[rrd-users] Re: Division Bug with RRDTool

[Rodrigo Santos]

Try:

rrdtool graph  totals.png  --imgformat "PNG"  \
   DEF:total_out_bytes=/total.rrd:out_bytes:AVERAGE  \
   DEF:total_in_bytes=/total.rrd:in_bytes:AVERAGE  \
   CDEF:total_bytes=total_out_bytes,total_in_bytes,+  \
   CDEF:total_Mbps=total_bytes,.000008,*  \
   DEF:subnet_out_bytes=/subnet.rrd:out_bytes:AVERAGE  \
   DEF:subnet_in_bytes=/subnet.rrd:in_bytes:AVERAGE  \
   CDEF:subnet_bytes=subnet_out_bytes,subnet_in_bytes,+  \
   CDEF:subnet_Mbps=subnet_bytes,.000008,*  \
   'CDEF:subnet_in_bytes_pct=subnet_in_bytes'  \
   'CDEF:subnet_out_bytes_pct=subnet_out_bytes' \
   'CDEF:subnet_bytes_pct=subnet_bytes'  \
   'CDEF:subnet_Mbps_pct=subnet_Mbps'  \
   'CDEF:total_Mbps_pct=total_Mbps'  \
   'CDEF:div_Mbps_pct=subnet_Mbps,total_Mbps,/'  \
   'CDEF:subnet_pct=subnet_Mbps,100,*,total_Mbps,/'  \
   AREA:subnet_pct:AVERAGE:'subnet %.1lf%%'  \
   GPRINT:subnet_in_bytes_pct:AVERAGE:'subnet IN BYTES %lf'  \
   GPRINT:subnet_out_bytes_pct:AVERAGE:'subnet OUT BYTES %lf'  \
   GPRINT:subnet_bytes_pct:AVERAGE:'subnet BYTES (IN+OUT) %lf'  \
   GPRINT:subnet_Mbps_pct:AVERAGE:'subnet Mbps (BYTES*0.000008) %lf'  \
   GPRINT:total_Mbps_pct:AVERAGE:'total Mbps %lf'  \
   GPRINT:div_Mbps_pct:AVERAGE:'DIV (subnet/TOTAL)Mbps %lf'


Thanks,
Rodrigo

Serge Maandag wrote:
>>Oh, I forgot:
>>
>>DEF_total_out_bytes=CEF:total_out_bytes=$(rrddir)/total.rrd:ou
>>t_bytes:AVERAGE
>>...........
>>CDEF_total_Mbps=CDEF:total_Mbps=total_bytes,.000008,*
> 
> 
> Rodrigo,
> 
> it's a bit of a mess and it would take me an hour to get it straight
> this way.
> There still are definitions that are unknown.
> 
> - sometimes there's a reference to xsubnet_... that isn't defined
> - somehow some variables switched from ... to ..._pct
> - some subnet_... variables are not defined
> 
> Can you set it straight and translate the command to something that can
> be run
> on the command line like:
> 
> rrdtool graph /tmp/test.png -s -1d \
>  DEF:total_out_bytes=/dir/total.rrd:out_bytes:AVERAGE \
>  DEF:total_in_bytes=/dir/total.rrd:in_bytes:AVERAGE \
>  CDEF:total_bytes=total_out_bytes,total_in_bytes,+ \
>  <fill this in>
>  GPRINT:subnet_Mbps_pct:AVERAGE:'subnet Mbps (BYTES*0.000008) %lf' \
>  GPRINT:TOTAL_Mbps_pct:AVERAGE:'TOTAL Mbps %lf' \
>  GPRINT:div_Mbps_pct:AVERAGE:'subnet/TOTAL Mbps %lf'
> 
> Serge.
> 
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