[mrtg] Re: CPU Load on Win2K

[Jerry Heidtke]

Don't try to use snmp4w2k to graph cpu usage on a multi-processor box. It won't work.

The .1.3.6.1.2.1.25.3.3.1.2.x OID (replace x with 1, 2, for whichever CPU you are using) is a little more reliable. However, this OID, by definition, shows the average CPU load over the past minute. If you are using MRTG to poll every five minutes, it won't be entirely accurate, although your averages over longer periods of time should be very close.

The best solution is if your hardware vendor supplies snmp agents that provide this data, like Compaq and some others do. The Compaq OID for five minute CPU average is .1.3.6.1.4.1.232.11.2.3.1.1.3.x (replace x with 0, 1, 2, etc.). 

If you can't use this, implement calling an external script that gets the WMI stats.

Jerry

-----Original Message-----
From: Michael Crousaz - HERKIMER SàRL [mailto:mcrousaz at herkimer.net] 
Sent: Wednesday, May 07, 2003 5:47 AM
To: Olivier BONHOMME; MRTG
Subject: [mrtg] Re: CPU Load on Win2K


First of all, you need to install SNMP4W2k
(http://www.wtcs.org/snmp4tpc/snmp4w2k.htm)

 Then, the Performance OID tree = 1.3.6.1.4.1.311.1.1.3.1.1.(##)
and the final ID's are :

Memory (1)
CPU (2)
Network Interface (3)
Physical Disk (4)
Logical Disk (5)
Paging File (6)
Process (7)
Server (8)
System (9)
Redirector (10)
Cache (11)

So, CPU OID are 1.3.6.1.4.1.311.1.1.3.1.1.2.

(Found on http://www.wtcs.org/snmp4tpc/availsta.htm#SNMP4W2K )


C U, Michael

----- Original Message -----
From: "Olivier BONHOMME" <obonhomme at media-developpement.fr>
To: <mrtg at list.ee.ethz.ch>
Sent: Wednesday, May 07, 2003 12:34 PM
Subject: [mrtg] CPU Load on Win2K


> Hi !
> I would want to know what is the MIB target for Cpu Load on Windows 2K
Server
>
> Best Regards
>
> OB
>
>
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