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From: Dave Taht <dave.taht@gmail.com>
To: Michael Yartys <michael.yartys@protonmail.com>
Cc: Bob McMahon <bob.mcmahon@broadcom.com>,
	 Make-Wifi-fast <make-wifi-fast@lists.bufferbloat.net>
Subject: Re: [Make-wifi-fast] Weird periodic latency
Date: Sat, 16 Jan 2021 09:48:25 -0800	[thread overview]
Message-ID: <CAA93jw6bkWN-0eSCF5+x29x7sfTRyvfUAjMTXk9FHB_s8cZHFA@mail.gmail.com> (raw)
In-Reply-To: <tab2vFivuJJ4ZN0GzKszSbkso3ge2nGE_rKg2yAnNEc7mnEu2BzfzzSMu9Z85pLEoYH3kBPwmanyx1hJB7n_IGPi6jTh8m970jysmIl6B10=@protonmail.com>

That implies it is doing a channel scan. Dumb.

https://blog.cerowrt.org/post/disabling_channel_scans/

but what you encountered seemed more disabling than that, and the
ath10k is supposed to be able to do background channel scans.


On Sat, Jan 16, 2021 at 6:47 AM Michael Yartys
<michael.yartys@protonmail.com> wrote:
>
> I'm pretty sure I've managed to figure out what causes the short sharp periodic latency spikes. The Gnome location service uses the surrounding wireless networks as one of the methods to determine your location. When it's turned on I get the following results:
>
> https://imgur.com/a/pNXuVRe
>
> When it's disabled the latency spikes are gone (and notice that AQL is working here as there is some background traffic from other clients):
>
> https://imgur.com/a/v4wWkAC
>
> Now, I wasn't able to reproduce the weird roller coaster like latency that I saw previously. I rebooted the laptop before I did these tests, so I guess that solved it.
>
> Michael



-- 
"For a successful technology, reality must take precedence over public
relations, for Mother Nature cannot be fooled" - Richard Feynman

dave@taht.net <Dave Täht> CTO, TekLibre, LLC Tel: 1-831-435-0729

  reply	other threads:[~2021-01-16 17:48 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-15 16:02 Michael Yartys
2021-01-15 16:23 ` Toke Høiland-Jørgensen
2021-01-15 16:59   ` Michael Yartys
2021-01-15 18:55     ` Toke Høiland-Jørgensen
2021-01-15 19:22       ` Michael Yartys
2021-01-15 19:28         ` Toke Høiland-Jørgensen
     [not found]     ` <CAA93jw6uLUC9b-vuPrEcL_VqXWPOtqUo=ek2G0x=XmvJ-GfLKw@mail.gmail.com>
2021-01-15 19:10       ` Dave Taht
2021-01-15 19:33         ` Michael Yartys
2021-01-15 21:44           ` Bob McMahon
2021-01-16 14:46             ` Michael Yartys
2021-01-16 17:48               ` Dave Taht [this message]
2021-01-16 18:01                 ` Michael Yartys
2021-01-16 18:06                   ` Dave Taht
2021-01-16 18:14                     ` Michael Yartys
2021-01-16 18:20                       ` Dave Taht
2021-01-16 21:01                 ` Bob McMahon

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