[Xen-users] How to collect performance stats?

[Erik Hensema <erik@xxxxxxxxxxx>]

Hi,

I'm currently setting up a xen server. I'd like to be able to collect 
performance statistics so I can monitor the server's performance.

First of all I'd like to create network graphs using mrtg. This 
shouldn't be a big problem, I'll just write a script which maps 
vifX.Y to the correct domU.
However I'm not completely sure yet how to accomplish this. Maybe I'll 
make a vif-bridge wrapper which maintains a list of active domains 
and their vifX.Y interfaces. Or alternatively I'll just make a script 
which enumerates all running domains. But I don't know how to do that 
yet, except for running 'xm list' through some pipes (which is ugly, 
I don't want to parse human-readable output into machine-readable 
input).

I also want to collect stats on CPU and I/O utilization of domains. I 
don't have a clue on how to do that yet ;-)
Any suggestions?

-- 
Erik Hensema (erik@xxxxxxxxxxx)

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