From: Patrick McHardy <kaber@trash.net>
To: lartc@vger.kernel.org
Subject: Re: [LARTC] HFSC and default qdisc backlog
Date: Wed, 22 Mar 2006 00:03:25 +0000 [thread overview]
Message-ID: <4420944D.60101@trash.net> (raw)
In-Reply-To: <033e01c64d41$fd1ae8d0$1414a8c0@provsol.int>
James Nelson wrote:
> I don't understand the following:
>
> root@jmnrouter:~# tc -s class ls dev vlan1 && tc -s qdisc ls dev vlan1
> class hfsc 1: root
> Sent 0 bytes 0 pkts (dropped 0, overlimits 0)
> period 0 level 2
>
> class hfsc 1:1 parent 1: sc m1 0bit d 0us m2 220000bit ul m1 0bit d 0us m2
> 220000bit
> Sent 0 bytes 0 pkts (dropped 0, overlimits 0)
> period 31304 work 7533852 bytes level 1
>
> class hfsc 1:10 parent 1:1 sc m1 1024bit d 8.0ms m2 100000bit ul m1 0bit d
> 0us m2 220000bit
> Sent 6892869 bytes 33300 pkts (dropped 0, overlimits 0)
> period 32750 work 6892869 bytes rtwork 6725586 bytes level 0
>
> class hfsc 1:20 parent 1:1 sc m1 4096bit d 100.0ms m2 75000bit ul m1 0bit d
> 0us m2 220000bit
> Sent 0 bytes 0 pkts (dropped 0, overlimits 0)
> period 0 level 0
>
> class hfsc 1:30 parent 1:1 sc m1 8200bit d 200.0ms m2 30000bit ul m1 0bit d
> 0us m2 220000bit
> Sent 640821 bytes 636 pkts (dropped 0, overlimits 0)
> period 277 work 640821 bytes rtwork 199829 bytes level 0
>
> class hfsc 1:40 parent 1:1 sc m1 8200bit d 300.0ms m2 15008bit ul m1 0bit d
> 0us m2 220000bit
> Sent 162 bytes 3 pkts (dropped 0, overlimits 0)
> period 3 work 162 bytes rtwork 162 bytes level 0
>
> qdisc hfsc 1: default 30
> Sent 7537524 bytes 33953 pkts (dropped 6, overlimits 4145)
> backlog 3p
>
>
> Why is the qdisc backloged with dropped packets and overlimits when the
> classes are not?
You seen to be using an old iproute version. There was some
compatibility breakage that affected statistics.
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next prev parent reply other threads:[~2006-03-22 0:03 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-03-21 23:48 [LARTC] HFSC and default qdisc backlog James Nelson
2006-03-22 0:03 ` Patrick McHardy [this message]
2006-03-23 0:13 ` James Nelson
2006-03-23 0:27 ` Jason Boxman
2006-03-23 4:03 ` Patrick McHardy
2006-04-12 15:04 ` Andy Furniss
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