On Fri, 26 Jun 2015, Dave Taht wrote:
your results are showing basically tail drop behavior. Although I
would have expected intrinsic delay on the link to crack 100mbits on
the rrul test, not 20ms (which is still high), and you only hit 7 on
the single threaded tcp up test, based on what I saw i
your results are showing basically tail drop behavior. Although I
would have expected intrinsic delay on the link to crack 100mbits on
the rrul test, not 20ms (which is still high), and you only hit 7 on
the single threaded tcp up test, based on what I saw in the driver.
turn off sqm, stay at 100m
On Fri, 26 Jun 2015, Dave Taht wrote:
Yes, but I am unsure from looking at the driver that using ethtool on
the egress on the wrt1200ac will actually work, but pretty sure it will
work if you set it on the server. feel free to try both. :)
I set speed 100 on my switch and did some new tests,
Honestly, you cannot draw that conclusion on cake yet. The new
firmware forwarded at something like 35% better rates than the old.[1]
So if you can show a dsireports speedtest on your hardware, on
fq_codel, also... that would be confirmation we are winning on cake on
your hardware.
[1] I have grea
Thank you all for cake...
One of my recent pains had been that Comcast doubled my download speed to
100mbps, and CeroWrt using fq_codel/htb couldn't hack anywhere near that
speed.
Now I have things set using cake, and can do much better, and have my cake
and eat it too.
http://www.dslreports.com
On Jun 26, 2015, at 21:48 , Dave Taht wrote:
> It turns out that I am pulling from openwrt for luci-app-sqm, not
> ceropackages, and overriding it was a headache. Fixed now, see below
>
> router# cd /tmp; wget
> http://snapon.lab.bufferbloat.net/~cero3/luci-app-sqm_3-5_all.ipk ;
> opkg install
Hi Dave, hi List,
On Jun 26, 2015, at 21:48 , Dave Taht wrote:
> It turns out that I am pulling from openwrt for luci-app-sqm, not
> ceropackages, and overriding it was a headache. Fixed now, see below
>
I guess Toke and I need to find a better way of updating the relevant
repository…
It turns out that I am pulling from openwrt for luci-app-sqm, not
ceropackages, and overriding it was a headache. Fixed now, see below
router# cd /tmp; wget
http://snapon.lab.bufferbloat.net/~cero3/luci-app-sqm_3-5_all.ipk ;
opkg install ./luci-app-sqm_3-5_all.ipk
router # /etc/init.d/uhttpd resta
On Fri, Jun 26, 2015 at 12:11 PM, Mikael Abrahamsson wrote:
> On Fri, 26 Jun 2015, Dave Taht wrote:
>
>> On Fri, Jun 26, 2015 at 11:58 AM, Dave Taht wrote:
>>>
>>> On Fri, Jun 26, 2015 at 11:38 AM, Mikael Abrahamsson
>>> wrote:
On Fri, 26 Jun 2015, Dave Taht wrote:
> Mikael, a
On Fri, 26 Jun 2015, Dave Taht wrote:
On Fri, Jun 26, 2015 at 11:58 AM, Dave Taht wrote:
On Fri, Jun 26, 2015 at 11:38 AM, Mikael Abrahamsson wrote:
On Fri, 26 Jun 2015, Dave Taht wrote:
Mikael, a simple test of the analysis I just did would be to use
ethtool to set your server to 100mbits
On Fri, Jun 26, 2015 at 11:58 AM, Dave Taht wrote:
> On Fri, Jun 26, 2015 at 11:38 AM, Mikael Abrahamsson wrote:
>> On Fri, 26 Jun 2015, Dave Taht wrote:
>>
>>> Mikael, a simple test of the analysis I just did would be to use
>>> ethtool to set your server to 100mbits (ethtool -s
>>> your_etherne
On Fri, Jun 26, 2015 at 11:38 AM, Mikael Abrahamsson wrote:
> On Fri, 26 Jun 2015, Dave Taht wrote:
>
>> Mikael, a simple test of the analysis I just did would be to use
>> ethtool to set your server to 100mbits (ethtool -s
>> your_ethernet_device advertise 0x008 and turn on fq_codel on both the
>
Hi Jim,
On Jun 26, 2015, at 19:21 , Jim Gettys wrote:
> Inquiring minds would like to know….
I guess, that depends on your definition of “LUCI GUI for cake”; as far
as I know you can select cake in the “Queueing Discipline” drop down in the
“Queue Discipline” tab of luci-app-sqm. So
On Fri, 26 Jun 2015, Dave Taht wrote:
Mikael, a simple test of the analysis I just did would be to use
ethtool to set your server to 100mbits (ethtool -s
your_ethernet_device advertise 0x008 and turn on fq_codel on both the
client and server.
Hm what do you mean by "client" and "server"?
Wher
On Fri, 26 Jun 2015, Dave Taht wrote:
(am I looking at the right driver for the linksys ac1200? mikael? what
does lspci and/or dmesg say for both this and the wifi on this
platform?)
lvneta and mwlwifi according to ethtool -i eth0 and wlan0 respectively.
--
Mikael Abrahamssonemail: swm..
