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

[Tim Freeman <tfreeman@xxxxxxxxxxx>]

On Sat, 7 Jan 2006 20:33:51 +0100
Goetz Bock <bock@xxxxxxxxxxx> 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?
> 
> Something like xm top, but with continuose logging to a (rr)database.

There is this for CPU time -> rrd
http://skaya.enix.org/wiki/XenStats

I needed to change a tiny something to get it working in Xen3:

diff xenupdate.py modified.xenupdate.py
16c16
<     name,id,mem,cpu,state,cputime,console=re.split("[\t ]+",domain)
---
>     name,id,mem,cpu,state,cputime=re.split("[\t ]+",domain)


Tim 



> 
> Or a munin plugin?
> 
> I can't remember seeing anything simmilar on the list.
> 
> 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.
> -- 
> /"\ Goetz Bock at blacknet dot de  --  secure mobile Linux everNETting
> \ /       (c) 2006 Creative Commons, Attribution-ShareAlike 2.0 de
>  X   [ 1. Use descriptive subjects - 2. Edit a reply for brevity -  ]
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