[rrd-users] extracting tabular data with rrdgraph

[wojtekatbyte]

Thanks,
That's what I have been looking for!
For the record, in perl:

my @graph = ();
push @graph, (
 "--start" ,"$start",
 "--end","$end",
 "DEF=hits:hits.rrd:ds1234:AVERAGE"
 "DEF=cpu:cpu.rrd:ds1234:AVERAGE"
 "CDEF=cpu_hit:cpu,hit,/"
 "XPORT=cpu_hit:CPU per hit" 
);

my @out =  RRDs::xport(@graph);
my $out = {
        start => $out[0],
        end => $out[1],
        step => $out[2],
        ngraphs => $out[3],
        legend => $out[4],
        data => $out[5],
};
print "Content-type: text/plain \n\n";
print to_json( $out,{pretty=>1});

Works !


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