Re: [Xen-users] stubdom

[Manuel Knitza <manuel.knitza@xxxxxxxxxxxxxxx>]

Von meinem iPhone gesendet

> Am 18.05.2016 um 11:45 schrieb George Dunlap <dunlapg@xxxxxxxxx>:
> 
>> On Tue, May 17, 2016 at 1:37 PM, 席康杰 <xikangjie@xxxxxx> wrote:
>> Hi,
>> 
>>    I read slide Performance Tuning Xen, find stubdom can boost HVM
>> performance,
>> 
>> so I try it, the wiki Device_Model_Stub_Domains says use the
>> ‘device_model_stubdomain_override’
>> 
>> option in guest configuration file:
>> 
>>    device_model_stubdomain_override = 1
>> 
>> 
>> 
>> This is my cfg file:
>> 
>> 
>> 
>> name = "test_stubdom"
>> 
>> builder = "hvm"
>> 
>> vcpus = 2
>> 
>> memory = 1024
>> 
>> disk = ["tap:qcow2:test_stubdom.img,hda,w"]
>> 
>> vif = ["type=ioemu, bridge=xenbr0, mac=00:16:3e:eb:ca:80"]
>> 
>> boot = "c"
>> 
>> pae = 1
>> 
>> acpi = 1
>> 
>> apic = 1
>> 
>> localtime = 1
>> 
>> vga="stdvga"
>> 
>> vgaram=64
>> 
>> vnc = 1
>> 
>> vnclisten = "0.0.0.0"
>> 
>> vncdisplay = 128
>> 
>> vncunused = 0
>> 
>> vncpasswd = "test"
>> 
>> device_model_linux_stubdomain_override = 1
>> 
>> 
>> 
>> The vm can start, but it has no difference with
>> “device_model_linux_stubdomain_override = 0”.
>> 
>> The dom0 also has backend qemu-system-i386 process for domain test_stubdom.
>> 
>> 
>> 
>> Did I use stubdom wrong? or how to use stubdom? anyone has an idea?
> 
> Why did you add "linux" in the middle of that option?
> device_model_linux_stubdomain_override is not a parameter that xl
> knows, so it just ignores it.
> 
> -George
> 
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