Mikael, a simple test of the analysis I just did would be to use
ethtool to set your server to 100mbits (ethtool -s
your_ethernet_device advertise 0x008 and turn on fq_codel on both the
client and server.
if it is using classification for the hw mq, the rrul test from the
client will blow up half
Poking harder at the drivers/net/ethernet/marvel/mvneta.c:
(am I looking at the right driver for the linksys ac1200? mikael? what
does lspci and/or dmesg say for both this and the wifi on this
platform?)
1) this thing does not actually need a tx ring buffer structure, it
could fair queue all the
Inquiring minds would like to know
- Jim
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On Fri, Jun 26, 2015 at 9:35 AM, Jonathan Morton wrote:
> These would be hardware tail drops - there might not be a physical counter
> recording them. But you could instrument three driver to see whether the
> receive buffer is full when serviced.
from drivers/net/ethernet/marvel/mvneta.c:
/* Ma
On Fri, 26 Jun 2015, Dave Taht wrote:
I am never allergic to somene running a comprehensive flent suite
through something, and sticking the results up somewhere.
http://swm.pp.se/aqm/wdr4900-150626-9.tar
Happy no sneezing!
--
Mikael Abrahamssonemail: swm...@swm.pp.se
On Fri, Jun 26, 2015 at 9:36 AM, Mikael Abrahamsson wrote:
> On Fri, 26 Jun 2015, Sebastian Moeller wrote:
>
>> Tangent: What is the shaper rate the wdr4900 can push with
>> sqm-scripts? (Before your 1200ac results the ppc-soc in the wdr4900 looked
>> like the finest little router platform
On Fri, 26 Jun 2015, Sebastian Moeller wrote:
Tangent: What is the shaper rate the wdr4900 can push with
sqm-scripts? (Before your 1200ac results the ppc-soc in the wdr4900
looked like the finest little router platform in the last years, too bad
it was ignored by the mass market...)
Well, i
These would be hardware tail drops - there might not be a physical counter
recording them. But you could instrument three driver to see whether the
receive buffer is full when serviced.
- Jonathan Morton
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On Fri, Jun 26, 2015 at 9:18 AM, Jonathan Morton wrote:
> Hypothesis: this might have to do with the receive path. Some devices might
> have more capacity than others to buffer inbound packets until the CPU can
> get around to servicing them.
*Good* hypothesis. I am certain I have seen this on mu
On Fri, 26 Jun 2015, Jonathan Morton wrote:
Hypothesis: this might have to do with the receive path. Some devices might
have more capacity than others to buffer inbound packets until the CPU can
get around to servicing them.
Is there a way to tell? I am better at diagnosing Cisco CPU based rou
HI Mikael,
On Jun 26, 2015, at 16:49 , Mikael Abrahamsson wrote:
> On Fri, 26 Jun 2015, Mikael Abrahamsson wrote:
>
>> Btw, I tried WNDR3800 setting it to 100/100 SQM. It seems to max out around
>> 25-30k PPS, but the difference is that when the CPU is full, it seems to
>> delay/ECN-mark pac
Hypothesis: this might have to do with the receive path. Some devices might
have more capacity than others to buffer inbound packets until the CPU can
get around to servicing them.
- Jonathan Morton
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On Fri, 26 Jun 2015, Mikael Abrahamsson wrote:
Btw, I tried WNDR3800 setting it to 100/100 SQM. It seems to max out
around 25-30k PPS, but the difference is that when the CPU is full, it
seems to delay/ECN-mark packets because there are no packets lost. When
the WRT1200AC runs out of CPU it st
Hi Mikael,
On Jun 26, 2015, at 14:26 , Mikael Abrahamsson wrote:
> On Fri, 26 Jun 2015, Sebastian Moeller wrote:
>
>> Thanks for the tests, now I know what router to try next (the edgerouterX,
>> which I had eyed as a replacement for the shaper in the wndr3700 tops out at
>> 130K packets per
On Jun 25, 2015 10:35 AM, "Dave Taht" wrote:
>
> I have been abusing it on a picostation and nanostation now for 48
> hours. The archer c7v2 (as a source specific gateway) for a week. A
> couple wndr3800s. No crashes. Can still trigger the dreaded wifi TX
> DMA bug, but it seems harder now. DID re
On Fri, 26 Jun 2015, Sebastian Moeller wrote:
Thanks for the tests, now I know what router to try next (the
edgerouterX, which I had eyed as a replacement for the shaper in the
wndr3700 tops out at 130K packets per second and hence will not really
work that well for a 100/40 Mbps link).
I di
Hi Dave,
On Jun 26, 2015, at 00:26 , Dave Taht wrote:
> On Thu, Jun 25, 2015 at 1:15 PM, Sebastian Moeller wrote:
>> Hi Dave,
>>
>> this looks really great, thanks a lot. As I want to take part in the cake
>> party, this looks like the easiest/best way to start.
>
> Gui support for cake wou
Hi Mikael,
thanks a lot.
On Jun 24, 2015, at 13:31 , Mikael Abrahamsson wrote:
> On Tue, 23 Jun 2015, Sebastian Moeller wrote:
>
>> As Dave said it would be nice see RRUL data from the same testbed. It would
>> be so nice if flint had a way to send different sized TCP packets… (I guess
>> th
On Thu, 25 Jun 2015, Dave Taht wrote:
on your host, server, or switch. (you have pfifo_fast on your host) Try
fq_codel on host and server (and/or sch_fq) and see what happens.
Disable tso/gro/gso on your server/host also. That leaves the switch
which I have no insight into. What switch chip is
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