Now have such a tc stat: #tc -s qdisc show dev eth0 qdisc htb 1: root refcnt 6 r2q 10 default 12 direct_packets_stat 95 direct_qlen 1000 Sent 1391798728 bytes 1862214 pkt (dropped 37906, overlimits 2006475 requeues 122) backlog 0b 0p requeues 122 qdisc sfq 11: parent 1:11 limit 127p quantum 1514b depth 127 divisor 2048 perturb 10sec Sent 905146766 bytes 842124 pkt (dropped 37656, overlimits 0 requeues 0) backlog 0b 0p requeues 0 qdisc sfq 12: parent 1:12 limit 127p quantum 1514b depth 127 divisor 2048 perturb 10sec Sent 486520788 bytes 1019985 pkt (dropped 223, overlimits 0 requeues 0) backlog 0b 0p requeues 0 qdisc ingress ffff: parent ffff:fff1 ---------------- Sent 1735656945 bytes 2071052 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 #tc -s class show dev eth0 class htb 1:11 parent 1:1 leaf 11: prio 1 rate 30000Kbit ceil 60000Kbit burst 1593b cburst 1590b Sent 923690013 bytes 879301 pkt (dropped 25090, overlimits 0 requeues 0) rate 0bit 0pps backlog 0b 0p requeues 0 lended: 570597 borrowed: 284812 giants: 0 tokens: 6164 ctokens: 3082 class htb 1:1 root rate 60000Kbit ceil 60000Kbit burst 1590b cburst 1590b Sent 1473354142 bytes 2046438 pkt (dropped 0, overlimits 0 requeues 0) rate 0bit 0pps backlog 0b 0p requeues 0 lended: 284812 borrowed: 0 giants: 0 tokens: 3082 ctokens: 3082 class htb 1:12 parent 1:1 leaf 12: prio 2 rate 30000Kbit ceil 30000Kbit burst 1593b cburst 1593b Sent 549664129 bytes 1167137 pkt (dropped 248, overlimits 0 requeues 0) rate 0bit 0pps backlog 0b 0p requeues 0 lended: 1007042 borrowed: 0 giants: 0 tokens: 6397 ctokens: 6397 Traffic shaping as needed (equally between clients). Is my stat normal? Nothing wrong with it? P.S. Thanks' for your help and attention. -----Original Message----- From: Dave Taht [mailto:dave.taht@xxxxxxxxx] Sent: Monday, January 26, 2015 9:04 AM To: Dzmitry Shykuts Subject: Re: Qdisc HTB root overlimits and requeues fq_codel has been available as a module since 3.6. If it isn't compiled in in your distro, I would be sad. The rest of the script looked fine, but I like my sqm-scripts. On Sun, Jan 25, 2015 at 9:59 PM, Dzmitry Shykuts <dshykuts@xxxxxxxxxxxxxxxxxxx> wrote: > Have a 3.13.0-44-generic kernel only, so no fq_codel as module. > > And what about script structure (handlers, classids)? Is it correct? > > -----Original Message----- > From: lartc-owner@xxxxxxxxxxxxxxx [mailto:lartc-owner@xxxxxxxxxxxxxxx] > On Behalf Of Dave Taht > Sent: Monday, January 26, 2015 12:48 AM > To: Дмитрий Шикуть > Cc: lartc@xxxxxxxxxxxxxxx > Subject: Re: Qdisc HTB root overlimits and requeues > > give fq_codel a shot instead of sfq. > > see also the sqm-scripts. > > requeues means that you hit a limit and had to wait for the next scheduled round. > > > On Sun, Jan 25, 2015 at 12:27 PM, Дмитрий Шикуть <dshykuts@xxxxxxxxxxxxxxxxxxx> wrote: >> Hello! >> >> I created script for traffic shaping. After run, there are many >> overlimits and requeues in tc stat for htb root discipline. Is this >> normal or something going wrong? >> >> Here is script: >> >> #!