From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andy Furniss <andy.furniss@dsl.pipex.com>
Date: Wed, 29 Dec 2004 02:46:01 +0000
Subject: Re: [LARTC] Weighted packet shaping?
Message-Id: <41D21A69.7030603@dsl.pipex.com>
List-Id: <lartc.vger.kernel.org>
References: <20041221034303.GB27656@linux.comp>
In-Reply-To: <20041221034303.GB27656@linux.comp>
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To: lartc@vger.kernel.org

Mark Williams (MWP) wrote:

> Ok...
> Using your script gave the following (from 17:30 onwards):
> 
> http://www.overclockers.com.au/~mwp/temp/tc-1hour-yours.png
> 

This is strange I just tested again and it works for me.

http://www.jessingale.dsl.pipex.com/tc-speed-1.png

Blue is lowest with rate 20kbit green next low with 40kbit Red highest.

It may be worth trying with ceils even lower - just incase you get radsl 
adaption and don't really have the bandwidth.

I suppose you should also use tc from new iproute2 that matches your kernel.

rrdtool seems complicated - I suppose it could be averaging strangely, I 
used -

#set -x
/usr/local/rrdtool-1.0.49/bin/rrdtool create tcstats1.rrd --step 10 \
             DS:cls21:COUNTER:30:U:U   \
             DS:cls22:COUNTER:30:U:U  \
             DS:cls23:COUNTER:30:U:U  \
             RRA:AVERAGE:0.5:1:100

while [ 1 ]
do
         C21=`tc -s qdisc ls dev ppp0 | grep "21:" -A 1 | grep Sent | 
awk '{print $2}'`
         C22=`tc -s qdisc ls dev ppp0 | grep "22:" -A 1 | grep Sent | 
awk '{print $2}'`
         C23=`tc -s qdisc ls dev ppp0 | grep "23:" -A 1 | grep Sent | 
awk '{print $2}'`
         /usr/local/rrdtool-1.0.49/bin/rrdtool update tcstats1.rrd 
N:$C21:$C22:$C23
         sleep 10
done

Andy.

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