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Re: [Xen-ia64-devel] problems with smp
- To: "Akio Takebe" <takebe_akio@xxxxxxxxxxxxxx>
- From: "David Brown" <dmlb2000@xxxxxxxxx>
- Date: Thu, 8 Feb 2007 09:10:45 -0800
- Cc: xen-ia64-devel@xxxxxxxxxxxxxxxxxxx
- Delivery-date: Thu, 08 Feb 2007 09:10:00 -0800
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- List-id: Discussion of the ia64 port of Xen <xen-ia64-devel.lists.xensource.com>
Yes.
If you alloc two vcpus to dom0, you must add dom0_max_vcpus=2 to
command line of xen. If you don't add dom0_max_vcpus, xen alloc one
vcpu to dom0. This is default as you said the above.
e.g. my elilo.conf
image=vmlinuz-2.6.18-xen
vmm=xen.gz
label=xen
initrd=initrd-2.6.18-xen.img
read-only
append="com2=115200,8n1 console=com2,vga dom0_mem=1G dom0_max_vcpus=2
sync_console -- rhgb root=LABEL=/ 3 console=tty0 console=ttyS1,115200,8n1"
Okay thanks, so this may seem like a dumb question but, if I have 8
other domUs running all with one vcpu is the xen kernel still going to
use the other cpus? and does `xm top` show the current cpu usage for
the system then (all xen cpus) regardless of how many cpus are on
dom0?
Thanks,
- David Brown
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