Stream Statistics in macOS

[Jim Vajda]

I am running Ostinato 1.3.0 and have followed the guide to get stream statistics working, but I can't seem to get any stats beyond the Total stats and Duration (always shows 0). No Average stats. Is this a limitation of Ostinato on macOS?

I have configured a stream signature and use Tx and Rx ports on the same laptop. Both ports have Stream Statistics enabled. I've followed the guide step by step.

Thanks in advance.

[Srivats P]

Hi Jim,

The reason you don't see other stats like avg is because the duration is 0 (can't divide by 0).

So the question then becomes why is the Tx duration 0?

* Are you sending unidirectional or bidirectional traffic?

* Do you select both and "Start Transmit" together on both ports?

* Did you stop the Transmit before fetching stream stats?

Can you post a screenshot of your stream statistics window?

Srivats

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[Jim Vajda]

Hi Srivats,

Thanks for your reply.

• Traffic is unidirectional, just UDP streams
• Yes, selected both ports and hit Start Tx on both
• Yes, hit Stop Tx with both ports selected after Tx completed

I also experimented with interleaved vs sequential streams and have the same issue.

Here is what my Stream Statistics window looks like: