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Re: [Qemu-discuss] High CPU in idle Windows guest
From: |
Terry Glanfield |
Subject: |
Re: [Qemu-discuss] High CPU in idle Windows guest |
Date: |
Sun, 10 May 2015 01:44:53 +0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.4 (berkeley-unix) |
Hi Dave,
With -enable-kvm I get.
Could not access KVM kernel module: No such file or directory
failed to initialize KVM: No such file or directory
Where to next? I'm willing to help diagnose it in whatever way I can.
Regards,
Terry.
Dave Gosselin <address@hidden> writes:
> Try supplying the -enable-kvm option to your qemu arguments. If it
> doesn't work then the support may not be compiled in to qemu or the
> driver may not be loaded into the kernel. Let me know.
> Dave Gosselin
>
> Sent from my iPhone
>
>> On May 9, 2015, at 18:52, Terry Glanfield <address@hidden> wrote:
>>
>>
>> Hi,
>>
>> I'm running a freshly installed Windows 7 domU on an up-to-date Debian
>> jessie machine running Xen 4.4.1-9. When the Windows machine is idle,
>> I'm seeing upwards of 10% CPU usage from the qemu-system-i386 instance.
>> Other Linux and FreeBSD machines register negligable CPU usage (<0.5%).
>> The server is an HP Proliant DL360 G7.
>>
>> PV drivers don't seem to make any difference.
>>
>> Data from perf attacthed to the process might give the best clues.
>>
>> Any information as to why this processes is comsuming so much CPU would
>> be much appreciated.
>>
>> Regards,
>> Terry.