----- Original Message ----- From: "Jannes Faber" <jannes@xxxxxxxxxx> To: "Stef Coene" <stef.coene@xxxxxxxxx>; <pturley@xxxxxxxxxxxxxx>; <lartc@xxxxxxxxxxxxxxx> Sent: Saturday, April 26, 2003 3:07 AM Subject: Re: [LARTC] Testing traffic control > I've been using TC and HTB for a while now (almost a year). Took a while to > get it running, but it's ok now (playing CounterStrike on one PC while two > others are using DirectConnect and Emule are fully using the upstream and > downstream). > > Anyway, until recently I was doing it all blind, using iptraf for some rough > indication of some total values, but that was about it. So I decided it was > time to make some graphs. So I made a simple perl script (ahum... actually I > ripped apart a script made by Stef and added my own stuff) using rrdtool to > store and display all the data. > > I attached it. You'll have to edit it a little for your own situation, but > it's quite flexible. (I'm not a perl programmer, so expect some ugly C > constructions). > > Basic commands: > > rrd_tc without parameters gives some help. But basically you call > "rrd_tc.pl create" once to create a new database. Then you run "rrd_tc.pl > collect" and keep it running in the background (nohup or in /etc/rc.local) > to collect the actual data. Then you use "rrd_tc.pl graph xv stack > update=10" to display a nice graph and have it updated every 10 seconds. > > This script stores and displays the counters for all the different TC > classes as well as the total up and download from /proc/net/dev. > > Jannes Faber > > > On Friday 25 April 2003 23:57, Patrick Turley wrote: > > > through each connection. Have the other computer display the rate at > > > which data is being received for each connection in a really cool > > > graphical way. > > > > > > Does anyone here actually have the tools to do this? I would be terribly > > > grateful if anyone could point me in the right direction. > > Stef wrote: > > I have some scripts. You can find them on www.docum.org. They don't look > > really cool, but they can show you what's going on in real-time. > > > > I have a script that uses iptables counters. An other uses the tc > counters. > > They are both shell scripts and I use them to automate my tests. > > > > I also have some scripts to store the tc counters in a rrd database so you > can > > graph long term statistics. And I have written a java applet so you can > see > > real-time graphs. > > > > Stef > >
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rrd_tc.pl
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