From: Roman Yeryomin <leroi.lists@gmail.com>
To: Dave Taht <dave.taht@gmail.com>
Cc: Eric Dumazet <eric.dumazet@gmail.com>,
Jonathan Morton <chromatix99@gmail.com>,
make-wifi-fast@lists.bufferbloat.net,
"codel@lists.bufferbloat.net" <codel@lists.bufferbloat.net>,
ath10k <ath10k@lists.infradead.org>
Subject: Re: [Make-wifi-fast] [Codel] fq_codel_drop vs a udp flood
Date: Thu, 5 May 2016 19:07:41 +0300 [thread overview]
Message-ID: <CACiydb+kOLNBwEn+gDU3fZrXEQxp5FMFLH_mDS1ZO5J8r9yiBA@mail.gmail.com> (raw)
In-Reply-To: <CAA93jw5Y3DSzuOZo=S6_dsUqJvy_3ThNe6tMic2ZJ14kQPnFHg@mail.gmail.com>
On 5 May 2016 at 18:32, Dave Taht <dave.taht@gmail.com> wrote:
> On Thu, May 5, 2016 at 7:53 AM, Roman Yeryomin <leroi.lists@gmail.com> wrote:
>> On 2 May 2016 at 19:14, Eric Dumazet <eric.dumazet@gmail.com> wrote:
>>> On Mon, 2016-05-02 at 18:43 +0300, Roman Yeryomin wrote:
>>>> On 2 May 2016 at 18:07, Eric Dumazet <eric.dumazet@gmail.com> wrote:
>>>> > On Mon, 2016-05-02 at 17:18 +0300, Roman Yeryomin wrote:
>>>> >
>>>> >> Imagine you are a video operator, have MacBook Pro, gigabit LAN and
>>>> >> NAS on ethernet side. You would want to get maximum speed. And
>>>> >> fq_codel just dropped it down to 550Mbps for TCP (instead of 750Mbps)
>>>> >> and to 30Mbps for UDP (instead of 900Mbps).
>>>> >> So, again, it looks broken to me.
>>>> >
>>>> > Can you show us your qdisc config ?
>>>>
>>>> Which build do you want? Before it broke or after?
>>>>
>>>
>>>
>>> I want to check your qdisc configuration, the one that you used and
>>> where you had fq_codel performance issues
>>>
>>> tc -s -d qdisc
>>>
> Looks fine.
>
> If you could sample that a few times during your various tests,
> that would be good.
>
UDP:
just started:
qdisc fq_codel 0: dev eth0 root refcnt 2 limit 1024p flows 1024
quantum 1514 target 5.0ms interval 100.0ms ecn
Sent 84919 bytes 460 pkt (dropped 0, overlimits 0 requeues 2)
backlog 0b 0p requeues 2
maxpacket 1374 drop_overlimit 0 new_flow_count 1 ecn_mark 0
new_flows_len 0 old_flows_len 0
qdisc mq 0: dev wlan0 root
Sent 87417 bytes 400 pkt (dropped 0, overlimits 0 requeues 0)
backlog 0b 0p requeues 0
qdisc fq_codel 0: dev wlan0 parent :1 limit 1024p flows 1024 quantum
1514 target 5.0ms interval 100.0ms ecn
Sent 1304 bytes 14 pkt (dropped 0, overlimits 0 requeues 0)
backlog 0b 0p requeues 0
maxpacket 0 drop_overlimit 0 new_flow_count 0 ecn_mark 0
new_flows_len 0 old_flows_len 0
qdisc fq_codel 0: dev wlan0 parent :2 limit 1024p flows 1024 quantum
1514 target 5.0ms interval 100.0ms ecn
Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0)
backlog 0b 0p requeues 0
maxpacket 0 drop_overlimit 0 new_flow_count 0 ecn_mark 0
new_flows_len 0 old_flows_len 0
qdisc fq_codel 0: dev wlan0 parent :3 limit 1024p flows 1024 quantum
1514 target 5.0ms interval 100.0ms ecn
Sent 64155 bytes 309 pkt (dropped 0, overlimits 0 requeues 0)
