dtaht / sch_cake

Out of tree build for the new cake qdisc
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1/3 download bandwidth when I use full bandwidth for upload. #142

Closed yutayu closed 4 years ago

yutayu commented 4 years ago

root@raspberrypi:/home/pi# tc -s qdisc show dev eth0 qdisc cake 8021: root refcnt 2 bandwidth 831Kbit besteffort dual-srchost nonat nowash ack-filter split-gso rtt 100.0ms atm overhead 10 Sent 3816835440 bytes 8077772 pkt (dropped 4081969, overlimits 18216959 requeues 12) backlog 10156b 7p requeues 12 memory used: 224925b of 4Mb capacity estimate: 831Kbit min/max network layer size: 28 / 1478 min/max overhead-adjusted size: 53 / 1643 average network hdr offset: 14

              Tin 0

thresh 831Kbit target 21.7ms interval 116.7ms pk_delay 213.1ms av_delay 54.3ms sp_delay 10.0ms backlog 10156b pkts 12159752 bytes 5089747571 way_inds 1894972 way_miss 237866 way_cols 0 drops 965953 marks 3276 ack_drop 3116016 sp_flows 6 bk_flows 8 un_flows 0 max_len 2984 quantum 300

qdisc ingress ffff: parent ffff:fff1 ---------------- Sent 15132811156 bytes 14240800 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0

root@raspberrypi:/home/pi# tc -s qdisc show dev ifb4eth0 qdisc cake 8022: root refcnt 2 bandwidth 10833Kbit besteffort dual-dsthost nonat wash ack-filter split-gso rtt 100.0ms atm overhead 10 Sent 15281991320 bytes 14209088 pkt (dropped 36361, overlimits 17978249 requeues 0) backlog 0b 0p requeues 0 memory used: 45Kb of 4Mb capacity estimate: 10833Kbit min/max network layer size: 28 / 1500 min/max overhead-adjusted size: 53 / 1696 average network hdr offset: 14

              Tin 0

thresh 10833Kbit target 5.0ms interval 100.0ms pk_delay 595us av_delay 184us sp_delay 22us backlog 0b pkts 14245449 bytes 15336155566 way_inds 2169522 way_miss 255995 way_cols 0 drops 36344 marks 1337 ack_drop 17 sp_flows 12 bk_flows 1 un_flows 0 max_len 1514 quantum 330

root@raspberrypi:/home/pi# uname -a Linux raspberrypi 5.4.51-v7+ #1333 SMP Mon Aug 10 16:45:19 BST 2020 armv7l GNU/Linux

yutayu commented 4 years ago

Excuse me , This is not issue.