sniff DNS for those speed test lookups and trigger a packet capture for x duration? On Mon, Oct 24, 2022 at 9:27 AM Dave Taht wrote: > On Mon, Oct 24, 2022 at 8:20 AM dan wrote: > > > > Dave, I think that 'bouncing' is more CPU time in the browser. I don't > think it's indicative over what's actually happening. > > A simultaneous packet capture and wireshark plot of the RTTs would > also be helpful. > > > > > On Mon, Oct 24, 2022 at 9:09 AM Dave Taht via LibreQoS < > libreqos@lists.bufferbloat.net> wrote: > >> > >> On Mon, Oct 24, 2022 at 8:02 AM Robert Chacón via LibreQoS > >> wrote: > >> > > >> > I can run an Ookla test in the middle of the night with LibreQoS off > for a bit. > >> > >> Groovy. > >> > >> > From what I recall - without Libre we see download bloat of 300ms or > so. With Libre, it's gone. On waveform we see 0ms added bloat each > direction for most clients. > >> > >> The numbers report by speedtest bounce around a lot, and they tend to > >> pick a lower number as a final result than I'd > >> like. If there's a way to capture a movie of it... > >> > > >> > And I like the "monitor only" mode idea. > >> > Perhaps we could create the HTB tree, but just not attach the CAKE > qdisc? > >> > Technically even HTB could reduce latency by itself on overloaded APs > , so it wouldn't be true passive monitoring, but it would allow us to > compare the before/after of CAKE while still having qdiscs we can point > cpumap-pping to. > >> > > >> > Alternatively, maybe we could use eBPF PPing just for this passive > monitoring period? > >> > > >> > > >> > On Mon, Oct 24, 2022 at 8:02 AM Herbert Wolverson via LibreQoS < > libreqos@lists.bufferbloat.net> wrote: > >> >> > >> >> Are you looking for a shaped result? That'll show "whatever bandwidth > >> >> is left on the sector" without Libre, and around the customer's > paid-for > >> >> target with Libre (hopefully!). > >> >> > >> >> One thing Preseem does well is that their onboarding process includes > >> >> "leave it in monitoring-only mode" for a week, gathering data before > you > >> >> pull the switch (although most ISPs I've talked to just pull the > switch...) > >> >> It's quite enlightening to see a before/after, even with only > FQ_CODEL > >> >> as the shaper. > >> >> > >> >> We could probably do something similar with a "monitor only" mode > that > >> >> doesn't enable any queues (is there a TC equivalent to "dummy" on > >> >> FreeBSD?). > >> >> > >> >> On Mon, Oct 24, 2022 at 8:52 AM Dave Taht via LibreQoS < > libreqos@lists.bufferbloat.net> wrote: > >> >>> > >> >>> I am curious if anyone here has speedtest results with libreqos on > and > >> >>> off, and can send a screen shot? > >> >>> > >> >>> -- > >> >>> This song goes out to all the folk that thought Stadia would work: > >> >>> > https://www.linkedin.com/posts/dtaht_the-mushroom-song-activity-6981366665607352320-FXtz > >> >>> Dave Täht CEO, TekLibre, LLC > >> >>> _______________________________________________ > >> >>> LibreQoS mailing list > >> >>> LibreQoS@lists.bufferbloat.net > >> >>> https://lists.bufferbloat.net/listinfo/libreqos > >> >> > >> >> _______________________________________________ > >> >> LibreQoS mailing list > >> >> LibreQoS@lists.bufferbloat.net > >> >> https://lists.bufferbloat.net/listinfo/libreqos > >> > > >> > > >> > > >> > -- > >> > Robert Chacón > >> > CEO | JackRabbit Wireless LLC > >> > _______________________________________________ > >> > LibreQoS mailing list > >> > LibreQoS@lists.bufferbloat.net > >> > https://lists.bufferbloat.net/listinfo/libreqos > >> > >> > >> > >> -- > >> This song goes out to all the folk that thought Stadia would work: > >> > https://www.linkedin.com/posts/dtaht_the-mushroom-song-activity-6981366665607352320-FXtz > >> Dave Täht CEO, TekLibre, LLC > >> _______________________________________________ > >> LibreQoS mailing list > >> LibreQoS@lists.bufferbloat.net > >> https://lists.bufferbloat.net/listinfo/libreqos > > > > -- > This song goes out to all the folk that thought Stadia would work: > > https://www.linkedin.com/posts/dtaht_the-mushroom-song-activity-6981366665607352320-FXtz > Dave Täht CEO, TekLibre, LLC >