[Cake] [Make-wifi-fast] flent testers wanted prior to next release
stephen at networkplumber.org
Tue Jan 31 11:52:43 EST 2017
On Tue, 31 Jan 2017 17:35:40 +0100
Toke Høiland-Jørgensen <toke at toke.dk> wrote:
> Stephen Hemminger <stephen at networkplumber.org> writes:
> > On Tue, 20 Dec 2016 11:02:44 -0800
> > Dave Taht <dave.taht at gmail.com> wrote:
> >> Toke has been busy adding new features to the flent network test tool.
> >> I consider it *almost* stable enough for a new release. Some of the
> >> development has been focused on making the flent-gui much faster and
> >> more responsive (as our data sets have got larger), others on
> >> providing better default command line output, and there's other fixes
> >> across the board, including QT5 support.
> >> In particular, I fear we've broken windows users of flent. I would
> >> dearly like it if some more folk out there using flent could pull the
> >> latest git version and see if there are any new bugs or regressions in
> >> it, any of the the 87 tests, and the plotters, before freezing the
> >> code for a new year's release.
> >> github: https://github.com/tohojo/flent
> >> main site: https://flent.org/
> >> While you are at it, please feel free to stress out any of the flent
> >> servers as a target, give the new cake a shot and compare it against
> >> htb+fq_codel or your aqm of choice, or fiddle with the new wifi code,
> >> and share your data. tcp_nup, tcp_ndown, rrul, rrul_be remain the main
> >> tests, but the square wave one is turning out interesting.... :)
> >> And if you have any feature requests or bugs to file, please get them
> >> in soon to the github!
> >> We could also use better documentation and tutorials for use... some
> >> more example scripts leveraging things like the cpu_stats and
> >> qdisc_stats tools, and so on,
> >> Active public servers include:
> >> flent-freemont.bufferbloat.net
> >> ( this is colocated with flent-bbr-west which has bbr on by default - an
> >> interesting test might be testing both these servers at the same time
> >> via the rtt_fair* tests from your location)
> >> flent-dallas.bufferbloat.net
> >> flent-london.bufferbloat.net
> >> flent-tokyo.bufferbloat.net
> >> flent-newark.bufferbloat.net
> >> There are also netperf-west and netperf-east and netperf-eu and no
> >> doubt a few others.
> >> We plan to add a few BBR enabled servers over the holidays.
> >> The changelog so far:
> >> - Support PyQt5 in the GUI (and prefer it over PyQt4). If PyQt5 is not
> >> found, fall back to PyQt4.
> >> - Add new SummaryFormatter that outputs mean and median values for
> >> each data series. This is the new default formatter, meaning that its
> >> output will be shown after a test run if no other formatter (or plot)
> >> is specified.
> >> - Support multiprocessing in the GUI. When loading several plots at
> >> once, plotting will now be passed off to separate worker processes.
> >> This allows plotting to use all the available processors on the
> >> machine, and speeds up loading of many plots tremendously (initial
> >> load is sped up by an order of magnitude). This change also means that
> >> re-plotting on config changes will be done dynamically in the
> >> background, which makes the GUI more responsive.
> >> - Make text completely black in the default colour scheme. This
> >> increases contrast, and helps legibility, especially on printed
> >> figures.
> >> - Some internal code changes: Port command line parser from the old
> >> optparse class to the newer argparse, and fix a bunch of linter
> > Has anyone automated or orchestrated flent? I would love to get several
> > projects doing daily build flent runs. Both upstream kernel, net-next,
> > and Intel Clear Linux has nightly build and test.
> Flent has a built-in batch mode that lets you automate running several
> tests in a row including setup/teardown scripts etc... Is that what you
That is start, was hoping someone had already done the nightly run kind of environment.
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