[rrd-users] Re: rrdtool and mbmon?

[Milan Obuch]

On Wednesday 09 June 2004 08:50, Can-Carlo Dörtbudak wrote:
> Hi there,
>
> i'm new in using rrdtool, but it's a good tool. Now have problem with
> mbmon. Does anyone use mbmon to collect temperature from cpu? I don't know
> how to manage this. Could you help me a bit.
>
> Can

Hi,
this is part of my script doing just that:

use RRDs;

local $rrddir = '/datadir';
local $current_time = time;

die("can't run 'mbmon'") unless open(MBMON,'/usr/local/bin/mbmon -c 1 |');

while (<MBMON>)
 {chomp;
  next if /^$/;
  if (/^Temp.=\s*(\d+\.\d+),\s*(\d+\.\d+),\s*(\d+\.\d+);/)
   {RRDs::update("${rrddir}/t/1.rrd","${current_time}:${1}");
    RRDs::update("${rrddir}/t/2.rrd","${current_time}:${2}");
    RRDs::update("${rrddir}/t/3.rrd","${current_time}:${3}");
   }
 }
close(MBMON);

mbmon reports 3 temperatures, so I created 3 rrd files using following

RRDs::create($file,
    '--step','300',
    'DS:t:GAUGE:600:-50:150',  # min -50 degrees, max 150 degrees
    'RRA:AVERAGE:0.5:1:600',   # 600 * 5 min = 2 d 2 h
    'RRA:AVERAGE:0.5:6:700',   # 700 * 30 min = 14 d 14 h
    'RRA:AVERAGE:0.5:24:775',  # 775 * 2 h = 64 d 14 h
    'RRA:AVERAGE:0.5:288:797', # 797 * 24 h = 797 d
    'RRA:MIN:0.5:288:797',
    'RRA:MAX:0.5:288:797',
   );

Hope this helps.
Regards,
Milan

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