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Date:	Thu, 18 Dec 2014 01:56:27 +0200
From:	Vadim Kochan <vadim4j@...il.com>
To:	Stephen Hemminger <stephen@...workplumber.org>
Cc:	Marcelo Ricardo Leitner <marcelo.leitner@...il.com>,
	vadim4j@...il.com, netdev@...r.kernel.org
Subject: Re: [iproute2] tc: Show classes more hierarchically]

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 ?

Regards,
Vadim Kochan
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