{bb} larrd graphing problem...

[Todd Kaehler <kaehler@psmfc.org>]

Hi,

After 2 day of debugging, I found that my rrdtool (v 1.2.6) on Linux 
will not work correctly when using a number for the label.  For example:

rrdtool graph /var/tmp/foo.png DEF:0=salmo.procs.rrd:la:AVERAGE 
AREA:0#00CC00:Processes

Gives a flat line graph.  It I change it to:

rrdtool graph /var/tmp/foo.png DEF:proc=salmo.procs.rrd:la:AVERAGE 
AREA:proc#00CC00:Processes

It works just fine.  Not sure why this is the case.  Has anyone seen 
this problem?

To fix BigBrother problems with things like larrd disk, I changed in 
larrd-grapher.cgi, anywhere it used numbers as the label to make alpha 
(at least the first letter).  For example the disk section of:


       return [
           qq{DEF:$p=$RRD:pct:AVERAGE},
           qq{LINE2:$p#$color:$part},
           qq{-u 100},
           qq{COMMENT:$comment},
           qq{GPRINT:$p:LAST:$padding \\: %5.1lf (cur)},
           qq{GPRINT:$p:MAX: \\: %5.1lf (max)},
           qq{GPRINT:$p:MIN: \\: %5.1lf (min)},
           qq{GPRINT:$p:AVERAGE: \\: %5.1lf (avg)\\n},
       ]

Where $p is a number...

I changed to:

       return [
           qq{DEF:x$p=$RRD:pct:AVERAGE},
           qq{LINE2:x$p#$color:$part},
           qq{-u 100},
           qq{COMMENT:$comment},
           qq{GPRINT:x$p:LAST:$padding \\: %5.1lf (cur)},
           qq{GPRINT:x$p:MAX: \\: %5.1lf (max)},
           qq{GPRINT:x$p:MIN: \\: %5.1lf (min)},
           qq{GPRINT:x$p:AVERAGE: \\: %5.1lf (avg)\\n},
       ]

And everything is now working.

Has anyone else had this problem?   Is there a better work around?

Thanks,

--
Todd Kaehler       kaehler@psmfc.org     http://www.psmfc.org/
Pacific States Marine Fisheries Commission  
205 S.E. Spokane St, Suite 100   .   Portland, Oregon 97202
Phone:(503)595-3100                   Fax:(503)595-3232


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