From: "Toke Høiland-Jørgensen" <toke@toke.dk>
To: Noah Causin <n0manletter@gmail.com>
Cc: Dave Taht <dave.taht@gmail.com>,
make-wifi-fast@lists.bufferbloat.net,
"cerowrt-devel\@lists.bufferbloat.net"
<cerowrt-devel@lists.bufferbloat.net>,
Felix Fietkau <nbd@nbd.name>,
Simon Wunderlich <sw@simonwunderlich.de>
Subject: Re: [Cerowrt-devel] [Make-wifi-fast] wifi airtime fairness patches could use eyeballs and testing
Date: Wed, 10 Aug 2016 17:04:08 +0200 [thread overview]
Message-ID: <87oa50acnr.fsf@toke.dk> (raw)
In-Reply-To: <76eb6a6a-2f39-3b36-d4c1-04198083c0f6@gmail.com> (Noah Causin's message of "Wed, 10 Aug 2016 09:06:42 -0400")
Noah Causin <n0manletter@gmail.com> writes:
> Hi,
>
> I am aware that a performance regression with using fq in mac80211 with multiple tcp streams has been reported, and this patch in lede disables it.
>
> https://github.com/lede-project/source/commit/4952469ff9278288d766b28247a17694b1c4faaa
>
> Has that been resolved?
Just did a test of this and can reproduce with a wndr3800 as the access
point. I see about a 25% reduction in aggregate throughput with two
streams as opposed to one.
Packet captures and time sequence graphs are here:
https://kau.toke.dk/experiments/softq-debug/ - the onestream* and
twostream* files.
-Toke
next prev parent reply other threads:[~2016-08-10 15:04 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-10 11:28 [Cerowrt-devel] " Dave Taht
2016-08-10 13:06 ` [Cerowrt-devel] [Make-wifi-fast] " Noah Causin
2016-08-10 13:11 ` Dave Taht
2016-08-10 15:04 ` Toke Høiland-Jørgensen [this message]
2016-08-10 19:35 ` Dave Taht
2016-08-10 20:06 ` Toke Høiland-Jørgensen
2016-08-10 21:50 ` Toke Høiland-Jørgensen
2016-08-10 21:58 ` Dave Taht
2016-08-10 22:05 ` Toke Høiland-Jørgensen
2016-08-10 22:07 ` Toke Høiland-Jørgensen
2016-08-10 22:18 ` Jonathan Morton
2016-08-10 22:45 ` Toke Høiland-Jørgensen
2016-08-11 6:43 ` Dave Taht
2016-08-11 9:16 ` Toke Høiland-Jørgensen
2016-08-14 22:21 ` Dave Taht
2016-08-14 22:49 ` Aaron Wood
2016-08-14 23:02 ` Dave Taht
2016-08-14 23:04 ` Aaron Wood
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