[mrtg] Re: help with "counter" mode running for External scripts

[Alex van den Bogaerdt]

Robert Schwartz wrote:

> Target[auths]: `perl -e 'print time . "\n" . (time + 10) .
> "\nsometime\ndev1.com\n";'`

This prints:

    <current time>
    <current time>+10
    sometime
    dev1.com

> Here is the top few lines in the auth.log:
>  
> [~/fpgraph]more html/auths.log 
> 985636719 985636719 985636729

   ^^^         ^^^        ^^^   correct.

So, the script is working, MRTG is working and the numbers
get inserted in the log file.  Nothing wrong.

Now, run this 300 seconds apart.

First time:  985636719 985636719 985636729
Second time: 985637019 985637019 985637029

The rate is: ( <value2>-<value1> ) / ( <time2>-<time1> )
which is   (985637019-985636719) / (985637019-985636719)
which is   300 / 300
which is   1

> 985636719 1 1 1 1

Check.

[...]
> 985635600 0 0 1 1

Rounding occured.  This is normal for MRTG, 0.999999999 is
rounded down to 0.  1.00000001 (the next run) is rounded down
to 1.

> Can anyone help???

I hope this makes it clear.

cheers,
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