netdev - Re: [BUG #12364] Re: HTB - very bad precision? HFSC works fine! 2.6.28

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Message-ID: <2321.192.168.1.3.1231423743.squirrel@webmail.decimal.pt>
Date:	Thu, 8 Jan 2009 14:09:03 -0000 (WET)
From:	mysql.jorge@...imal.pt
To:	"Jarek Poplawski" <jarkao2@...il.com>
Cc:	"Denys Fedoryschenko" <denys@...p.net.lb>, netdev@...r.kernel.org,
	bugme-daemon@...zilla.kernel.org
Subject: Re: [BUG #12364] Re: HTB - very bad precision? HFSC works fine! 
     2.6.28

An active connection when running this commands:
(now it seams to work, the 200Kbit i defined, are gaving me 22.5/23Kbyte
/sec)

Did you catch it?


lira:~# ethtool -k eth0
Offload parameters for eth0:
Cannot get device flags: Operation not supported
rx-checksumming: on
tx-checksumming: on
scatter-gather: off
tcp segmentation offload: off
udp fragmentation offload: off
generic segmentation offload: off
large receive offload: off
lira:~# tc -s qdisc show dev eth0
qdisc cbq 1: root rate 12500000bps (bounded,isolated) prio no-transmit
 Sent 5336353 bytes 5737 pkts (dropped 16, overlimits 1382)
 backlog 8p
  borrowed 0 overactions 0 avgidle 78 undertime 0

 qdisc tbf 1280: parent 1:1280 rate 25000bps burst 10Kb lat 209.7ms
 Sent 441812 bytes 310 pkts (dropped 16, overlimits 2215)
 backlog 8p

lira:~# tc -s class show dev eth0
class cbq 1: root rate 12500000bps (bounded,isolated) prio no-transmit
 Sent 5128779 bytes 5827 pkts (dropped 0, overlimits 0)
  borrowed 0 overactions 0 avgidle 78 undertime 0
class cbq 1:1280 parent 1: leaf 1280: rate 25000bps (bounded,isolated) prio 5
 Sent 811784 bytes 568 pkts (dropped 22, overlimits 0)
 backlog 9p
  borrowed 0 overactions 0 avgidle 4507 undertime 0
class tbf 1280:1 parent 1280: [UNKNOWN]
 Sent 0 bytes 0 pkts (dropped 0, overlimits 0)





> Could you try to check this with scatter-gather and tcp segmentation
> offload off too? If there is no difference please send the stats
> again both for working and non-working case.
>
> Thanks,
> Jarek P.
>


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