[rrd-users] Re: rrdtool

[Michael Earls]

using php4-rrdtool 

When I do not put a file name in the quotes after rrd_graph does anyone
know if it creates an image? 


   $opts = array( "--start", "-86400",
                  "DEF:if=fastethernet2_0.rrd:ds0:AVERAGE",
                  "CDEF:percent=if,100,*,1250000,/",
                  "PRINT:percent:LAST:Fuse Last\:%8.2lf %% -- ",
                  "PRINT:percent:AVERAGE:Fuse av\:%8.2lf %% -- ",
                  "PRINT:percent:MAX:Fuse Max\:%8.2lf %%<br>",
                );


   $ret = rrd_graph("", $opts, count($opts));


This might be an option if it does not create the image

Thanks,

michael

>>> Jon Nistor <nistor at snickers.org> 11/25/03 04:44PM >>>
What you may need to do is:

rrdtool dump file.rrd

and weed out the results for a section that looks like:
                <database>
                        <!-- 2003-11-22 22:00:00 EST / 1069556400 -->
<row><v> 5.5858200273e+06 </v><v> 2.3493590735e+06 </v></row>
                        <!-- 2003-11-22 22:05:00 EST / 1069556700 -->
<row><v> 5.4628654047e+06 </v><v> 2.3556034461e+06 </v></row>
                        <!-- 2003-11-22 22:10:00 EST / 1069557000 -->
<row><v> 5.6818931632e+06 </v><v> 2.3579057100e+06 </v></row>
		......
		</database>

AFAIK there isn't an easier way to pull out the values.  What you may
want
to look at it doing a dump on the file and pulling out all the values
between 2 time periods...

If anyone has a cooler suggestion I'd love to know it myself =D



On Tue, 25 Nov 2003, Michael Earls wrote:

||What I am looking to do is, only print certain values out of rrd
||
||                 $opts = array( "--start", "-86400",
||                  "DEF:if=fastethernet2_0.rrd:ds0:AVERAGE",
||                  "DEF:io=atm1_0.93-aal5_layer.rrd:ds0:AVERAGE",
||                  "CDEF:percent=if,100,*,1250000,/",
||                  "PRINT:percent:LAST:Fuse Last\:%8.2lf %%<br>",
||                  "PRINT:percent:AVERAGE:Fuse av\:%8.2lf %%<br>",
||                  "PRINT:percent:MAX:Fuse Max\:%8.2lf %%<br><br>",
||                  "PRINT:percent:LAST:Fuse Last\:%2.2lf %%<br>",
||                  "PRINT:percent:AVERAGE:Fuse av\:%2.2lf %%<br>",
||                  "PRINT:percent:MAX:Fuse Max\:%2.2lf %%<br>",
||
||
||Thanks,
||
||michael
||
||>>> Jon Nistor <nistor at snickers.org> 11/25/03 04:29PM >>>
||rrdtool dump will dump the file into XML and you can parse, maybe
thats
||a
||viable option? :)
||
||On Tue, 25 Nov 2003, Michael Earls wrote:
||
||||How can one export data out of rrd without creating graphs? Is
there
||any
||||option in rrdgraph that will do this?
||||
||||Thanks,
||||
||||Michael
||||
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