backlog 0b 0p requeues 0
maxpacket 0 drop_overlimit 0 new_flow_count 0 ecn_mark 0
new_flows_len 0 old_flows_len 0
qdisc fq_codel 0: dev wlan0 parent :4 limit 1024p flows 1024 quantum
1514 target 5.0ms interval 100.0ms ecn
Sent 21958 bytes 77 pkt (dropped 0, overlimits 0 requeues 0)
backlog 0b 0p requeues 0
maxpacket 0 drop_overlimit 0 new_flow_count 0 ecn_mark 0
new_flows_len 0 old_flows_len 0
after 10s of test:
qdisc fq_codel 0: dev eth0 root refcnt 2 limit 1024p flows 1024
quantum 1514 target 5.0ms interval 100.0ms ecn
Sent 87093 bytes 489 pkt (dropped 0, overlimits 0 requeues 2)
backlog 0b 0p requeues 2
maxpacket 1374 drop_overlimit 0 new_flow_count 1 ecn_mark 0
new_flows_len 0 old_flows_len 0
qdisc mq 0: dev wlan0 root
Sent 35600270 bytes 23892 pkt (dropped 679412, overlimits 0 requeues 5)
backlog 1514Kb 1024p requeues 5
qdisc fq_codel 0: dev wlan0 parent :1 limit 1024p flows 1024 quantum
1514 target 5.0ms interval 100.0ms ecn
Sent 1304 bytes 14 pkt (dropped 0, overlimits 0 requeues 0)
backlog 0b 0p requeues 0
maxpacket 0 drop_overlimit 0 new_flow_count 0 ecn_mark 0
new_flows_len 0 old_flows_len 0
qdisc fq_codel 0: dev wlan0 parent :2 limit 1024p flows 1024 quantum
1514 target 5.0ms interval 100.0ms ecn
Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0)
backlog 0b 0p requeues 0
maxpacket 0 drop_overlimit 0 new_flow_count 0 ecn_mark 0
new_flows_len 0 old_flows_len 0
qdisc fq_codel 0: dev wlan0 parent :3 limit 1024p flows 1024 quantum
1514 target 5.0ms interval 100.0ms ecn
Sent 35891436 bytes 24003 pkt (dropped 685860, overlimits 0 requeues 5)
backlog 1514Kb 1024p requeues 5
maxpacket 1514 drop_overlimit 682059 new_flow_count 11 ecn_mark 0
new_flows_len 0 old_flows_len 1
qdisc fq_codel 0: dev wlan0 parent :4 limit 1024p flows 1024 quantum
1514 target 5.0ms interval 100.0ms ecn
Sent 22442 bytes 83 pkt (dropped 0, overlimits 0 requeues 0)
backlog 0b 0p requeues 0
maxpacket 0 drop_overlimit 0 new_flow_count 0 ecn_mark 0
new_flows_len 0 old_flows_len 0
after 20s of test:
qdisc fq_codel 0: dev eth0 root refcnt 2 limit 1024p flows 1024
quantum 1514 target 5.0ms interval 100.0ms ecn
Sent 87591 bytes 498 pkt (dropped 0, overlimits 0 requeues 2)
backlog 0b 0p requeues 2
maxpacket 1374 drop_overlimit 0 new_flow_count 1 ecn_mark 0
new_flows_len 0 old_flows_len 0
qdisc mq 0: dev wlan0 root
Sent 60034332 bytes 40042 pkt (dropped 1176284, overlimits 0 requeues 5)
backlog 1514Kb 1024p requeues 5
qdisc fq_codel 0: dev wlan0 parent :1 limit 1024p flows 1024 quantum
1514 target 5.0ms interval 100.0ms ecn
Sent 1304 bytes 14 pkt (dropped 0, overlimits 0 requeues 0)
backlog 0b 0p requeues 0
maxpacket 0 drop_overlimit 0 new_flow_count 0 ecn_mark 0
new_flows_len 0 old_flows_len 0
qdisc fq_codel 0: dev wlan0 parent :2 limit 1024p flows 1024 quantum
