[mrtg] Re: Multiple/single hyperthreaded CPUs have inconsistent polled value ranges

[Spencer B. Torene]

Hi, Gary, thanks for replying,

I'm just using what you see in the configuration file at the bottom -
so, I haven't used the numbered format, but the named format
(ssCpuRawUser, etc).  Would it be better to use the numbers?

Thanks!
Spencer


-----Original Message-----
From: Gary W. Smith [mailto:gary at primeexalia.com] 
Sent: Tuesday, December 27, 2005 1:57 PM
To: Spencer B. Torene; mrtg at list.ee.ethz.ch
Subject: RE: [mrtg] Multiple/single hyperthreaded CPUs have inconsistent
polled value ranges

Out of curiosity, what OID are you using?

> -----Original Message-----
> From: mrtg-bounce at list.ee.ethz.ch [mailto:mrtg-bounce at list.ee.ethz.ch]
On
> Behalf Of Spencer B. Torene
> Sent: Tuesday, December 27, 2005 9:31 AM
> To: mrtg at list.ee.ethz.ch
> Subject: [mrtg] Multiple/single hyperthreaded CPUs have inconsistent
> polled value ranges
> 
> Hi, and happy holidays to all.
> 
> 
> 
> 
> I am graphing the network usage on the CPU usage of about 15 different
> servers.  Most have two hyperthreaded CPUs (creating 4 visible CPUs in
> the "top" command), but some have only one hyperthreaded CPU (showing
2
> CPUs).  There seems to be no consistency in how I poll these two types
> of servers.
> 
> 
> 
> For the servers with two hyperthreaded CPUs, I divide the polled
values
> (in the config file, below) by 2, which creates an accurate looking
CPU
> graph (as far as I can tell).  For the servers with one hyperthreaded
> CPU, I don't divide the polled values, but the values shoot off to
over
> 100%, anyway, which creates flatlined graphs at about 87% usage.  Is
> there a reason why I should be dividing both types of servers by 2?
> What am I missing?
> 
> 
> 
> 
> 
> Thanks a lot!
> 
> Spencer
> 
> 
> 
> 
> 
> 
> 
> CONFIG FILE:
> 
> 
> 
> LoadMIBs: /etc/mrtg/MIBs/UCD-SNMP-MIB_10.168.46.56.txt
> 
> 
> 
> Target[10.168.46.56_cpu_usage]:
> ssCpuRawUser.0&ssCpuRawUser.0:community at 10.168.46.56 +
> ssCpuRawSystem.0&ssCpuRawSystem.0:community at 10.168.46.56 +
> ssCpuRawNice.0&ssCpuRawNice.0:community at 10.168.46.56
> 
> MaxBytes[10.168.46.56_cpu_usage]: 100
> 
> Title[10.168.46.56_cpu_usage]: CPU Usage for 10.168.46.56 -- ildb03
> 
> PageTop[10.168.46.56_cpu_usage]: <H1>CPU Usage for 10.168.46.56 --
> ildb03</H1>
> 
> ShortLegend[10.168.46.56_cpu_usage]: %
> 
> YLegend[10.168.46.56_cpu_usage]: % CPU Utilization
> 
> Legend1[10.168.46.56_cpu_usage]: Current CPU percentage load
> 
> LegendI[10.168.46.56_cpu_usage]: Active
> 
> LegendO[10.168.46.56_cpu_usage]:
> 
> Unscaled[10.168.46.56_cpu_usage]: ymwd
> 
> Options[10.168.46.56_cpu_usage]: growright


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