[mrtg] Re: Fwd: Newbie - Problems with CPU, memory, swap on Compaq Deskpro

Koelstra, J. (Jan) JKoelstra at MINSZW.NL
Wed Mar 23 11:40:34 MET 2005


Are you sure the oid's are returning the values you want to graph?

Use a MIB-browser from the host you run MRTG on to verify what is returned by "ssCpuRawUser.0" and the other oid's you use in your config file.
The returned values have to match with the values you see in the first line of your *.log and *.old files.



-----Original Message-----
From: Corstian [mailto:corstian at consonare.nl]
Sent: Tuesday, March 22, 2005 1:16 PM
To: Koelstra, J. (Jan)
Cc: Corstian; mrtg at list.ee.ethz.ch
Subject: RE: [mrtg] Fwd: Newbie - Problems with CPU, memory, swap on Compaq Deskpro

Hi Jan,

MRTG is running without any error, so the syntax of my config-file is correct, I guess...

I scheduled MRTG to run every 5 minutes as follows:
*/5 * * * * env LANG=C /usr/bin/mrtg /etc/mrtg/mrtg.conf --logging /var/log/mrtg.log

The output of MRTG can be found at http://pinkpanther.homelinux.net/System/mrtg/
To see the graphs: logon as user "guest" with password "guest".

Here you find a page, created by the indexmaker, containing 5 graphs. I will walk through them, and explain their problems.

1. Network Traffic Analysis (eth0): looks ok for me :-)

2. load average (cpu): I just get a constant value of 1.0 % for both user load as system load, instead of the fluctuating graph I expect. It just cannot be true, that the load is that constant.

3. load average (cpu2): Almost the same as cpu, but here I get 0%, which really cannot be true

4. Memory Statistics: Physical Memory: Total Memory looks ok (The system has 256 MB installed), but the Available Memory on the graph is always 0 MB, while the real available memory is fluctuating between 5 MB and 20 MB

5. Memory Statistics: Swap: Available swap on the graph is now always 0 MB, while it should be (most of the time) 512 MB. Total swap on the graph is fluctuating betweeen 0 MB and 10 MB, maybe this isn't the Total Swap, but the used swap, but I am not sure about that.

Again the links to my system:
Here is a link to my mrtg.conf file:

Here you can find the actual graphs, created by mrtg:

Here you can find some info about my system (created by phpSysinfo)

To logon to these webpages, you can use:
user: guest
pass: guest


Koelstra, J. (Jan) zei:
> Corstian,
> Before we can help some more information is needed:
> First of all: Do you get any errors when running your mrtg.conf file
> manualy (or are there errors in the logfile in case you started your
> script with --logging=<filename> )? If you don't get any errors then
> your config is OK and MRTG does what it is told to do. If this is the
> case you have to tell us what you expect.
> Jan.
> -----Original Message-----
> From: mrtg-bounce at list.ee.ethz.ch [mailto:mrtg-bounce at list.ee.ethz.ch]
> On Behalf Of Corstian
> Sent: Tuesday, March 22, 2005 11:28 AM
> To: mrtg at list.ee.ethz.ch
> Subject: [mrtg] Fwd: Newbie - Problems with CPU, memory, swap on
> Compaq Deskpro
> Hi All,
> I am very new to mrtg, so maybe this is a very simple question. The
> graphs generated by mrtg don't show the information I expected.
> I have installed mrtg on a Compaq Desktop Pentium II running SuSE
> Linux 9.1.
> any help is welcome!
> thanks,
> Corstian


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