1514 target 5.0ms interval 100.0ms ecn
Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0)
backlog 0b 0p requeues 0
maxpacket 0 drop_overlimit 0 new_flow_count 0 ecn_mark 0
new_flows_len 0 old_flows_len 0
qdisc fq_codel 0: dev wlan0 parent :3 limit 1024p flows 1024 quantum
1514 target 5.0ms interval 100.0ms ecn
Sent 60398170 bytes 40201 pkt (dropped 1184220, overlimits 0 requeues 5)
backlog 1514Kb 1024p requeues 5
maxpacket 1514 drop_overlimit 1172942 new_flow_count 22 ecn_mark 0
new_flows_len 0 old_flows_len 1
qdisc fq_codel 0: dev wlan0 parent :4 limit 1024p flows 1024 quantum
1514 target 5.0ms interval 100.0ms ecn
Sent 22442 bytes 83 pkt (dropped 0, overlimits 0 requeues 0)
backlog 0b 0p requeues 0
maxpacket 0 drop_overlimit 0 new_flow_count 0 ecn_mark 0
new_flows_len 0 old_flows_len 0
TCP:
just started:
qdisc fq_codel 0: dev eth0 root refcnt 2 limit 1024p flows 1024
quantum 1514 target 5.0ms interval 100.0ms ecn
Sent 46784 bytes 299 pkt (dropped 0, overlimits 0 requeues 0)
backlog 0b 0p requeues 0
maxpacket 0 drop_overlimit 0 new_flow_count 0 ecn_mark 0
new_flows_len 0 old_flows_len 0
qdisc mq 0: dev wlan0 root
Sent 52313 bytes 265 pkt (dropped 0, overlimits 0 requeues 0)
backlog 0b 0p requeues 0
qdisc fq_codel 0: dev wlan0 parent :1 limit 1024p flows 1024 quantum
1514 target 5.0ms interval 100.0ms ecn
Sent 1304 bytes 14 pkt (dropped 0, overlimits 0 requeues 0)
backlog 0b 0p requeues 0
maxpacket 0 drop_overlimit 0 new_flow_count 0 ecn_mark 0
new_flows_len 0 old_flows_len 0
qdisc fq_codel 0: dev wlan0 parent :2 limit 1024p flows 1024 quantum
1514 target 5.0ms interval 100.0ms ecn
Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0)
backlog 0b 0p requeues 0
maxpacket 0 drop_overlimit 0 new_flow_count 0 ecn_mark 0
new_flows_len 0 old_flows_len 0
qdisc fq_codel 0: dev wlan0 parent :3 limit 1024p flows 1024 quantum
1514 target 5.0ms interval 100.0ms ecn
Sent 33248 bytes 194 pkt (dropped 0, overlimits 0 requeues 0)
backlog 0b 0p requeues 0
maxpacket 0 drop_overlimit 0 new_flow_count 0 ecn_mark 0
new_flows_len 0 old_flows_len 0
qdisc fq_codel 0: dev wlan0 parent :4 limit 1024p flows 1024 quantum
1514 target 5.0ms interval 100.0ms ecn
Sent 17761 bytes 57 pkt (dropped 0, overlimits 0 requeues 0)
backlog 0b 0p requeues 0
maxpacket 0 drop_overlimit 0 new_flow_count 0 ecn_mark 0
new_flows_len 0 old_flows_len 0
after 10s of test:
qdisc fq_codel 0: dev eth0 root refcnt 2 limit 1024p flows 1024
quantum 1514 target 5.0ms interval 100.0ms ecn
Sent 4274547 bytes 64354 pkt (dropped 0, overlimits 0 requeues 1)
backlog 0b 0p requeues 1
maxpacket 66 drop_overlimit 0 new_flow_count 1 ecn_mark 0
new_flows_len 0 old_flows_len 0
qdisc mq 0: dev wlan0 root
Sent 766641277 bytes 507064 pkt (dropped 0, overlimits 0 requeues 482)
backlog 483032b 320p requeues 482
qdisc fq_codel 0: dev wlan0 parent :1 limit 1024p flows 1024 quantum
