Re: [Xen-users] How to set Domain-0 VCPUS in Ubuntu 12.04

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Tue, Oct 14, 2014 at 04:25:25PM +0800, qy610426@xxxxxxx wrote:
> 
> Hi,
>     I try to pin cpu cores for Domain-0,I use Ubuntu 12.04 ,xen 4.1.5. 
> according to this article  "Tuning Xen for Performance"
>     1. I change the file "/etc/default/grub":
>     
> GRUB_DEFAULT="Xen 4.1-amd64" 
> #GRUB_HIDDEN_TIMEOUT=0 
> GRUB_HIDDEN_TIMEOUT_QUIET=true 
> GRUB_TIMEOUT=2 
> GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian` 
> GRUB_CMDLINE_LINUX_DEFAULT="dom0_max_vcpus=4 dom0_vcpus_pin" 
> GRUB_CMDLINE_LINUX=""
> 

You're attaching those options to Linux kernel, which is wrong.

They should be attached to Xen.

Wei.

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