| |
|
 |
|
 |
|
|
|
| |
|
|
xen-devel
Re: [Xen-devel] monitoring domain resource usage
On Wed, 2004-10-20 at 00:53, Diwaker Gupta wrote:
> On Tue, 19 Oct 2004 21:52:59 +0100, Neugebauer, Rolf
> <rolf.neugebauer@xxxxxxxxx> wrote:
> > There currently is no such tool, however xen exports via the control
> > interface to dom0 the relevant information. E.g. 'xm list' reports cpu
> > time consumed per VM. It should be straight forward to implement a tool
> > periodically calling this interface and compute CPU percentages. This
> > could either be done via the 'xm' interface or the xen.lowlevel.xc
> > interface. The latter should have less overhead.
>
> I played around with 'xm list' but soon ran into problems. I'm not
> sure if this is specific to a particular CPU scheduler, or a general
> problem that others have noticed too.
>
> Right now I have xen (booted using sched=atropos) running two VMs,
> each running a CPU intensive job. However, the cpu-time (as reported
> by xm list -l) does not seem to be changing *at all*, even across runs
> lasting for minutes. The uptime gets updated properly, though.
>
> Is this a known issue?
I can not reproduce this. I run two while one loops in two domains and
cpu time goes up...i have not tested with different scheduling
parameters. This is on a machine with xen 2.0 as off a week or so ago.
In general atropos is not really tested that much.
Rolf
-------------------------------------------------------
This SF.net email is sponsored by: IT Product Guide on ITManagersJournal
Use IT products in your business? Tell us what you think of them. Give us
Your Opinions, Get Free ThinkGeek Gift Certificates! Click to find out more
http://productguide.itmanagersjournal.com/guidepromo.tmpl
_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxxxx
https://lists.sourceforge.net/lists/listinfo/xen-devel
|
|
|
| |
|
Home