Sorry for top posting,
At the time I wrote xguests, the sysfs path to determine VBD read /
write / out of requests was in the air. As such, I did not include it.
Adding that is now trivial and an exercise for the reader.
Use it as a (hurried) example to hack the tools you need into working.
Cheers,
--Tim
On Mon, 2010-01-04 at 15:33 +0000, Ahmad Hassan wrote:
> Yeah you are absolutely rite. Do you know any means to record the CPU
> consumption and IO consumption of DomU's on Dom0?
>
> Thanks for the help.
>
> Best Regards, Hassan
> http://cern.ch/ahmadh/portfolio
>
> Erasmus Student
> The University of Reading, UK
> Aristotle University of Thessaloniki, Greece
> The University Of Carlos III, Madrid Spain
>
>
>
> 2010/1/4 Tim Post <echo@xxxxxxxxxxxx>
> On Mon, 2010-01-04 at 15:11 +0000, Ahmad Hassan wrote:
> > Thanks for the replies. So I can use either use SNMP
> monitoring using
> > CACTI or http://www.pmacct.net for Network traffic
> monitoring of
> > DomU's.
> >
> > What about CPU availability guarantees for DomU's?
> >
> > By SLA guarantees, I mean to say that Whether I can proof
> and show to
> > the owner of DomU's that you are getting the exact bandwidth
> and CPU
> > you asked for.
>
>
> To do that, give them root access to dom-0 and let them see
> their
> running configuration.
>
> Beyond that, there is no proof that can't be tainted. Welcome
> to
> hosting :)
>
> How would you give someone proof that they are one of only
> five accounts
> on a shared server?
>
> You might want to encourage clients to monitor iowait while
> doing brief
> disk operations (i.e. dd) if they are morbidly curious,
> provided that
> the backing storage is fast enough to keep up with the vcpus
> that xen is
> presenting.
>
> BTW, removing xen-devel from the CC list, this is strictly a
> question
> for xen-users.
>
> Cheers,
> --Tim
>
>
>
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