[rrd-users] Help creating graphs using Perl and command line; 'SCALAR' is not a valid function name

A Darren Dunham ddunham at taos.com
Tue May 19 22:25:52 CEST 2009

On Tue, May 19, 2009 at 12:13:29PM -0600, Benson, Brian wrote:
> ts04:~/tools/rrd# rrdtool graph /tmp/bb.png
> "DEF:tot_mem=target.rrd:mem:AVERAGE" 
> 0x0

You've set up the information that it can use to graph, but you haven't
asked it to graph anything.  So it didn't produce anything.

Try adding "LINE:tot_mem"  (or use AREA).  That should actually graph
your data.


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