/bin/sh >> ### BEGIN INIT INFO >> # Provides: trafficshaper >> # Required-Start: $network $syslog >> # Required-Stop: $network $syslog >> # Should-Start: >> # Should-Stop: >> # Default-Start: 2 3 4 5 >> # Default-Stop: 0 1 6 >> # Short-Description: Start and stop trafficshaper # Description: >> trafficshaper ### END INIT INFO >> >> PATH=/sbin:/bin:/usr/bin >> >> . /lib/init/vars.sh >> . /lib/lsb/init-functions >> >> # Reads config file (will override defaults above) [ -r >> /etc/default/trafficshaper ] && . /etc/default/trafficshaper >> >> # Devices calculation >> devDL=$dev >> devUL=ifb0 >> >> # Flush discuiplines for DL and UL devices delete_qdisc () { >> tc qdisc del dev $devDL ingress 2>/dev/null >> tc qdisc del dev $devUL root 2>/dev/null >> tc qdisc del dev $devDL root 2>/dev/null } >> >> case "$1" in >> start|"") >> log_daemon_msg "Starting trafficshaper" "ok" >> >> # Global constants >> divisor=2048 >> quantum=1514 >> perturb=10 >> >> reNum="\([0-9]*\)[a-zA-Z]*" >> reStr="[0-9]*\([a-zA-Z]*\)" >> >> # Bandwidth calculation >> bwPrivateDL=`expr \( $bwDL : $reNum \) / 2``expr $bwDL : $reStr` >> bwPublicDL=$bwPrivateDL >> >> bwPrivateUL=`expr \( $bwUL : $reNum \) / 2``expr $bwUL : $reStr` >> bwPublicUL=$bwPrivateUL >> >> # Delete discuiplines for DL and UL devices >> delete_qdisc >> >> ifconfig $devUL txqueuelen 1000 2>/dev/null >> ifconfig $devUL up 2>/dev/null >> >> # Add discuiplines for DL device >> tc qdisc add dev $devDL root handle 1: htb default 12 >> >> # Add classes for DL device >> tc class add dev $devDL parent 1: classid 1:1 htb rate $bwDL >> ceil $bwDL quantum $quantum >> tc class add dev $devDL parent 1:1 classid 1:11 htb prio 1 >> rate $bwPrivateDL ceil $bwDL quantum $quantum >> tc class add dev $devDL parent 1:1 classid 1:12 htb prio 2 >> rate $bwPublicDL ceil $bwPublicDL quantum $quantum >> >> tc qdisc add dev $devDL parent 1:11 handle 11: sfq divisor >> $divisor perturb $perturb >> tc qdisc add dev $devDL parent 1:12 handle 12: sfq divisor >> $divisor perturb $perturb >> >> tc filter add dev $devDL protocol all prio 1 parent 11: >> handle >> 11 flow hash keys dst divisor $divisor baseclass 1:11 >> tc filter add dev $devDL protocol all prio 2 parent 12: >> handle >> 12 flow hash keys dst divisor $divisor baseclass 1:12 >> >> # Add filters for DL device >> if [ -s $filePrivate ]; then >> for ip in `grep -v "#" $filePrivate`; do >> if [ `expr index $ip :` = 0 ]; then >> tc filter add dev $devDL protocol all prio 1 parent 1: >> u32 match ip dst $ip flowid 1:11 >> else >> echo $ip >> tc filter add dev $devDL protocol all prio 1 parent 1: >> u32 match ip6 dst $ip flowid 1:11 >> fi >> done >> fi >> >> tc filter add dev $devDL protocol all prio 2 parent 1: u32 >> match ip dst 0/0 flowid 1:12 >> tc filter add dev $devDL protocol all prio 2 parent 1: u32 >> match ip6 dst ::/0 flowid 1:12 >> >> # Add discuiplines for UL device >> tc qdisc add dev $devUL root handle 2: htb default 22 >> >> # Add classes for UL device >> tc class add dev $devUL parent 2: classid 2:2 htb rate $bwUL >> ceil $bwUL quantum $quantum >> tc class add dev $devUL parent 2:2 classid 2:21 htb prio 1 >> rate $bwPrivateUL ceil $bwUL quantum $quantum >> tc class add dev $devUL parent 2:2 classid 2:22 htb prio 2 >> rate $bwPublicUL ceil $bwPublicUL quantum $quantum >> >> tc qdisc add dev $devUL parent 2:21 handle 21: sfq divisor >> $divisor perturb $perturb >> tc qdisc add dev $devUL parent 2:22 handle 22: sfq divisor >> $divisor