[Xen-users] xm sched-credit not work

[Lei Lu <lulei.wm@xxxxxxxxx>]

Hi all,

I am trying to dynamically change the CPU cap for one guest domain,
but I cannot. The following is one example:
The CPU cap is shown at first
[root@llu]# xm sched-credit
Name                                ID Weight  Cap
Domain-0                             0    256    0
vm8                                    13    256   40
-----------------------------------------------------------
Then, I try to change its CPU cap to 90%, so, I run the command
-----------------------------------------------------------
[root@asds64 local_VMs]# xm sched-credit -d 13 90
Name                                ID Weight  Cap
vm8                                    13    256   40
-----------------------------------------------------------
But it is not worked.

I am wondering whether it is a common issue or just for me. The
version of xen is 3.3.1. The vm configuration file is here:

kernel = "/boot/vmlinuz-2.6.18.8-xen"
ramdisk = "/boot/initrd-2.6.18.8-xen.img"
extra = "3"
extra = "xencons=tty"
memory = 1024
vcpus = 1
name = "vm8"
vif = [ 'ip=172.16.2.108,bridge=xenbr0' ]
disk = ['tap:aio:/root/local_VMs/vm8.img,sda1,w']
root = "/dev/sda1"

Best,
Lei

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