netdev - Re: [NET] Add proc file to display the state of all qdiscs.

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Date:	Thu, 03 Sep 2009 16:43:54 +0200
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Patrick McHardy <kaber@...sh.net>
CC:	Jesper Dangaard Brouer <hawk@...u.dk>,
	Christoph Lameter <cl@...ux-foundation.org>,
	Jarek Poplawski <jarkao2@...il.com>,
	David Miller <davem@...emloft.net>, netdev@...r.kernel.org
Subject: Re: [NET] Add proc file to display the state of all qdiscs.

Patrick McHardy a écrit :
> Jesper Dangaard Brouer wrote:
>> On Wed, 2 Sep 2009, Christoph Lameter wrote:
>>> On Wed, 2 Sep 2009, Eric Dumazet wrote:
>>>
>>>> Same name "eth0" is displayed, that might confuse parsers...
>>>>
>>>> What naming convention should we choose for multiqueue devices ?
>>> eth0/tx<number> ?
>> Remember that we already have a naming convention in /proc/interrupts
>>
>>  eth0-tx-<number>
>>
>> Lets not introduce too many new once ;-)
> 
> The approach I'm currently working on will present multiqueue root
> qdiscs as children of a dummy classful qdisc. This avoids handle
> clashes and the need for new identifiers and allows to address each
> qdisc seperately, similar to how it works with other classful qdiscs:
> 
> qdisc mq 1: root refcnt 2
>  Sent 126 bytes 3 pkt (dropped 0, overlimits 0 requeues 0)
>  rate 0bit 0pps backlog 0b 0p requeues 0
> 
> class mq 1:1 root leaf 8001:
>  Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0)
>  backlog 0b 0p requeues 0
> class mq 1:2 root leaf 8002:
>  Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0)
>  backlog 0b 0p requeues 0
> class mq 1:3 root leaf 8003:
>  Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0)
>  backlog 0b 0p requeues 0
> class mq 1:4 root leaf 8004:
>  Sent 126 bytes 3 pkt (dropped 0, overlimits 0 requeues 0)
>  backlog 0b 0p requeues 0
> 
> Its a bit tricky though so I'm likely going to need a few more hours.

Seems pretty cool, thanks Patrick.
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