[mrtg] Re: Question on how rateup program and perl routines in MRTGtie toge ther

[PAUL WILLIAMSON]

>>> "Jyotin Basrur" <jbasrur at axiowave.com> 04/07/04 10:40AM >>>
>I need to modify/add to some of the features of MRTG. I am trying to
>understand how MRTG code works.

Oh boy...new features...

>Here is what I am headed for:
>I am assuming that MRTG simply takes the old and new values of the OID
>and subtracts it amd figures out what the rate is based on the polling
>interval.

Not really, but sort of.  It also takes into account the EXACT time it is polled 
and "normalizes" the data for a possible over or under from the exact interval.

>If the value is a constant it will display a zero because there is no change
>in the value...essentially it plots a rate
>rather than a value. I need to make it plot a value as opposed to a rate.

Dang, all this just to say RTFM.  The feature is already there.  Read up 
on Options: gauge.

Paul


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