From: Tim Higgins <tim@timhiggins.com>
To: "Toke Høiland-Jørgensen" <toke@redhat.com>
Cc: Make-Wifi-fast <make-wifi-fast@lists.bufferbloat.net>,
flent-users@flent.org, Tim Higgins <tim@smallnetbuilder.com>
Subject: Re: [Flent-users] [Make-wifi-fast] Flent traffic direction convention
Date: Fri, 27 Mar 2020 07:31:55 -0400 [thread overview]
Message-ID: <092069D8-3AA4-4D39-9C6D-7D46081541D4@timhiggins.com> (raw)
In-Reply-To: <87r1xem521.fsf@toke.dk>
> On Mar 27, 2020, at 7:05 AM, Toke Høiland-Jørgensen <toke@redhat.com> wrote:
>
> (Adding flent-users@flent.org - please also include this in
> Flent-specific questions)
>
>> I might be confusing myself, but need to ask the question. What does flent
>> define as upload and download?
>>
>> Netperf docs say:
>> The TCP_STREAM test is the default test in netperf. It is quite simple,
>> transferring some quantity of data from the system running netperf to the
>> system running netserver.
>>
>> So why, when I look at tcp_1up_noping.conf does the DATA_SETS have 'test':
>> 'TCP_STREAM' in the 'TCP_upload' dictionary?
>
> Flent considers itself the client, so 'upload' is TCP_STREAM. As more
> use cases have emerged, this has turned out to not always be the case,
> of course; WiFi test scenarios such as you are doing being the most
> prominent example. There's a --swap-up-down parameter which will switch
> all instances of TCP_STREAM to TCP_MAERTS and vice-versa, though.
>
>> Second question: Is there any documentation that can help me figure out
>> exactly what traffic is running in each test type?
>> I've tried looking at the .conf and .inc files, in flent/tests but can't
>> figure it out.
>
> Not really :/ There's https://flent.org/tests.html, but it hasn't really
> kept up with new tests being added.
>
> However, you can see it after the fact: The exact command lines for each
> data series is stored (along with a bunch of other data) in the
> SERIES_META object in the data file. Use the GUI to browse this, or
> print it with 'flent -f metadata datafile.flent.gz'.
>
> -Toke
>
Thanks again, Toke. Looks like you anticipated my questions in the design! :)
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next prev parent reply other threads:[~2020-03-27 12:09 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1697eb13-068d-f518-35d6-1d1495feab40@smallnetbuilder.com>
2020-03-27 11:05 ` Toke Høiland-Jørgensen
2020-03-27 11:31 ` Tim Higgins [this message]
2020-03-27 12:28 ` Toke Høiland-Jørgensen
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