Re: [Cerowrt-devel] Fwd: Re: CeroWrt 3.10.24-8 badly bloated?

[Fred Stratton <fredstratton@imap.cc>]

[-- Attachment #1: Type: text/plain, Size: 11791 bytes --]

I guessed input into Dangerous options was required, but was unsure of 
the syntax.  Quite how /etc/config/sqm is read is another matter to be 
addressed over ssh.

I shall paste all in one email response, for you to rearrange at the 
other end. Both use simple.qos.

With pie:

tc -d qdisc
qdisc fq_codel a: dev se00 root refcnt 2 limit 1000p flows 1024 quantum 
1000 target 5.0ms interval 100.0ms ecn
qdisc htb 1: dev ge00 root refcnt 2 r2q 10 default 12 
direct_packets_stat 6 ver 3.17
  linklayer atm overhead 18 mtu 2047 tsize 128
qdisc pie 110: dev ge00 parent 1:11 limit 1000p target 25000 tupdate 
30000 alpha 2 beta 20
qdisc pie 120: dev ge00 parent 1:12 limit 1000p target 25000 tupdate 
30000 alpha 2 beta 20
qdisc pie 130: dev ge00 parent 1:13 limit 1000p target 25000 tupdate 
30000 alpha 2 beta 20
qdisc ingress ffff: dev ge00 parent ffff:fff1 ----------------
qdisc htb 1: dev ifb0 root refcnt 2 r2q 10 default 12 
direct_packets_stat 0 ver 3.17
  linklayer atm overhead 18 mtu 2047 tsize 128
qdisc pie 110: dev ifb0 parent 1:11 limit 1000p target 20000 tupdate 
30000 alpha 2 beta 20 ecn
qdisc pie 120: dev ifb0 parent 1:12 limit 1000p target 20000 tupdate 
30000 alpha 2 beta 20 ecn
qdisc pie 130: dev ifb0 parent 1:13 limit 1000p target 20000 tupdate 
30000 alpha 2 beta 20 ecn
qdisc mq 1: dev sw10 root
qdisc fq_codel 10: dev sw10 parent 1:1 limit 800p flows 1024 quantum 500 
target 10.0ms interval 100.0ms
qdisc fq_codel 20: dev sw10 parent 1:2 limit 800p flows 1024 quantum 300 
target 5.0ms interval 100.0ms ecn
qdisc fq_codel 30: dev sw10 parent 1:3 limit 1000p flows 1024 quantum 
300 target 5.0ms interval 100.0ms ecn
qdisc fq_codel 40: dev sw10 parent 1:4 limit 1000p flows 1024 quantum 
300 target 5.0ms interval 100.0ms
qdisc mq 1: dev sw00 root
qdisc fq_codel 10: dev sw00 parent 1:1 limit 800p flows 1024 quantum 500 
target 10.0ms interval 100.0ms
qdisc fq_codel 20: dev sw00 parent 1:2 limit 800p flows 1024 quantum 300 
target 5.0ms interval 100.0ms ecn
qdisc fq_codel 30: dev sw00 parent 1:3 limit 1000p flows 1024 quantum 
300 target 5.0ms interval 100.0ms ecn
qdisc fq_codel 40: dev sw00 parent 1:4 limit 1000p flows 1024 quantum 
300 target 5.0ms interval 100.0ms
qdisc mq 1: dev gw00 root
qdisc fq_codel 10: dev gw00 parent 1:1 limit 800p flows 1024 quantum 500 
target 10.0ms interval 100.0ms
qdisc fq_codel 20: dev gw00 parent 1:2 limit 800p flows 1024 quantum 300 
target 5.0ms interval 100.0ms ecn
qdisc fq_codel 30: dev gw00 parent 1:3 limit 1000p flows 1024 quantum 
300 target 5.0ms interval 100.0ms ecn
qdisc fq_codel 40: dev gw00 parent 1:4 limit 1000p flows 1024 quantum 
300 target 5.0ms interval 100.0ms
qdisc mq 1: dev gw10 root
qdisc fq_codel 10: dev gw10 parent 1:1 limit 800p flows 1024 quantum 500 
target 10.0ms interval 100.0ms
qdisc fq_codel 20: dev gw10 parent 1:2 limit 800p flows 1024 quantum 300 
target 5.0ms interval 100.0ms ecn
qdisc fq_codel 30: dev gw10 parent 1:3 limit 1000p flows 1024 quantum 
300 target 5.0ms interval 100.0ms ecn
qdisc fq_codel 40: dev gw10 parent 1:4 limit 1000p flows 1024 quantum 
300 target 5.0ms interval 100.0ms
qdisc fq_codel a: dev pppoe-ge00 root refcnt 2 limit 1000p flows 1024 
quantum 1000 target 5.0ms interval 100.0ms ecn