1514 target 5.0ms interval 100.0ms ecn
Sent 1304 bytes 14 pkt (dropped 0, overlimits 0 requeues 0)
backlog 0b 0p requeues 0
maxpacket 0 drop_overlimit 0 new_flow_count 0 ecn_mark 0
new_flows_len 0 old_flows_len 0
qdisc fq_codel 0: dev wlan0 parent :2 limit 1024p flows 1024 quantum
1514 target 5.0ms interval 100.0ms ecn
Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0)
backlog 0b 0p requeues 0
maxpacket 0 drop_overlimit 0 new_flow_count 0 ecn_mark 0
new_flows_len 0 old_flows_len 0
qdisc fq_codel 0: dev wlan0 parent :3 limit 1024p flows 1024 quantum
1514 target 5.0ms interval 100.0ms ecn
Sent 768001532 bytes 507905 pkt (dropped 0, overlimits 0 requeues 482)
backlog 529900b 350p requeues 482
maxpacket 1514 drop_overlimit 0 new_flow_count 37 ecn_mark 0
new_flows_len 0 old_flows_len 1
qdisc fq_codel 0: dev wlan0 parent :4 limit 1024p flows 1024 quantum
1514 target 5.0ms interval 100.0ms ecn
Sent 17761 bytes 57 pkt (dropped 0, overlimits 0 requeues 0)
backlog 0b 0p requeues 0
maxpacket 0 drop_overlimit 0 new_flow_count 0 ecn_mark 0
new_flows_len 0 old_flows_len 0
after 20s of test:
qdisc fq_codel 0: dev eth0 root refcnt 2 limit 1024p flows 1024
quantum 1514 target 5.0ms interval 100.0ms ecn
Sent 9064993 bytes 136936 pkt (dropped 0, overlimits 0 requeues 1)
backlog 0b 0p requeues 1
maxpacket 66 drop_overlimit 0 new_flow_count 1 ecn_mark 0
new_flows_len 0 old_flows_len 0
qdisc mq 0: dev wlan0 root
Sent 1638525871 bytes 1083456 pkt (dropped 0, overlimits 0 requeues 945)
backlog 0b 0p requeues 945
qdisc fq_codel 0: dev wlan0 parent :1 limit 1024p flows 1024 quantum
1514 target 5.0ms interval 100.0ms ecn
Sent 1304 bytes 14 pkt (dropped 0, overlimits 0 requeues 0)
backlog 0b 0p requeues 0
maxpacket 0 drop_overlimit 0 new_flow_count 0 ecn_mark 0
new_flows_len 0 old_flows_len 0
qdisc fq_codel 0: dev wlan0 parent :2 limit 1024p flows 1024 quantum
1514 target 5.0ms interval 100.0ms ecn
Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0)
backlog 0b 0p requeues 0
maxpacket 0 drop_overlimit 0 new_flow_count 0 ecn_mark 0
new_flows_len 0 old_flows_len 0
qdisc fq_codel 0: dev wlan0 parent :3 limit 1024p flows 1024 quantum
1514 target 5.0ms interval 100.0ms ecn
Sent 1638506477 bytes 1083381 pkt (dropped 0, overlimits 0 requeues 945)
backlog 0b 0p requeues 945
maxpacket 1514 drop_overlimit 0 new_flow_count 70 ecn_mark 0
new_flows_len 0 old_flows_len 1
qdisc fq_codel 0: dev wlan0 parent :4 limit 1024p flows 1024 quantum
1514 target 5.0ms interval 100.0ms ecn
Sent 18090 bytes 61 pkt (dropped 0, overlimits 0 requeues 0)
backlog 0b 0p requeues 0
maxpacket 0 drop_overlimit 0 new_flow_count 0 ecn_mark 0
new_flows_len 0 old_flows_len 0
That's with https://git.kernel.org/cgit/linux/kernel/git/davem/net-next.git/commit/?id=9d18562a227874289fda8ca5d117d8f503f1dcca
Having same (low) speeds.
