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Date:	Thu, 18 Dec 2014 10:26:37 -0200
From:	Marcelo Ricardo Leitner <marcelo.leitner@...il.com>
To:	Vadim Kochan <vadim4j@...il.com>
CC:	Stephen Hemminger <stephen@...workplumber.org>,
	netdev@...r.kernel.org
Subject: Re: [iproute2] tc: Show classes more hierarchically]

On 18-12-2014 01:12, Vadim Kochan wrote:
> On Wed, Dec 17, 2014 at 11:56:04PM -0200, Marcelo Ricardo Leitner wrote:
>> On 17-12-2014 21:56, Vadim Kochan wrote:
>>> On Wed, Dec 17, 2014 at 11:55:35AM -0800, Stephen Hemminger wrote:
>>>> On Tue, 16 Dec 2014 16:12:41 -0200
>>>> Marcelo Ricardo Leitner <marcelo.leitner@...il.com> wrote:
>>>>
>>>>> On 15-12-2014 20:48, vadim4j@...il.com wrote:
>>>>>> Hi All,
>>>>>>
>>>>>> I am playing with showing classes in more hierarchically format and I
>>>>>> have some code and example of output from my TC looks like:
>>>>>>
>>>>>> # tc/tc -t class show dev tap0
>>>>>>
>>>>>>    \---1:2 (htb) prio 0 rate 1Kbit ceil 6Mbit burst 15Kb cburst 1599b
>>>>>>           \---1:40 (htb) prio 0 rate 1Kbit ceil 6Mbit burst 15Kb cburst 1599b
>>>>>>           \---1:50 (htb) prio 0 rate 1Kbit ceil 6Mbit burst 15Kb cburst 1599b
>>>>>>           \---1:60 (htb) prio 0 rate 1Kbit ceil 6Mbit burst 15Kb cburst 1599b
>>>>>>    \---1:1 (htb) prio 0 rate 1Kbit ceil 6Mbit burst 15Kb cburst 1599b
>>>>>>           \---1:10 (htb) prio 0 rate 1Kbit ceil 6Mbit burst 15Kb cburst 1599b
>>>>>>                  \---1:11 (htb) prio 0 rate 1Kbit ceil 6Mbit burst 15Kb cburst 1599b
>>>>>>                         \---1:111 (htb) prio 0 rate 1Kbit ceil 6Mbit burst 15Kb cburst 1599b
>>>>>>           \---1:20 (htb) prio 0 rate 1Kbit ceil 6Mbit burst 15Kb cburst 1599b
>>>>>>           \---1:30 (htb) prio 0 rate 1Kbit ceil 6Mbit burst 15Kb cburst 1599b
>>>>>>
>>>>>>
>>>>>> which in standart output mode it looks like:
>>>>>>
>>>>>> # tc/tc class show dev tap0
>>>>>>
>>>>>> class htb 1:11 parent 1:10 rate 3Mbit ceil 6Mbit burst 15Kb cburst 1599b
>>>>>> class htb 1:111 parent 1:11 prio 0 rate 1Kbit ceil 6Mbit burst 15Kb cburst 1599b
>>>>>> class htb 1:10 parent 1:1 rate 5Mbit ceil 5Mbit burst 15Kb cburst 1600b
>>>>>> class htb 1:1 root rate 6Mbit ceil 6Mbit burst 15Kb cburst 1599b
>>>>>> class htb 1:20 parent 1:1 leaf 20: prio 0 rate 3Mbit ceil 6Mbit burst 15Kb cburst 1599b
>>>>>> class htb 1:2 root rate 6Mbit ceil 6Mbit burst 15Kb cburst 1599b
>>>>>> class htb 1:30 parent 1:1 leaf 30: prio 0 rate 1Kbit ceil 6Mbit burst 15Kb cburst 1599b
>>>>>> class htb 1:40 parent 1:2 leaf 40: prio 0 rate 5Mbit ceil 5Mbit burst 15Kb cburst 1600b
>>>>>> class htb 1:50 parent 1:2 leaf 50: prio 0 rate 3Mbit ceil 6Mbit burst 15Kb cburst 1599b
>>>>>> class htb 1:60 parent 1:2 leaf 60: prio 0 rate 1Kbit ceil 6Mbit burst 15Kb cburst 1599b
>>>>>>
>>>>>> So I'd like to ask if it might be useful for the TC users (may be
>>>>>> better format ?) to have this ?
>>>>>
>>>>> Good idea! It already looks good, but what about:
>>>>>
>>>>>     |-- 1:2 (htb) prio 0 rate 1Kbit ceil 6Mbit burst 15Kb cburst 1599b
>>>>>     |      |-- 1:40 (htb) prio 0 rate 1Kbit ceil 6Mbit burst 15Kb cburst 1599b
>>>>>     |      |-- 1:50 (htb) prio 0 rate 1Kbit ceil 6Mbit burst 15Kb cburst 1599b
>>>>>     |      '-- 1:60 (htb) prio 0 rate 1Kbit ceil 6Mbit burst 15Kb cburst 1599b
>>>>>     |-- 1:1 (htb) prio 0 rate 1Kbit ceil 6Mbit burst 15Kb cburst 1599b