tc class show dev ge00
class htb 1:11 parent 1:1 leaf 110: prio 1 rate 128000bit ceil 316000bit 
burst 1600b cburst 1599b
class htb 1:1 root rate 950000bit ceil 950000bit burst 1599b cburst 1599b
class htb 1:10 parent 1:1 prio 0 rate 950000bit ceil 950000bit burst 
1599b cburst 1599b
class htb 1:13 parent 1:1 leaf 130: prio 3 rate 158000bit ceil 934000bit 
burst 1599b cburst 1599b
class htb 1:12 parent 1:1 leaf 120: prio 2 rate 158000bit ceil 934000bit 
burst 1599b cburst 1599b

with fq_codel, and 25ms target:

tc -d qdisc
qdisc fq_codel a: dev se00 root refcnt 2 limit 1000p flows 1024 quantum 
1000 target 5.0ms interval 100.0ms ecn
qdisc htb 1: dev ge00 root refcnt 2 r2q 10 default 12 
direct_packets_stat 9 ver 3.17
  linklayer atm overhead 18 mtu 2047 tsize 128
qdisc fq_codel 110: dev ge00 parent 1:11 limit 1000p flows 1024 quantum 
300 target 25.0ms interval 100.0ms
qdisc fq_codel 120: dev ge00 parent 1:12 limit 1000p flows 1024 quantum 
300 target 25.0ms interval 100.0ms
qdisc fq_codel 130: dev ge00 parent 1:13 limit 1000p flows 1024 quantum 
300 target 25.0ms interval 100.0ms
qdisc ingress ffff: dev ge00 parent ffff:fff1 ----------------
qdisc htb 1: dev ifb0 root refcnt 2 r2q 10 default 12 
direct_packets_stat 0 ver 3.17
  linklayer atm overhead 18 mtu 2047 tsize 128
qdisc fq_codel 110: dev ifb0 parent 1:11 limit 1000p flows 1024 quantum 
500 target 5.0ms interval 100.0ms ecn
qdisc fq_codel 120: dev ifb0 parent 1:12 limit 1000p flows 1024 quantum 
1500 target 5.0ms interval 100.0ms ecn
qdisc fq_codel 130: dev ifb0 parent 1:13 limit 1000p flows 1024 quantum 
300 target 5.0ms interval 100.0ms ecn
qdisc mq 1: dev sw00 root
qdisc fq_codel 10: dev sw00 parent 1:1 limit 800p flows 1024 quantum 500 
target 10.0ms interval 100.0ms
qdisc fq_codel 20: dev sw00 parent 1:2 limit 800p flows 1024 quantum 300 
target 5.0ms interval 100.0ms ecn
qdisc fq_codel 30: dev sw00 parent 1:3 limit 1000p flows 1024 quantum 
300 target 5.0ms interval 100.0ms ecn
qdisc fq_codel 40: dev sw00 parent 1:4 limit 1000p flows 1024 quantum 
300 target 5.0ms interval 100.0ms
qdisc mq 1: dev sw10 root
qdisc fq_codel 10: dev sw10 parent 1:1 limit 800p flows 1024 quantum 500 
target 10.0ms interval 100.0ms
qdisc fq_codel 20: dev sw10 parent 1:2 limit 800p flows 1024 quantum 300 
target 5.0ms interval 100.0ms ecn
qdisc fq_codel 30: dev sw10 parent 1:3 limit 1000p flows 1024 quantum 
300 target 5.0ms interval 100.0ms ecn
qdisc fq_codel 40: dev sw10 parent 1:4 limit 1000p flows 1024 quantum 
300 target 5.0ms interval 100.0ms
qdisc mq 1: dev gw00 root
qdisc fq_codel 10: dev gw00 parent 1:1 limit 800p flows 1024 quantum 500 
target 10.0ms interval 100.0ms
qdisc fq_codel 20: dev gw00 parent 1:2 limit 800p flows 1024 quantum 300 
target 5.0ms interval 100.0ms ecn
qdisc fq_codel 30: dev gw00 parent 1:3 limit 1000p flows 1024 quantum 
300 target 5.0ms interval 100.0ms ecn
qdisc fq_codel 40: dev gw00 parent 1:4 limit 1000p flows 1024 quantum 
300 target 5.0ms interval 100.0ms
qdisc mq 1: dev gw10 root
qdisc fq_codel 10: dev gw10 parent 1:1 limit 800p flows 1024 quantum 500 
target 10.0ms interval 100.0ms
qdisc fq_codel 20: dev gw10 parent 1:2 limit 800p flows 1024 quantum 300 
target 5.0ms interval 100.0ms ecn
qdisc fq_codel 30: dev gw10 parent 1:3 limit 1000p flows 1024 quantum 
300 target 5.0ms interval 100.0ms ecn
qdisc fq_codel 40: dev gw10 parent 1:4 limit 1000p flows 1024 quantum 
300 target 5.0ms interval 100.0ms
qdisc fq_codel a: dev pppoe-ge00 root refcnt 2 limit 1000p flows 1024 
quantum 1000 target 5.0ms interval 100.0ms ecn


