at first glance, default 0 is wrong for htb. That sends all packets through the default qdisc. On Wed, Feb 18, 2015 at 5:22 PM, rp-user <pinaroland@xxxxxxxxx> wrote: > Hello > I am using traffic control tools to schedule the outgoing traffic > using deficit round robin discipline, maybe there are better alg than > drr like codel but deficit-round robin was chosen as case study. the > tests are performed on a virtual environment using xen hypervisor. > Hereis my scenario: > > eth0------| bridge |---------+----- vif1.0 domU 192.168.1.115 > | | > | +----- vif2.0 domU 2 192.168.1.117 > dom0 | > +----- vif3.0 domU 3 192.168.1.120 > | > + ... ... ... > | > +---- vif10.0 domU 10 192.168.1.127 > > And i use this config: > > > tc qdisc add dev eth0 root handle 1: tbf rate 100Mbit burst 5K latency 30ms > > tc qdisc add dev eth0 handle 2: parent 1: drr > > tc class add dev eth0 parent 2: classid 2:1 drr quantum 1514 > tc class add dev eth0 parent 2: classid 2:2 drr quantum 1514 > tc class add dev eth0 parent 2: classid 2:3 drr quantum 1514 > tc class add dev eth0 parent 2: classid 2:4 drr quantum 1514 > tc class add dev eth0 parent 2: classid 2:5 drr quantum 1514 > tc class add dev eth0 parent 2: classid 2:6 drr quantum 1514 > tc class add dev eth0 parent 2: classid 2:7 drr quantum 1514 > tc class add dev eth0 parent 2: classid 2:8 drr quantum 1514 > tc class add dev eth0 parent 2: classid 2:9 drr quantum 1514 > tc class add dev eth0 parent 2: classid 2:10 drr quantum 1514 > ###################################### > tc qdisc add dev eth0 parent 2:1 handle 10: pfifo limit 1000 > tc qdisc add dev eth0 parent 2:2 handle 11: pfifo limit 1000 > ........... ............ ........................... > ................ ........... > tc qdisc add dev eth0 parent 2:9 handle 18: pfifo limit 1000 > tc qdisc add dev eth0 parent 2:10 handle 19: pfifo limit 1000 > ####################################### > tc filter add dev eth0 protocol ip parent 2: prio 1 u32 match ip src > 192.168.1.120 classid 2:1 > tc filter add dev eth0 protocol ip parent 2: prio 2 u32 match ip src > 192.168.1.121 classid 2:2 > ..... .......... ................. ................ ............... > .............. ......... ............... ....... > tc filter add dev eth0 protocol ip parent 2: prio 10 u32 match ip src > 192.168.1.117 classid 2:10 > > For a moment it seems like it was working but after 50sec the > bandwith on every virtual machine cut off. > The output of command ' tc -s qdisc show dev eth0 ' generated this output: > > qdisc tbf 1: root refcnt 6 rate 100000Kbit burst 5100b lat 30.0ms > Sent 12964998 bytes 8927 pkt (dropped 3159, overlimits 323 requeues 0) > backlog 0b 0p requeues 0 > qdisc drr 2: parent 1: > Sent 12964998 bytes 8927 pkt (dropped 316, overlimits 0 requeues 0) > backlog 0b 0p requeues 0 > qdisc pfifo 10: parent 2:1 limit 1000p > Sent 1391636 bytes 966 pkt (dropped 0, overlimits 0 requeues 0) > backlog 0b 0p requeues 0 > qdisc pfifo 11: parent 2:2 limit 1000p > Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0) > backlog 0b 0p requeues 0 > qdisc pfifo 12: parent 2:3 limit 1000p > Sent 2827908 bytes 1922 pkt (dropped 0, overlimits 0 requeues 0) > backlog 0b 0p requeues 0 > qdisc pfifo 13: parent 2:4 limit 1000p > ................ ............. ........................... > ............. ................ ................... ........ > backlog 0b 0p requeues 0 > qdisc pfifo 19: parent 2:10 limit 1000p > Sent 2038816 bytes 1392 pkt (dropped 0, overlimits 0 requeues 0) > backlog 0b 0p requeues 0 > > to be sure that i didnt have made any mistake i make many test with > different conf parameters but no result, as another case i was > considering using htb with drr > as show above: > tc qdisc add dev eth0 root handle 1: htb > #######################################################################################| > tc class add dev eth0 parent 1: classid 1:1 htb rate 100Mbit ceil 100Mbit > #######################################################################################| > tc qdisc add dev eth0 parent 1:1 handle 2: drr > ##_____________________________________________________________________________________| > tc class add dev eth0 parent 2: classid 2:1 drr quantum 1600 > tc class add dev eth0 parent 2: classid 2:2 drr quantum 1600 > tc class add dev eth0 parent 2: classid 2:3 drr quantum 1600 > tc class add dev eth0 