Re: Traffic Control Diagnostic Graphing Utility

[vicente@xxxxxxxxxxxxxxxxxxxxx]

   Hi Jason, 

   I'm trying your script with munin. But I can't make it work. Here you
have the error I get: 

munin-run polltc_eth0
Use of uninitialized value in hash element
at /etc/munin/plugins/polltc_eth0 line 126.
Use of uninitialized value in string eq
at /etc/munin/plugins/polltc_eth0 line 159.
Use of uninitialized value in string eq
at /etc/munin/plugins/polltc_eth0 line 159.
Use of uninitialized value in hash element
at /etc/munin/plugins/polltc_eth0 line 126.
Use of uninitialized value in string eq
at /etc/munin/plugins/polltc_eth0 line 159.
Use of uninitialized value in string eq
at /etc/munin/plugins/polltc_eth0 line 159.
Can't use an undefined value as an ARRAY reference
at /etc/munin/plugins/polltc_eth0 line 327. 

	polltc_eth0 is linked to polltc_ as explained in the Readme. And It is
modified to point to /sbin/tc. 

	I'm checking polltc_ to see if something else need to be modified. 

	Best regards. 

Jason Boxman writes: 

> I wrote a Perl script to poll `tc` for traffic control statistics (just bytes 
> presently) for leaf qdiscs.  The information is fed to either RRDTool or 
> Munin[2], depending on what parameter is passed to the script.  If the option 
> for a RRD database is used, graphs[3][4] are written to disk for each ten 
> second polling interval.  If invoked via Munin[2], it handles graphing and 
> samples at five minute intervals. 
>
> [1] http://ee-staff.ethz.ch/~oetiker/webtools/rrdtool/
> [2] http://www.linpro.no/projects/munin/
> [3] http://trekweb.com/~jasonb/images/eth0-24-tc.png
> [4] http://trekweb.com/~jasonb/images/eth0-1-tc.png 
>
> The aim is to graphically represent bandwidth utilization for each leaf class 
> to help diagnose issues with misclassification, performance, and for long 
> term profiling. 
>
> The script is available[5] here.  The included README explains basic 
> configuration. 
>
> [5] http://trekweb.com/~jasonb/code/polltc-1.0.tar.gz 
>
> I hope someone else finds it useful. 
>
> Comments welcome. 
>
> --  
>
> Jason Boxman
> Perl Programmer / *NIX Systems Administrator
> Shimberg Center for Affordable Housing | University of Florida
> http://edseek.com/ - Linux and FOSS stuff 
>
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