[rrd-users] Re: Can I export RRDTOOL values?

[Dan McGinn-Combs]

Jose,
I ran into just this question not too long ago. I was on the verge of writing to the user list when I spied the following information on the web man pages for RRDTool CGI.

RRD::PRINT number

If the preceding RRD::GRAPH tag contained and PRINT arguments, then you can access their output with this tag. The number argument refers to the number of the PRINT argument. This first PRINT has number 0.

This can be found (along with other goodies at

http://www.rrdtool.com/rrdcgi.html

The same feature is available in the PERL bindings as well.

Dan

-----Original Message-----
From: Jose Orlando Muñoz Bravo (HP) [mailto:jmunoz at comcel.com.co] 
Sent: Wednesday, May 07, 2003 3:43 PM
To: RRD User List (E-mail)
Subject: [rrd-users] Can I export RRDTOOL values?


Hi all,

I'm working in a graph reports using RRDCGI, all work fine, however I want to export the a RRDTOOL values from RRA in order to print over a HTML page.

example
<RRD::GRAPH <RRD::CV RRD_MEM>.png
            --imginfo '<IMG SRC=<RRD::CV RRD_MEM>.png>'
            -s 'end-<RRD::CV Period>' -a PNG
            -u <RRD::CV Memt> -l 0 -w 500 -h 160
            -v "K Pages" -t "Memory Usage <RRD::CV Server>"
            DEF:mem1=<RRD::CV RRD_MEM>.rrd:ds0:AVERAGE
            DEF:memmax=<RRD::CV RRD_MEM>.rrd:memoria:MAX
            CDEF:bad=mem,<RRD::CV Mem80>,GT,mem,0,IF
            CDEF:ok=mem,<RRD::CV Mem80>,GT,0,mem,IF
            CDEF:cri=mem,<RRD::CV Mem90>,GT,mem,0,IF
            ...
            ...
I would like to analyze the "mem1"  value, and I need to put this value in a variable and make some operations with it, but outside from the graph, in the html document.

I appreciate any idea.

Thanks in advanced
jomb

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