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xen-users
Re: [Xen-users] How set up CPU time
Nitesh Gangarde, Noida ha scritto:
HI
Yes you can restrict the virtual machine to use the % of cpu. This can
be done through
Suppose you have a 2 virtual machine in your system. So you can give a
Weight in such a ratio so that one virtual machine can use 20% cpu.
For ex:
Suppose you have provided the domain0 a weight 1
Command for giving the weight is: xm sched-sedf <domain id> -e 0 -w 1
Vm01 ---virtual machine 1 ---> weight 2
Command for giving the weight is: xm sched-sedf <domain id> -e 0 -w 2
Vm02 ---virtual machine 2 ---> weight 3
Command for giving the weight is: xm sched-sedf <domain id> -e 0 -w 3
And set the extra time option in xm sched-sedf to 0.
Now se all the virtual machine will use cpu in this propotion only.
1:2:3 = 16.5%:33%:51%
Means domain0 will use only 16.5% cpu
Vm01 use only 33% cpu
Vm02 use only 51% cpu.
I hope it is cleared to you. If you do have any problem let me know I
will elaborate it.
Thanks and regards
Nitesh Gangrade
-----Original Message-----
From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
[mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Diego
Parasecoli
Sent: Friday, July 21, 2006 2:16 PM
To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-users] How set up CPU time
Hi all,
i know that for each virtual machine i can set up a number of vcpu. But
if i want to give only a % of the real CPU? For example: how can i set
up a virtual domain for using only 20% of the real CPU? is it possible?
Ty in advance
D.
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Ty, so if i want to give only 10% of the cpu time i must set the weight
as follow:
Dom0 16
Vm01 2
Vm02 2
16:2:2 = 80%:10%:10%
Is it right? and this configuration is permanent after a reboot?
ty
D.
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