> On 8 Mar 2018, at 11:09, Kevin Darbyshire-Bryant > <[email protected]> wrote: > > > >> On 8 Mar 2018, at 10:57, Toke Høiland-Jørgensen <[email protected]> wrote: >> >> Kevin Darbyshire-Bryant <[email protected]> writes: >> >>> Archer c7 v2. master branch of openwrt >> >> Ah, great; I actually have one of those sitting on my desk that I could >> potentially reflash without breaking anything too important. >> >> In the meantime; do you get the same weird output on the >> dropped/overlimit/requeues fields if you install a different qdisc than >> cake? > > From previous email this morning: > >> Definitely dubious and I’m no longer convinced it’s a cake only issue. >> Looked at my AP which is running an older version of openwrt, so older cake, >> older kernel etc etc and all qdiscs are returning odd impossibly high values >> in a variety of fields. > > > > tc -s qdisc > qdisc noqueue 0: dev lo root refcnt 4485644 > Sent 0 bytes 0 pkts (dropped 0, overlimits 0) > qdisc fq_codel 0: dev eth1 root refcnt 4485644 limit 4497776p flows 4535164 > quantum 4536072 target 5.0ms interval 100.0ms memory_limit 4Mb ecn > Sent 74281480509 bytes 91321865 pkts (dropped 0, overlimits 0) > maxpacket 1514 drop_overlimit 0 new_flow_count 7549 ecn_mark 0 > new_flows_len 0 old_flows_len 0 > qdisc noqueue 0: dev br-lan root refcnt 4485644 > Sent 0 bytes 0 pkts (dropped 0, overlimits 0) > qdisc noqueue 0: dev eth1.2 root refcnt 4485644 > Sent 0 bytes 0 pkts (dropped 0, overlimits 0) > qdisc noqueue 0: dev br-wifi_guest root refcnt 4485644 > Sent 0 bytes 0 pkts (dropped 0, overlimits 0) > qdisc noqueue 0: dev eth1.15 root refcnt 4485644 > Sent 0 bytes 0 pkts (dropped 0, overlimits 0) > qdisc noqueue 0: dev wlan1 root refcnt 4485644 > Sent 0 bytes 0 pkts (dropped 0, overlimits 0) > qdisc noqueue 0: dev wlan0 root refcnt 4485644 > Sent 0 bytes 0 pkts (dropped 0, overlimits 0) > qdisc noqueue 0: dev wlan1-1 root refcnt 4485644 > Sent 0 bytes 0 pkts (dropped 0, overlimits 0) > qdisc noqueue 0: dev wlan0-1 root refcnt 4485644 > Sent 0 bytes 0 pkts (dropped 0, overlimits 0) > > And that’s on an openwrt system from commit > f5b4f5f8e33624f27af9fb3f86e09084181c08ed > Author: Alif M. Ahmad <[email protected]> > Date: Sun Feb 25 03:18:41 2018 +0000 > > So actually this problem has been around a little while, pre recent cake > changes.
Oh and curiously the bad values go away if you ask for json output it’s much
better. Which rather points at a ‘feature’ of the ‘print_string’ behaviour.
tc -s -j qdisc
[{
"kind": "noqueue",
"handle": "0:",
"dev": "lo",
"root": true,
"refcnt": 2,
"options": {} Sent 0 bytes 0 pkts (dropped 0, overlimits 0)
},{
"kind": "fq_codel",
"handle": "0:",
"dev": "eth1",
"root": true,
"refcnt": 2,
"options": {
"limit": 10240,
"flows": 1024,
"quantum": 1514,
"target": 4999,
"interval": 99999,
"memory_limit": 4194304,
"ecn": true
} Sent 74283705614 bytes 91330210 pkts (dropped 0, overlimits 0)
maxpacket 1514 drop_overlimit 0 new_flow_count 7549 ecn_mark 0
new_flows_len 0 old_flows_len 0
},{
"kind": "noqueue",
"handle": "0:",
"dev": "br-lan",
"root": true,
"refcnt": 2,
"options": {} Sent 0 bytes 0 pkts (dropped 0, overlimits 0)
},{
"kind": "noqueue",
"handle": "0:",
"dev": "eth1.2",
"root": true,
"refcnt": 2,
"options": {} Sent 0 bytes 0 pkts (dropped 0, overlimits 0)
},{
"kind": "noqueue",
"handle": "0:",
"dev": "br-wifi_guest",
"root": true,
"refcnt": 2,
"options": {} Sent 0 bytes 0 pkts (dropped 0, overlimits 0)
},{
"kind": "noqueue",
"handle": "0:",
"dev": "eth1.15",
"root": true,
"refcnt": 2,
"options": {} Sent 0 bytes 0 pkts (dropped 0, overlimits 0)
},{
"kind": "noqueue",
"handle": "0:",
"dev": "wlan1",
"root": true,
"refcnt": 2,
"options": {} Sent 0 bytes 0 pkts (dropped 0, overlimits 0)
},{
"kind": "noqueue",
"handle": "0:",
"dev": "wlan0",
"root": true,
"refcnt": 2,
"options": {} Sent 0 bytes 0 pkts (dropped 0, overlimits 0)
},{
"kind": "noqueue",
"handle": "0:",
"dev": "wlan1-1",
"root": true,
"refcnt": 2,
"options": {} Sent 0 bytes 0 pkts (dropped 0, overlimits 0)
},{
"kind": "noqueue",
"handle": "0:",
"dev": "wlan0-1",
"root": true,
"refcnt": 2,
"options": {} Sent 0 bytes 0 pkts (dropped 0, overlimits 0)
}
]
>
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Cheers,
Kevin D-B
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