* [Flent-users] [tohojo/flent] support for flowgrind (#219)
@ 2021-01-23 18:14 Jonas Smedegaard
2021-01-25 12:04 ` [Flent-users] " Toke Høiland-Jørgensen
0 siblings, 1 reply; 2+ messages in thread
From: Jonas Smedegaard @ 2021-01-23 18:14 UTC (permalink / raw)
To: tohojo/flent; +Cc: Subscribed
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the tool flowgrind seems like it might be an interesting backend for flent to support: https://github.com/flowgrind/flowgrind
From its README:
> Unlike most cross-platform testing tools, flowgrind can output some transport layer information, which are usually internal to the TCP/IP stack. For example, on Linux and FreeBSD this includes among others the kernel's estimation of the end-to-end RTT, the size of the TCP congestion window (CWND) and slow start threshold (SSTHRESH).
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* [Flent-users] Re: [tohojo/flent] support for flowgrind (#219)
2021-01-23 18:14 [Flent-users] [tohojo/flent] support for flowgrind (#219) Jonas Smedegaard
@ 2021-01-25 12:04 ` Toke Høiland-Jørgensen
0 siblings, 0 replies; 2+ messages in thread
From: Toke Høiland-Jørgensen @ 2021-01-25 12:04 UTC (permalink / raw)
To: tohojo/flent; +Cc: Subscribed
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Jonas Smedegaard <notifications@github.com> writes:
> the tool flowgrind seems like it might be an interesting backend for
> flent to support: https://github.com/flowgrind/flowgrind
>
> From its README:
>
>> Unlike most cross-platform testing tools, flowgrind can output some
>> transport layer information, which are usually internal to the TCP/IP
>> stack. For example, on Linux and FreeBSD this includes among others
>> the kernel's estimation of the end-to-end RTT, the size of the TCP
>> congestion window (CWND) and slow start threshold (SSTHRESH).
These values Flent can already extract (using the 'ss' tool). Just
enable --socket-stats :)
Also from its README:
> In contrast to similar tools like iperf or netperf it features a
> distributed architecture, where throughput and other metrics are
> measured between arbitrary flowgrind server processes.
...which makes me suspect it's not a very good fit for Flent.
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2021-01-23 18:14 [Flent-users] [tohojo/flent] support for flowgrind (#219) Jonas Smedegaard
2021-01-25 12:04 ` [Flent-users] " Toke Høiland-Jørgensen
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