[rrd-users] rrdtool graph help

[rrd-users at ficos.de]

Yaw Owusu-Ansah schrieb:
> Hi team,
> 
> Started using rrdtool and it’s really nice.
> 
> But I have some problem and hope you help. Am monitoring the usage of 
> CPU on my linux box through snmp and getting the values, for example 
> UCD-SNMP-MIB::ssCpurawUser ie .1.3.6.1.4.1.2021.11.50.0  that for 
> system, nice and idle, into my rrd and using those values to plot my 
> graph. My problem is how can I convert those values am getting from snmp 
> which are huge figures into Percentage so I can read percentage values 
> from my graphs and not the huge values.
> 
> Thanks.
> 
> Yaw.


You need to use COUNTER rather than GAUGE when creating the rrd.
If you're still getting numbers > 100 you probably have more than 1 CPU core.
Then you need to divide the value by # of CPUs using CDEF (rpn)

hth

- Karl