Re: [Xen-users] Slow DomU and cpu not being fully used

["Gastón Keller" <gastonkeller@xxxxxxxxx>]

On Tue, Jun 10, 2008 at 5:03 PM, Thomas <iamkenzo@xxxxxxxxx> wrote:
> Hi list,
>
> After setting up 4 DomU on my server. I decided to take my baby for a
> ride. In one of my DomU I am installing Rails, and it takes for ever.
> My server has a P4 3Ghz cpu, Dom0 has 600Mb ram and DomU has 528Ram.
> Hard drive is Sata2.
>
> When I type xentop I get:
> Domain-0 Cpu > around 10%
> DomU Cpu > 10-25%
>
> In Dom0, when I type top, I get:
> Cpu(s):  0.0%us,  0.0%sy,  0.0%ni, 98.7%id,  1.2%wa,  0.0%hi,  0.0%si,  0.2%st
>
>
> My cpu is hardly used by DomU. Is there something to tweak for the cpu?

Today I was looking for some info about cpu utilization, without much
success; however, I can think in a couple of things. First, it might
be the case that whatever you are running in DomU does not need to use
more CPU than what is actually using. It seems you are not having
problems with other VMs consuming CPU time.

Second, you could look for some info about scheduling, although I
don't think is that helpful if you only have one DomU.

Sorry for not being of much help,
Gaston

I could suggest that what you are running in DomU cannot run with much
more consumption
>
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