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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: Re: [Flent-users] [tohojo/flent] completion delay for an iperf script (#138)
Date: Mon, 11 Jun 2018 02:36:30 -0700	[thread overview]
Message-ID: <tohojo/flent/issues/138/396183133@github.com> (raw)
In-Reply-To: <tohojo/flent/issues/138@github.com>

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Matthieu Coudron <notifications@github.com> writes:

> `Yeah, this is an issue with netperf; it'll only output time in 10-ms`
> thanks for pointing this out. Not that useful for intra datacenter
> latencies then. My final tests should effectively longer but it's nice
> to iterate over shorter transfers.

Well it's more a function of the transfer size, but yeah, this is a bit

> `To get multiple datapoints, you'd need to run multiple tests (`for s
> in $(seq 10); do flent <args>; done`), then plot all data files at
> once.`
> But each run will be recorded in a different .flent.gz ? which goes
> back to my initial question, how can I plot data directly from the
> flent.gz without re-running the tests ?

Yes. If you want to collect several data points in a single .flent.gz,
the timeseries aggregator is not going to work. You'll have to use the
iteration aggregator (set AGGREGATOR='iteration' in the test config
file), and use a different runner that outputs the ELAPSED_TIME as a
single data point. I think it should be enough to subclass the
netperfdemorunner, and redefine parse() to call the parent, pull out the
ELAPSED_TIME metadata, and return that.


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Flent-users mailing list

  parent reply	other threads:[~2018-06-11  9:37 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <tohojo/flent/issues/138@github.com>
2018-06-07  8:57 ` Toke Høiland-Jørgensen
2018-06-07 10:01 ` Toke Høiland-Jørgensen
2018-06-08 10:20 ` Toke Høiland-Jørgensen
2018-06-08 10:55 ` Toke Høiland-Jørgensen
2018-06-11  9:15 ` Toke Høiland-Jørgensen
2018-06-11  9:36 ` Toke Høiland-Jørgensen [this message]
2018-06-11 12:20 ` Toke Høiland-Jørgensen

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