> Leslie Monis <notificati...@github.com> writes:
> Hi, I have encountered an issue when running the tcp_nup tests on newer
> versions of Linux, specifically v4.16 and up. It seems that flent isn't able
> to get enough data points (for upload throughput) for individual TCP flows.
> This is causing the median TCP upload sum value to be way lower than the the
> average TCP upload sum on a setup with a bottleneck bandwidth of 10 Mbits/s.
> Whereas, the same setup, with flent running on a slightly older version of
> Linux (v4.13 and v4.15) gives results with good number of data points for
> individual TCP flows.
> Can you supply a debug log file (-L to Flent) and the data file being
> produced when you run into this issue?
Linux v4.15
[tcp_50up-2019-01-01T040908.754007.flent.gz](https://github.com/tohojo/flent/files/2719008/tcp_50up-2019-01-01T040908.754007.flent.gz)
[tcp_50up-2019-01-01T040908.754007.log](https://github.com/tohojo/flent/files/2719009/tcp_50up-2019-01-01T040908.754007.log)
Linux v4.20
[tcp_50up-2019-01-01T041424.855789.flent.gz](https://github.com/tohojo/flent/files/2719010/tcp_50up-2019-01-01T041424.855789.flent.gz)
[tcp_50up-2019-01-01T041424.855789.log](https://github.com/tohojo/flent/files/2719011/tcp_50up-2019-01-01T041424.855789.log)
Hope these help
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