Performance Graph: Last and Average are always the same

[vmesquita]

Hello,

We realized that the last and average values on the graphs plotted by Nagios are always the same value, regardless of the service we are checking, or the time period. So it makes sense to assumo it's miscalculating. How can we fix this?

[ssax]

I'm experiencing the same on mine, let me take a look at the code to see what the issue is, I'll let you know what I find.

[ssax]

I've submitted a bug report for this:

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NEW TASK ID 6200 created - Nagios XI Bug Report: Perfgraph "Last" field is showing same as "Avg"

What version of XI are you running? I have a workaround that will fix it for you but I need to know what version you are using.

[vmesquita]

We are running the latest Nagios XI 2014R2.7

[ssax]

Edit this file:

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/usr/local/nagiosxi/html/includes/components/graphexplorer/templates/perfdata.inc.php

Change line 58 from this:

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$perfdata_extra[$i]['last'] = $data[$j-1];

To this:

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$perfdata_extra[$i]['last'] = $data[$j-5];

Then change line 201 from this:

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name: \"{$args['names'][$i]} (Last: ".round($perfdata_extra[$i]['avg'], 2).$units[$i].",  Avg: ".round($perfdata_extra[$i]['avg'], 2).$units[$i].",  Max: ".round($perfdata_extra[$i]['max'], 2).$units[$i].")\",

To this :

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name: \"{$args['names'][$i]} (Last: ".round($perfdata_extra[$i]['last'], 2).$units[$i].",  Avg: ".round($perfdata_extra[$i]['avg'], 2).$units[$i].",  Max: ".round($perfdata_extra[$i]['max'], 2).$units[$i].")\",

That should fix it.