perturb $perturb >> >> tc filter add dev $devUL protocol all prio 1 parent 21: >> handle >> 21 flow hash keys src divisor $divisor baseclass 2:21 >> tc filter add dev $devUL protocol all prio 2 parent 22: >> handle >> 22 flow hash keys src divisor $divisor baseclass 2:22 >> >> # Add filters for UL device >> if [ -s $filePrivate ]; then >> for ip in `grep -v "#" $filePrivate`; do >> if [ `expr index $ip :` = 0 ]; then >> tc filter add dev $devUL protocol all prio 1 parent 2: >> u32 match ip src $ip flowid 2:21 >> else >> tc filter add dev $devUL protocol all prio 1 parent 2: >> u32 match ip6 src $ip flowid 2:21 >> fi >> done >> fi >> >> tc filter add dev $devUL protocol all prio 2 parent 2: u32 >> match ip src 0/0 flowid 2:22 >> tc filter add dev $devUL protocol all prio 2 parent 2: u32 >> match ip6 src ::/0 flowid 2:22 >> >> # Add mirred redirect discuiplines for UL device >> tc qdisc add dev $devDL ingress >> tc filter add dev $devDL parent ffff: protocol all u32 match >> u32 0 0 action mirred egress redirect dev $devUL >> >> log_end_msg 0 >> ;; >> >> stop) >> log_daemon_msg "Stopping trafficshaper" "ok" >> >> # Delete discuiplines for DL and UL devices >> delete_qdisc >> >> log_end_msg 0 >> ;; >> >> restart|force-reload) >> $0 stop >> $0 start >> ;; >> >> *) >> echo "Usage: trafficshaper [start|stop|restart|force-reload]" >&2 >> exit 3 >> ;; >> esac >> >> : >> >> And there is tc show output: >> >> # tc -s qdisc show dev eth0 >> >> qdisc htb 1: root refcnt 6 r2q 10 default 12 direct_packets_stat 5 >> direct_qlen 1000 Sent 147698795 bytes 958679 pkt (dropped 0, >> overlimits 43066 requeues 148) backlog 0b 0p requeues 148 qdisc sfq >> 11: parent 1:11 limit 127p quantum 1514b depth 127 divisor 2048 >> perturb 10sec Sent 81156975 bytes 527521 pkt (dropped 0, overlimits >> 0 requeues 0) backlog 0b 0p requeues 0 qdisc sfq 12: parent 1:12 >> limit 127p quantum 1514b depth 127 divisor 2048 perturb 10sec Sent >> 66541452 bytes 431152 pkt (dropped 0, overlimits 0 requeues 0) >> backlog 0b 0p requeues 0 qdisc ingress ffff: parent ffff:fff1 >> ---------------- Sent >> 2333918666 bytes 1999165 pkt (dropped 421, overlimits 0 requeues 0) >> backlog 0b 0p requeues 0 >> >> # tc -s class show dev eth0 >> >> class htb 1:11 parent 1:1 leaf 11: prio 1 rate 30000Kbit ceil >> 60000Kbit burst 1593b cburst 1590b Sent 82530637 bytes 547960 pkt >> (dropped 0, overlimits 0 requeues 0) rate 0bit 0pps backlog 0b 0p >> requeues 0 >> lended: 521119 borrowed: 5867 giants: 0 >> tokens: 6097 ctokens: 3048 >> >> class htb 1:1 root rate 60000Kbit ceil 60000Kbit burst 1590b cburst >> 1590b Sent 150027823 bytes 987451 pkt (dropped 0, overlimits 0 >> requeues 0) rate 0bit 0pps backlog 0b 0p requeues 0 >> lended: 5867 borrowed: 0 giants: 0 >> tokens: 3215 ctokens: 3215 >> >> class htb 1:12 parent 1:1 leaf 12: prio 2 rate 30000Kbit ceil >> 30000Kbit burst 1593b cburst 1593b Sent 67497186 bytes 439491 pkt >> (dropped 0, overlimits 0 requeues 0) rate 0bit 0pps backlog 0b 0p >> requeues 0 >> lended: 437399 borrowed: 0 giants: 0 >> tokens: 6431 ctokens: 6431 >> >> Is my script correct or I'm something missing? >> >> Thank's. >> >> -- >> 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 > -- 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
