[CentOS] xentop batch mode

Lucian @ lastdot.org lucian at lastdot.org
Tue Feb 9 20:34:42 UTC 2010


On Tue, Feb 9, 2010 at 8:50 AM, Pasi Kärkkäinen <pasik at iki.fi> wrote:
> On Tue, Feb 09, 2010 at 04:06:37AM +0200, Nux wrote:
>> Hi guys,
>> First of all, sorry to send this one here on the centos ml. I know it's kind of off-topic, but the xen-users list seems a dead end, I was hoping some of you guys are experienced in this.
>>
>> I have a problem with a xen 3.4.2 on Centos 5 x86_64 installation, I need to see the total/used/available memory of dom0 when using xentop, however in batch mode it doesn't seem to work.
>> If I use the normal mode of xentop I get all that info nicely, however in batch mode it looks like this:
>> http://bayimg.com/mAkNEAace
>>
>> A friend of mine told me that the memory info I need gets displayed on Centos 5 stock xen versions when running xentop in batch mode.
>> Anyone can tell me what is going on? What am I missing? Is there any other way I can obtain that info?
>>
>> The xen is installed from gitco.de/repo/, should it matter. The kernel is 2.6.18-164.
>>
>
> For me the output from batch-mode and non-batch-mode is the same, using stock centos5 xen.
>
> Why do you need to know that information? You can get the Xen hypervisor memory stats from "xm info",
> and you should always dedicate a fixed amount of memory for dom0 anyway (disable dom0 ballooning).
>
> http://wiki.xensource.com/xenwiki/XenBestPractices
>
> -- Pasi
>
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Dooh, thanks for the xm info thing. I was too dumb last night to
actually think of that.
Also I completely agree with disabling dom0 ballooning and it's how I
run all my servers.

Thanks again,


Lucian


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