ASTF Latency stats

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Finn The Hitman

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Jan 29, 2026, 8:39:17 AM (9 days ago) Jan 29
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Hello,

In the TRex ASTF documentation, I found the following claim about latency measurement for TCP flows:
"Accurate latency for TCP flows - SYN/SYN ACK and REQ/RES latency histogram, usec resolution"

However, I can't figure out how to actually measure these TCP-specific latencies.
The existing ASTFClient methods I'm aware of, such as `start(latency_pps=N, ...)` or  start_latency  , appear to use only ICMP packets for latency measurement.

Is there a way to enable or collect the TCP SYN/SYN-ACK and REQ/RES latency histograms mentioned in the documentation?

Thank you!
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