From: Avi Kivity <avi@redhat.com>
To: Arnaud Maillet <kutioo@gmail.com>
Cc: kvm@vger.kernel.org
Subject: Re: CPU troubles with kvm 83 redhat 5.4 windows 2008 server 64 bits
Date: Sun, 01 Nov 2009 17:35:41 +0200 [thread overview]
Message-ID: <4AEDAACD.7070007@redhat.com> (raw)
In-Reply-To: <23e336b00910290811m2465eb66ta2c2b28b47c475ff@mail.gmail.com>
On 10/29/2009 05:11 PM, Arnaud Maillet wrote:
> Hello world,
>
> I used to use Xen on my server but due to a non-patched cygwin problem
> I installed kvm 83 on my redhat 5.4 with the red hat rpm.
>
> I found some troubles with a windows 2008 server 64 bits guest. When I
> install a software like an anti-virus it takes a lot of time compare
> to Xen ( that takes 10 times more time on kvm) .
>
> The guest task manager displays 100% of the cpu is used but with the
> virt-manager (host) I can see just 7.5% of the cpu is used. Do you
> have any solutions ?
>
It's probably disk activity. Can you verify with vmstat?
If so, try using an lvm volume instead of a qcow2 file.
--
error compiling committee.c: too many arguments to function
prev parent reply other threads:[~2009-11-01 15:35 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-10-29 15:11 CPU troubles with kvm 83 redhat 5.4 windows 2008 server 64 bits Arnaud Maillet
2009-11-01 15:35 ` Avi Kivity [this message]
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