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From: "Toke Høiland-Jørgensen" <notifications@github.com>
To: tohojo/flent <flent@noreply.github.com>
Cc: Subscribed <subscribed@noreply.github.com>
Subject: [Flent-users] Re: [tohojo/flent] support for flowgrind (#219)
Date: Mon, 25 Jan 2021 04:04:00 -0800	[thread overview]
Message-ID: <tohojo/flent/issues/219/766769369@github.com> (raw)
In-Reply-To: <tohojo/flent/issues/219@github.com>

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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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      reply	other threads:[~2021-01-25 12:04 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-23 18:14 [Flent-users] " Jonas Smedegaard
2021-01-25 12:04 ` Toke Høiland-Jørgensen [this message]

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