[rrd-users] Re: Monitoring each CPU in a SMP server

[Thomas Erskine]

At 13:25 2002-06-26 +0200, Iñaki Martínez wrote:
[snip]
>  My problems are (in order):
>
>  1) how to get data for each CPU
>     now i get via mpstat, a program that show each CPU status

"mpstat -P ALL" works for me under linux.

>  2) how to store data in rrd file
>
>  something like this??
>
>  DS:user0:GAUGE:600:U:U
>  DS:nice0:GAUGE:600:U:U
>  DS:system0:GAUGE:600:U:U
>  DS:idle0:GAUGE:600:U:U
>  DS:user1:GAUGE:600:U:U
>  DS:nice1:GAUGE:600:U:U
>  DS:system1:GAUGE:600:U:U
>  DS:idle1:GAUGE:600:U:U
>
>  and so on.... for more CPU's (i only have two)
>
>  3) how to graph ALL CPUs in the same graph, if possible
>     if NOT possible how to graph, one for each CPU???

Where's the difficulty?

rrdtool graph xyzzy.png \
         --start ... \
         DEF:user0=my.rrd:user0:AVERAGE
         DEF:user1=my.rrd:user1:AVERAGE
         ...
         LINE1:user0#ff0000
         LINE1:user1#00ff00
         ...

>  Thanks !!!
>
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