It works, however in almost all packets, the >> flowStartDeltaMicroseconds and the flowEndDeltaMicroseconds have the >> same value. Is that to be expected? Do I misunderstand something? >> >> I expected them to be different and to allow me to calculate over which >> time period the octetDeltaCount number of bytes of the flow had been sent. > > The IPFIX code hard-codes the start and end times to the same value. > It's too bad--it would be nice to have this be more accurate. I don't > know how difficult that would be. > -- RWTH Aachen University Communication and Distributed Systems http://www.comsys.rwth-aachen.de
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