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Message #115502
[Bug 1426589] Re: tc class statistics rates are all zero after upgrade to Trusty
@peanlvch: FYI as per comment #4 I already tested v4.1-rc1-vivid, same
bad results.
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https://bugs.launchpad.net/bugs/1426589
Title:
tc class statistics rates are all zero after upgrade to Trusty
Status in iproute2 package in Ubuntu:
Confirmed
Status in linux package in Ubuntu:
Incomplete
Bug description:
After upgrading an Ubuntu server from Lucid -> Precise -> Trusty the command:
tc -s class show dev eth0
no longer shows rates for my classification bands. This worked in Lucid, but not sure if something changed, or if I need to set some system configuration to make it work again. My current non-working version is:
$ dpkg -s iproute2
Package: iproute2
Status: install ok installed
Priority: important
Section: net
Installed-Size: 1147
Maintainer: Ubuntu Developers <ubuntu-devel-discuss@xxxxxxxxxxxxxxxx>
Architecture: amd64
Multi-Arch: foreign
Version: 3.12.0-2
Replaces: iproute
Provides: arpd
Depends: libc6 (>= 2.14), libdb5.3
Recommends: libatm1 (>= 2.4.1-17~), libxtables10
Suggests: iproute2-doc
Conflicts: arpd, iproute (<< 20130000-1)
Conffiles:
/etc/iproute2/group 3aea2c0e0dd75e13a5f8f48f2936915f
/etc/iproute2/ematch_map b91e7f9b26918449bade9573f8871d61
/etc/iproute2/rt_realms 7137bdf40e8d58c87ac7e3bba503767f
/etc/iproute2/rt_tables a1313318d6778fe6b8c680248ef5a463
/etc/iproute2/rt_dsfield 4264d5c7c8298300185aa04e1a736934
/etc/iproute2/rt_protos 95ce0b4b5b79f5a8a45941fb418a904c
/etc/iproute2/rt_scopes 6298b8df09e9bda23ea7da49021ca457
Description: networking and traffic control tools
The iproute2 suite is a collection of utilities for networking and
traffic control.
.
These tools communicate with the Linux kernel via the (rt)netlink
interface, providing advanced features not available through the
legacy net-tools commands 'ifconfig' and 'route'.
Original-Maintainer: Debian iproute2 Maintainers <ah-iproute@xxxxxxxxxx>
Homepage: http://www.linux-foundation.org/en/Net:Iproute2
Here is the current output of the command, note that 'rate 0bit 0pps'
is common to all classes, in Lucid this would produce non-zero values
for active traffic:
$ tc -s class show dev eth0
class htb 2:1 root rate 4000Kbit ceil 10000Kbit burst 1600b cburst 1600b
Sent 140162776 bytes 377793 pkt (dropped 0, overlimits 0 requeues 0)
rate 0bit 0pps backlog 0b 0p requeues 0
lended: 23022 borrowed: 0 giants: 0
tokens: 46812 ctokens: 18725
class htb 2:2 parent 2:1 leaf 3: prio 0 rate 1000Kbit ceil 4000Kbit burst 1600b cburst 1600b
Sent 2021584 bytes 6949 pkt (dropped 0, overlimits 0 requeues 0)
rate 0bit 0pps backlog 0b 0p requeues 0
lended: 6505 borrowed: 189 giants: 0
tokens: 187250 ctokens: 46812
class htb 2:3 parent 2:1 leaf 4: prio 1 rate 2000Kbit ceil 4000Kbit burst 1600b cburst 1600b
Sent 16695548 bytes 216855 pkt (dropped 0, overlimits 0 requeues 0)
rate 0bit 0pps backlog 0b 0p requeues 0
lended: 216846 borrowed: 9 giants: 0
tokens: 94375 ctokens: 47187
class htb 2:4 parent 2:1 leaf 5: prio 2 rate 1000Kbit ceil 4000Kbit burst 1600b cburst 1600b
Sent 2963040 bytes 46619 pkt (dropped 0, overlimits 0 requeues 0)
rate 0bit 0pps backlog 0b 0p requeues 0
lended: 46619 borrowed: 0 giants: 0
tokens: 193250 ctokens: 48312
class htb 2:5 parent 2:1 leaf 6: prio 3 rate 1000Kbit ceil 4000Kbit burst 1600b cburst 1600b
Sent 99996 bytes 745 pkt (dropped 0, overlimits 0 requeues 0)
rate 0bit 0pps backlog 0b 0p requeues 0
lended: 745 borrowed: 0 giants: 0
tokens: 183000 ctokens: 45750
class htb 2:6 parent 2:1 leaf 7: prio 4 rate 1000Kbit ceil 4000Kbit burst 1600b cburst 1600b
Sent 80608262 bytes 79347 pkt (dropped 0, overlimits 0 requeues 0)
rate 0bit 0pps backlog 0b 0p requeues 0
lended: 50544 borrowed: 13902 giants: 0
tokens: 190750 ctokens: 47687
class htb 2:7 parent 2:1 leaf 8: prio 5 rate 1000Kbit ceil 4000Kbit burst 1600b cburst 1600b
Sent 37606539 bytes 26129 pkt (dropped 0, overlimits 0 requeues 0)
rate 0bit 0pps backlog 0b 0p requeues 0
lended: 5617 borrowed: 8922 giants: 0
tokens: -178485 ctokens: 24056
class htb 2:8 parent 2:1 leaf 9: prio 6 rate 512000bit ceil 1000Kbit burst 1600b cburst 1600b
Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0)
rate 0bit 0pps backlog 0b 0p requeues 0
lended: 0 borrowed: 0 giants: 0
tokens: 390625 ctokens: 200000
class htb 2:9 parent 2:1 leaf a: prio 7 rate 1000Kbit ceil 1000Kbit burst 1600b cburst 1600b
Sent 167807 bytes 1149 pkt (dropped 0, overlimits 0 requeues 0)
rate 0bit 0pps backlog 0b 0p requeues 0
lended: 1149 borrowed: 0 giants: 0
tokens: 189875 ctokens: 189875
Did something change upstream to make the rates unavailable? Do I need
to set some config to enable collection? Running the command as root
does not make a difference. My kernel is:
Linux srvr1 3.13.0-46-generic #75-Ubuntu SMP Tue Feb 10 15:24:04 UTC
2015 x86_64 x86_64 x86_64 GNU/Linux
Thank you!
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