tc class show dev ge00
class htb 1:11 parent 1:1 leaf 110: prio 1 rate 128000bit ceil 316000bit 
burst 1600b cburst 1599b
class htb 1:1 root rate 950000bit ceil 950000bit burst 1599b cburst 1599b
class htb 1:10 parent 1:1 prio 0 rate 950000bit ceil 950000bit burst 
1599b cburst 1599b
class htb 1:13 parent 1:1 leaf 130: prio 3 rate 158000bit ceil 934000bit 
burst 1599b cburst 1599b
class htb 1:12 parent 1:1 leaf 120: prio 2 rate 158000bit ceil 934000bit 
burst 1599b cburst 1599b
class fq_codel 110:2c9 parent 110:
class fq_codel 120:1a5 parent 120:
class fq_codel 120:31f parent 120:



On 27/12/13 19:49, Dave Taht wrote:
>
>
> Pie has a default latency target of 20ms, fq codel 5ms. (But the fq 
> code target matters less as the target only applies to queue building 
> flows)
>
> A packet takes 13ms to transit the device at 1mbit.
>
> There is a change to fq codel in this release that should make 
> fiddling with target a low speeds less needed. (But might have other 
> problems) Still a comparison at roughly the same target vs a vs pie in 
> your environment would be very interesting.
>
> I suggested 25ms as a test (as pie never makes 20ms anyway)
>
> I came close to inserting a simple formula to start increasing the 
> target below 4mbit in this release.
>
> On Dec 27, 2013 11:25 AM, "Sebastian Moeller" <moeller0@gmx.de 
> <mailto:moeller0@gmx.de>> wrote:
> >
> > Hi Fred,
> >
> > you could try to put "target 25ms" without the quotes into the 
> advanced egress options field in the "Queue Discipline" tab, that is 
> exposed after checking "Show Dangerous Configuration". I would love to 
> hear whether that worked or not (I am not able to test anything 
> myself). Maybe posting the output of "tc -d qdisc" and "tc class show 
> dev ge00" would help. Good luck…
> >
> >
> > Best Regards
> >         Sebastian
> >
> >
> > On Dec 27, 2013, at 20:20 , Fred Stratton <fredstratton@imap.cc> wrote:
> >
> > > I have been using pie for approximately 3 weeks.
> > >
> > > You are correct, in that the outbound speed is about 800 - 900 kb/s.
> > >
> > > I shall try what you suggest, but do not know how to express the 
> target of 25 ms as a configuration option.
> > >
> > >
> > > On 27/12/13 19:15, Dave Taht wrote:
> > >> Dear fred: are you sticking with pie? I was going to suggest you 
> try fq codel with a target 25ms on your outbound. (You are at 800kbit 
> or so as best I recall?)
> > >>
> > >> On Dec 27, 2013 11:10 AM, "Fred Stratton" <fredstratton@imap.cc> 
> wrote:
> > >> I upgraded to 3.10.24-8 on 2013-12-23.
