[Cerowrt-devel] performance numbers from WRT1200AC (Re: Latest build test - new sqm-scripts seem to work; "cake overhead 40" didn't)
Mikael Abrahamsson
swmike at swm.pp.se
Sun Jun 28 13:32:22 EDT 2015
On Sun, 28 Jun 2015, Sebastian Moeller wrote:
> This looks great, could you by any chance confirm that the GUI
> does allow to configure cake and that you can or can not set the
> overhead for cake in the link layer adjustments (LLA) tab? (select cake
> as link layer adjustment method, and put 42 into the overhead field and
> report the output of “tc -d qdisc” before and after selecting cake as
> LLA). @Toke: If that works, I think we can safely push these changes
> into the openwrt repositories...
Here is the output. What I don't see is both ingress and egress ECN
markings even though I have selected this in the advanced configuration
under Queue Discipline.
Before changing LLA:
root at OpenWrt:~# tc -d qdisc
qdisc htb 1: dev eth0 root refcnt 9 r2q 10 default 12 direct_packets_stat
0 ver 3.17 direct_qlen 532
qdisc cake 110: dev eth0 parent 1:11 unlimited diffserv4 flows raw
qdisc cake 120: dev eth0 parent 1:12 unlimited diffserv4 flows raw
qdisc cake 130: dev eth0 parent 1:13 unlimited diffserv4 flows raw
qdisc ingress ffff: dev eth0 parent ffff:fff1 ----------------
qdisc mq 0: dev eth1 root
qdisc fq_codel 0: dev eth1 parent :1 limit 1024p flows 1024 quantum 300
target 5.0ms interval 100.0ms ecn
qdisc fq_codel 0: dev eth1 parent :2 limit 1024p flows 1024 quantum 300
target 5.0ms interval 100.0ms ecn
qdisc fq_codel 0: dev eth1 parent :3 limit 1024p flows 1024 quantum 300
target 5.0ms interval 100.0ms ecn
qdisc fq_codel 0: dev eth1 parent :4 limit 1024p flows 1024 quantum 300
target 5.0ms interval 100.0ms ecn
qdisc fq_codel 0: dev eth1 parent :5 limit 1024p flows 1024 quantum 300
target 5.0ms interval 100.0ms ecn
qdisc fq_codel 0: dev eth1 parent :6 limit 1024p flows 1024 quantum 300
target 5.0ms interval 100.0ms ecn
qdisc fq_codel 0: dev eth1 parent :7 limit 1024p flows 1024 quantum 300
target 5.0ms interval 100.0ms ecn
qdisc fq_codel 0: dev eth1 parent :8 limit 1024p flows 1024 quantum 300
target 5.0ms interval 100.0ms ecn
qdisc htb 1: dev ifb4eth0 root refcnt 2 r2q 10 default 12
direct_packets_stat 0 ver 3.17 direct_qlen 32
qdisc cake 110: dev ifb4eth0 parent 1:11 unlimited diffserv4 flows raw
qdisc cake 120: dev ifb4eth0 parent 1:12 unlimited diffserv4 flows raw
qdisc cake 130: dev ifb4eth0 parent 1:13 unlimited diffserv4 flows raw
After changing LLA:
root at OpenWrt:~# tc -d qdisc
qdisc htb 1: dev eth0 root refcnt 9 r2q 10 default 12 direct_packets_stat
0 ver 3.17 direct_qlen 532
linklayer ethernet overhead 42
qdisc cake 110: dev eth0 parent 1:11 unlimited diffserv4 flows raw
qdisc cake 120: dev eth0 parent 1:12 unlimited diffserv4 flows raw
qdisc cake 130: dev eth0 parent 1:13 unlimited diffserv4 flows raw
qdisc ingress ffff: dev eth0 parent ffff:fff1 ----------------
qdisc mq 0: dev eth1 root
qdisc fq_codel 0: dev eth1 parent :1 limit 1024p flows 1024 quantum 300
target 5.0ms interval 100.0ms ecn
qdisc fq_codel 0: dev eth1 parent :2 limit 1024p flows 1024 quantum 300
target 5.0ms interval 100.0ms ecn
qdisc fq_codel 0: dev eth1 parent :3 limit 1024p flows 1024 quantum 300
target 5.0ms interval 100.0ms ecn
qdisc fq_codel 0: dev eth1 parent :4 limit 1024p flows 1024 quantum 300
target 5.0ms interval 100.0ms ecn
qdisc fq_codel 0: dev eth1 parent :5 limit 1024p flows 1024 quantum 300
target 5.0ms interval 100.0ms ecn
qdisc fq_codel 0: dev eth1 parent :6 limit 1024p flows 1024 quantum 300
target 5.0ms interval 100.0ms ecn
qdisc fq_codel 0: dev eth1 parent :7 limit 1024p flows 1024 quantum 300
target 5.0ms interval 100.0ms ecn
qdisc fq_codel 0: dev eth1 parent :8 limit 1024p flows 1024 quantum 300
target 5.0ms interval 100.0ms ecn
qdisc htb 1: dev ifb4eth0 root refcnt 2 r2q 10 default 12
direct_packets_stat 0 ver 3.17 direct_qlen 32
linklayer ethernet overhead 42
qdisc cake 110: dev ifb4eth0 parent 1:11 unlimited diffserv4 flows raw
qdisc cake 120: dev ifb4eth0 parent 1:12 unlimited diffserv4 flows raw
qdisc cake 130: dev ifb4eth0 parent 1:13 unlimited diffserv4 flows raw
--
Mikael Abrahamsson email: swmike at swm.pp.se
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