Re: [Xen-users] xen usage monitoring (munin plugin)

[tatu@xxxxxxxxx]

On Sat, 7 Jan 2006, Goetz Bock wrote:

> Dear list,
>
> as my Xen3 server is finaly becomming ready for production I was
> wondering if anyone has written a xen usage monitoring/logging tool?
funny you should ask, I wrote one yesterday :)

> Something like xm top, but with continuose logging to a (rr)database.
>
> Or a munin plugin?
its a munin plugin, but it doesnt work right just yet, it just gets times 
from xm list (and names of course)
> I can't remember seeing anything simmilar on the list.
yeah googled around for some time, but couldnt find any

> BTW: where does xm top get the NETTX(k) and NETRX(k) from?
>
> For a munin plugin I'd imagin two modes:
>
> - just monitor cpu usage off all domains (dom0 and domU) in one graph.
>  This can be parsed from xm list, or as suggested 2004/12/xx using some
>  more low level xen api. But I don't know how to figure out which of
>  the real CPU was used, otoh this information might not be relevant at
>  all.
> - monitor just one domain. But all data, like xm top does.
Idont have xm top on this server so I cant write a plugin for it :/

by no means this plugin is complete and I dont take any responsibility 
what ever and so on ;)
it should be quite easy to read...

--
Tatu Wikman
tatu@xxxxxxxxx

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