>>>>>     ...
>>>>>
>>>>> just another idea..
>>>>>
>>>>> Thanks.
>>>>>     Marcelo
>>>>
>>>> There are several places that also print tree format, hopefully there would
>>>> be reusable code (lspci, tree, ps).
>>>>
>>>
>>> OK, currently I have the following output:
>>>
>>> +---1:2(htb) rate 6Mbit ceil 6Mbit burst 15Kb cburst 1599b
>>> |   +---1:40(htb) prio 0 rate 5Mbit ceil 5Mbit burst 15Kb cburst 1600b
>>> |   +---1:50(htb) prio 0 rate 3Mbit ceil 6Mbit burst 15Kb cburst 1599b
>>> |   +---1:60(htb) prio 0 rate 1Kbit ceil 6Mbit burst 15Kb cburst 1599b
>>> |
>>> +---1:1(htb) rate 6Mbit ceil 6Mbit burst 15Kb cburst 1599b
>>>      +---1:10(htb) rate 5Mbit ceil 5Mbit burst 15Kb cburst 1600b
>>>      |   +---1:11(htb) rate 3Mbit ceil 6Mbit burst 15Kb cburst 1599b
>>>      |   |   +---1:111(htb) prio 0 rate 1Kbit ceil 6Mbit burst 15Kb cburst 1599b
>>>      |   |   +---1:112(htb) prio 0 rate 1Kbit ceil 6Mbit burst 15Kb cburst 1599b
>>>      |   |
>>>      |   +---1:12(htb) prio 0 rate 1Kbit ceil 6Mbit burst 15Kb cburst 1599b
>>>      |
>>>      +---1:20(htb) prio 0 rate 3Mbit ceil 6Mbit burst 15Kb cburst 1599b
>>>      +---1:30(htb) prio 0 rate 1Kbit ceil 6Mbit burst 15Kb cburst 1599b
>>>
>>> How about this ?
>>
>> Looks very good to me, thanks!
>>
>>> Regards,
>>> Vadim Kochan
>>>
>>
>
> There is an exampe output of tree with stats:
>
> +---1:2(htb) rate 6Mbit ceil 6Mbit burst 15Kb cburst 1599b
> |   |    * Send 100 pkts ...
> |   |    * Rate 10mbit ...
> |   +---1:40(htb) prio 0 rate 5Mbit ceil 5Mbit burst 15Kb cburst 1600b
> |   |   |    * Send 100 pkts ...
> |   |   |    * Rate 10mbit ...
> |   +---1:50(htb) prio 0 rate 3Mbit ceil 6Mbit burst 15Kb cburst 1599b
> |   |   |    * Send 100 pkts ...
> |   |   |    * Rate 10mbit ...
> |   +---1:60(htb) prio 0 rate 1Kbit ceil 6Mbit burst 15Kb cburst 1599b
> |       |    * Send 100 pkts ...
> |       |    * Rate 10mbit ...
> |
> +---1:1(htb) rate 6Mbit ceil 6Mbit burst 15Kb cburst 1599b
>      |    * Send 100 pkts ...
>      |    * Rate 10mbit ...
>      +---1:10(htb) rate 5Mbit ceil 5Mbit burst 15Kb cburst 1600b
>      |   |    * Send 100 pkts ...
>      |   |    * Rate 10mbit ...
>      |   +---1:11(htb) rate 3Mbit ceil 6Mbit burst 15Kb cburst 1599b
>      |   |   |    * Send 100 pkts ...
>      |   |   |    * Rate 10mbit ...
>      |   |   +---1:111(htb) prio 0 rate 1Kbit ceil 6Mbit burst 15Kb cburst 1599b
>      |   |   |   |    * Send 100 pkts ...
>      |   |   |   |    * Rate 10mbit ...
                    ^ these are confusing IMHO, rest looks good to me

   Marcelo

>      |   |   +---1:112(htb) prio 0 rate 1Kbit ceil 6Mbit burst 15Kb cburst 1599b
>      |   |       |    * Send 100 pkts ...
>      |   |       |    * Rate 10mbit ...
>      |   |
>      |   +---1:12(htb) prio 0 rate 1Kbit ceil 6Mbit burst 15Kb cburst 1599b
>      |       |    * Send 100 pkts ...
>      |       |    * Rate 10mbit ...
>      |
>      +---1:20(htb) prio 0 rate 3Mbit ceil 6Mbit burst 15Kb cburst 1599b
>      |   |    * Send 100 pkts ...
>      |   |    * Rate 10mbit ...
>      +---1:30(htb) prio 0 rate 1Kbit ceil 6Mbit burst 15Kb cburst 1599b
>          |    * Send 100 pkts ...
>          |    * Rate 10mbit ...
>
>
> Yeah, this is bigger one ...
>
> Regards,
> --
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