[rrd-users] Problem with custom PHP script - peak traffic

[Ingo Flaschberger]

Dear Drake,

do you have bits or bytes in the rrd?

if you want bits, but account bytes (octets) the you need to multiply with 
8.

Kind regards,
 	ingo flaschberger

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Thank you.
On Thu, 8 Oct 2009, drrake wrote:

>
> Hello,
>
> I'm having a problem with getting script to work correctly. I'm trying to
> fetch data from a few .rrd files, sum their values and get peak value of
> outgoing traffic. Unfortunately the value I get is much lower than it should
> be (I'm comparing with a cacti summary graph of the graphs from the same
> .rrd files).
> What am I doing wrong? Below is the code:
>
> $_SOURCES[] = "a.rrd";
> $_SOURCES[] = "b.rrd";
> ...
>
> $source=0;
> foreach ($_SOURCES as $s)
> {
>        unset($out);
>        unset($_TMPTABLE);
>
>        exec("rrdtool fetch $s AVERAGE", $out);
>
>        foreach ($out as $line)
>        {
>                $l=explode(" ", $line);
>                $l = preg_replace('/(nan)|(NaN)/', '0.0000000000e+00', $l);
>                if (preg_match("/^[0-9]/", $l[0]))
>                {
>                        $t = $l[0];
>
>                        $_TMPTABLE[$t]=floatval($l[2]);
>                        $_TMPTABLE[$t] = $_TMPTABLE[$t] * 8;
>                }
>        }
>
>        foreach ($_TMPTABLE as $time => $val)
>        {
>                if (preg_match("/^[0-9]/", $val))
>                {
>                        $_OUTTABLE[$time]= $_OUTTABLE[$time] + $val;
>                }
>        }
> }
>
> $peak=0;
> $peak_time=0
>
> foreach ($_OUTTABLE as $time => $val)
> {
>        if ($val >= $peak)
>        {
>                $peak=$val;
>                $peak_time=$time;
>        }
> }
>
>
> Thanks in advance for any helpful tips.
> -- 
> View this message in context: http://n2.nabble.com/Problem-with-custom-PHP-script-peak-traffic-tp3790452p3790452.html
> Sent from the RRDtool Users Mailinglist mailing list archive at Nabble.com.
>
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