So it didn't help at all :(
Regards,
Roman
next prev parent reply other threads:[~2016-05-05 16:07 UTC|newest]
Thread overview: 80+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-01 3:41 [Make-wifi-fast] " Dave Taht
2016-05-01 4:46 ` Jonathan Morton
2016-05-01 5:08 ` Ben Greear
2016-05-01 5:23 ` Dave Taht
2016-05-01 14:47 ` dpreed
[not found] ` <CAJq5cE2woA3yb6i_7NLPpxjzvhsVk5uL8BnSTAY7Lp-M0KiPNg@mail.gmail.com>
[not found] ` <CAJq5cE2K0yrz6ALAoKWu23RSJZX9Y_P7Mqcy9ba8e-L3AVhOaA@mail.gmail.com>
2016-05-01 15:51 ` Jonathan Morton
2016-05-02 14:03 ` Roman Yeryomin
2016-05-02 18:40 ` Dave Taht
2016-05-02 20:17 ` [Make-wifi-fast] [Codel] " Isaac Konikoff
2016-05-05 13:55 ` [Make-wifi-fast] " Roman Yeryomin
2016-05-05 14:55 ` Roman Yeryomin
2016-05-02 19:47 ` David Lang
2016-05-01 17:59 ` [Make-wifi-fast] [Codel] " Eric Dumazet
2016-05-01 18:20 ` Jonathan Morton
2016-05-01 18:46 ` Eric Dumazet
2016-05-01 19:55 ` Eric Dumazet
2016-05-02 7:47 ` Jesper Dangaard Brouer
2016-05-01 20:35 ` Jonathan Morton
2016-05-01 20:55 ` Eric Dumazet
2016-05-02 14:18 ` Roman Yeryomin
2016-05-02 15:07 ` Eric Dumazet
2016-05-02 15:43 ` Roman Yeryomin
2016-05-02 16:14 ` Eric Dumazet
2016-05-02 17:08 ` Dave Taht
2016-05-02 17:44 ` Eric Dumazet
2016-05-05 14:32 ` Roman Yeryomin
2016-05-05 14:53 ` Roman Yeryomin
2016-05-05 15:32 ` Dave Taht
2016-05-05 16:07 ` Roman Yeryomin [this message]
2016-05-05 16:59 ` Jonathan Morton
2016-05-05 17:39 ` Roman Yeryomin
2016-05-05 18:16 ` Dave Taht
2016-05-05 18:33 ` Dave Taht
2016-05-05 16:12 ` Eric Dumazet
2016-05-05 16:25 ` Roman Yeryomin
2016-05-05 16:42 ` Roman Yeryomin
2016-05-06 10:55 ` Roman Yeryomin
2016-05-05 19:23 ` Eric Dumazet
2016-05-05 19:41 ` Dave Taht
2016-05-06 8:41 ` moeller0
2016-05-06 11:33 ` Jesper Dangaard Brouer
2016-05-06 11:46 ` moeller0
2016-05-06 13:25 ` Eric Dumazet
2016-05-06 15:25 ` moeller0
2016-05-06 15:58 ` Eric Dumazet
2016-05-06 16:30 ` moeller0
2016-05-06 9:42 ` [Make-wifi-fast] OpenWRT wrong adjustment of fq_codel defaults (Was: [Codel] fq_codel_drop vs a udp flood) Jesper Dangaard Brouer
2016-05-06 12:47 ` Jesper Dangaard Brouer
2016-05-06 18:43 ` Roman Yeryomin
2016-05-06 18:56 ` Roman Yeryomin
2016-05-06 19:43 ` Dave Taht
2016-05-15 22:34 ` Roman Yeryomin
2016-05-15 23:07 ` Eric Dumazet
2016-05-15 23:27 ` Roman Yeryomin
2016-05-16 8:12 ` David Lang
2016-05-16 8:26 ` Roman Yeryomin
2016-05-16 8:46 ` David Lang
2016-05-16 10:34 ` [Make-wifi-fast] [OpenWrt-Devel] " Sebastian Moeller
2016-05-16 8:14 ` [Make-wifi-fast] " Roman Yeryomin
2016-05-16 14:23 ` Eric Dumazet
2016-05-16 16:04 ` Dave Taht
2016-05-16 19:46 ` Roman Yeryomin
2016-05-07 9:57 ` Kevin Darbyshire-Bryant
2016-05-15 22:47 ` Roman Yeryomin
2016-05-03 2:26 ` [Make-wifi-fast] [Codel] fq_codel_drop vs a udp flood Dave Taht
2016-05-03 5:21 ` Dave Taht
2016-05-03 12:39 ` Agarwal, Anil
2016-05-03 12:50 ` Agarwal, Anil
2016-05-03 13:35 ` Eric Dumazet
2016-05-03 15:37 ` Agarwal, Anil
2016-05-03 17:37 ` Dave Taht
2016-05-03 17:54 ` Eric Dumazet
2016-05-03 18:11 ` Dave Taht
2016-05-01 18:26 ` Dave Taht
2016-05-01 22:30 ` Eric Dumazet
2016-05-02 14:09 ` Roman Yeryomin
2016-05-02 15:04 ` Eric Dumazet
2016-05-02 15:42 ` Roman Yeryomin
2016-05-02 13:47 ` [Make-wifi-fast] " Roman Yeryomin
2016-05-02 15:01 ` Eric Dumazet
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