parent 2: classid 2:4 drr quantum 1600 > tc class add dev eth0 parent 2: classid 2:5 drr quantum 1600 > tc class add dev eth0 parent 2: classid 2:6 drr quantum 1600 > tc class add dev eth0 parent 2: classid 2:7 drr quantum 1600 > tc class add dev eth0 parent 2: classid 2:8 drr quantum 1600 > tc class add dev eth0 parent 2: classid 2:9 drr quantum 1600 > tc class add dev eth0 parent 2: classid 2:10 drr quantum 1600 > ########################################################################################| > tc qdisc add dev eth0 parent 2:1 handle 10: bfifo limit 9000 > tc qdisc add dev eth0 parent 2:2 handle 11: bfifo limit 9000 > tc qdisc add dev eth0 parent 2:3 handle 12: bfifo limit 9000 > tc qdisc add dev eth0 parent 2:4 handle 13: bfifo limit 9000 > tc qdisc add dev eth0 parent 2:5 handle 14: bfifo limit 9000 > tc qdisc add dev eth0 parent 2:6 handle 15: bfifo limit 9000 > tc qdisc add dev eth0 parent 2:7 handle 16: bfifo limit 9000 > tc qdisc add dev eth0 parent 2:8 handle 17: bfifo limit 9000 > tc qdisc add dev eth0 parent 2:9 handle 18: bfifo limit 9000 > tc qdisc add dev eth0 parent 2:10 handle 19: bfifo limit 9000 > #########################################################################################| > # > tc filter add dev eth0 parent 2: protocol ip prio 1 u32 match ip src > 192.168.1.120 classid 2:1 > tc filter add dev eth0 parent 2: protocol ip prio 2 u32 match ip src > 192.168.1.121 classid 2:2 > tc filter add dev eth0 parent 2: protocol ip prio 3 u32 match ip src > 192.168.1.122 classid 2:3 > tc filter add dev eth0 parent 2: protocol ip prio 4 u32 match ip src > 192.168.1.123 classid 2:4 > tc filter add dev eth0 parent 2: protocol ip prio 5 u32 match ip src > 192.168.1.124 classid 2:5 > tc filter add dev eth0 parent 2: protocol ip prio 6 u32 match ip src > 192.168.1.125 classid 2:6 > tc filter add dev eth0 parent 2: protocol ip prio 7 u32 match ip src > 192.168.1.126 classid 2:7 > tc filter add dev eth0 parent 2: protocol ip prio 8 u32 match ip src > 192.168.1.127 classid 2:8 > tc filter add dev eth0 parent 2: protocol ip prio 9 u32 match ip src > 192.168.1.115 classid 2:9 > tc filter add dev eth0 parent 2: protocol ip prio 10 u32 match ip src > 192.168.1.117 classid 2:10 > > but i run "tc -s qdisc show dev eth0 " > disc htb 1: root refcnt 6 r2q 10 default 0 direct_packets_stat 1702133 > Sent 2570651055 bytes 1702087 pkt (dropped 11408370, overlimits 0 > requeues 1658292) > backlog 0b 0p requeues 1658292 > qdisc drr 2: parent 1:1 > Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0) > backlog 0b 0p requeues 0 > qdisc bfifo 10: parent 2:1 limit 9000b > Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0) > backlog 0b 0p requeues 0 > qdisc bfifo 11: parent 2:2 limit 9000b > Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0) > backlog 0b 0p requeues 0 > qdisc bfifo 12: parent 2:3 limit 9000b > Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0) > backlog 0b 0p requeues 0 > qdisc bfifo 13: parent 2:4 limit 9000b > Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0) > backlog 0b 0p requeues 0 > qdisc bfifo 14: parent 2:5 limit 9000b > Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0) > backlog 0b 0p requeues 0 > qdisc bfifo 15: parent 2:6 limit 9000b > Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0) > backlog 0b 0p requeues 0 > qdisc bfifo 16: parent 2:7 limit 9000b > Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0) > backlog 0b 0p requeues 0 > qdisc bfifo 17: parent 2:8 limit 9000b > Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0) > backlog 0b 0p requeues 0 > qdisc bfifo 18: parent 2:9 limit 9000b > Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0) > backlog 0b 0p requeues 0 > qdisc bfifo 19: parent 2:10 limit 9000b > Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0) > backlog 0b 0p requeues 0 > It seems like no packet is entering in the qdisc instead they are > directly put in htb qdisc without being scheduled by round robin > > Which can be the problem in both two situations ? > > Thanks in advance > Ronald > -- > To unsubscribe from this list: send the line "unsubscribe lartc" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- Dave Täht thttp://www.bufferbloat.net/projects/bloat/wiki/Upcoming_Talks -- To unsubscribe from this list: send the line "unsubscribe lartc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