> > >>
> > >> I modified /etc/fixdaemons, adding
> > >> /etc/init.d/sqm restart
> > >>
> > >> input the appropriate sqm settings, transcribed from aqm
> > >>
> > >> rebooted
> > >>
> > >> and the build works very well. For ADSL2+ here, it is the best so 
> far.
> > >>
> > >>
> > >> On 27/12/13 18:55, Dave Taht wrote:
> > >>> A race condition appears to have crept in...
> > >>>
> > >>> ---------- Forwarded message ----------
> > >>> From: "Dave Taht" <dave.taht@gmail.com <mailto:dave.taht@gmail.com>>
> > >>> Date: Dec 27, 2013 10:47 AM
> > >>> Subject: Re: [Cerowrt-devel] CeroWrt 3.10.24-8 badly bloated?
> > >>> To: "Richard E. Brown" <richb.hanover@gmail.com 
> <mailto:richb.hanover@gmail.com>>
> > >>> Cc:
> > >>>
> > >>> Probably didn't start sqm properly
> > >>>
> > >>> Restart it by hand via /etc/init.d/sqm restart
> > >>>
> > >>> tc -s qdisc show dev ge00
> > >>>
> > >>> Should show htb and fq codel.
> > >>>
> > >>> On Dec 27, 2013 10:36 AM, "Rich Brown" <richb.hanover@gmail.com 
> <mailto:richb.hanover@gmail.com>> wrote:
> > >>> So I screwed up my courage and replaced my 3.10.18-? firmware in 
> my primary router with 3.10.24-8. That version had worked well as a 
> secondary, so I figured, What the heck… Let’s give it try.
> > >>>
> > >>> The result was not pretty. I set my link speeds in the SQM page, 
> chose the defaults for the Queue Discipline tab, and link layer to ATM 
> with no additional overhead for my DSL link.
> > >>>
> > >>> Ping times to google are normally ~51-54 msec. But when I fired 
> up speedtest.net <http://speedtest.net>, they jumped to 1500-2500 
> msec. Is there something I should look at before reverting? Thanks.
> > >>>
> > >>> Rich
> > >>> _______________________________________________
> > >>> Cerowrt-devel mailing list
> > >>> Cerowrt-devel@lists.bufferbloat.net 
> <mailto:Cerowrt-devel@lists.bufferbloat.net>
> > >>> https://lists.bufferbloat.net/listinfo/cerowrt-devel
> > >>>
> > >>>
> > >>> _______________________________________________
> > >>> Cerowrt-devel mailing list
> > >>>
> > >>> Cerowrt-devel@lists.bufferbloat.net 
> <mailto:Cerowrt-devel@lists.bufferbloat.net>
> > >>> https://lists.bufferbloat.net/listinfo/cerowrt-devel
> > >>
> > >
> > > _______________________________________________
> > > Cerowrt-devel mailing list
> > > Cerowrt-devel@lists.bufferbloat.net 
> <mailto:Cerowrt-devel@lists.bufferbloat.net>
> > > https://lists.bufferbloat.net/listinfo/cerowrt-devel
> >
>


[-- Attachment #2: Type: text/html, Size: 15871 bytes --]