Re: Réf. : [Xen-users] On an eight cpu system domU 'cap' can only be set to 100

[td-ifs@xxxxxx]

Does not change anything. Regardless where I set vcpu I cannot increase it.

I forgot the environment: Debian Etch, amd64, Xen 3.0.3-1

Thanks
   Thomas D


On Thursday 14 February 2008 18:14, pierre.gentile@xxxxxxxx wrote:
> You should try to put : vcpus = 8 into your domu configuration file and
> restart it
>
> Regards
>
> Pierre Gentile
>
>
>
>              td-ifs@xxxxxx
>              Envoyé par :
>              xen-users-bounce                                         Pour
>              s@xxxxxxxxxxxxxx          xen-users@xxxxxxxxxxxxxxxxxxx
>              e.com                                                      cc
>
>                                                                      Objet
>              14/02/2008 16:13          [Xen-users] On an eight cpu system
>                                        domU 'cap' can only be set to 100
>
>
>
>
>
>
>
>
>
>
> On a 8 Core system only dom0 can set cap > 100 and vcpus > 1. On a domU
>
> 'xm sched-credit -d <domU> -c 200'
>
> says "Error: cap is out of range". Vcpu cannot be set higher than 1 -
> regardless of boot/config/command line. Low performance is equivalent to
> the
> cap setting.
>
>
> See 'xm list --long':
>
> (domain
>     (domid 0)
>     (uuid 00000000-0000-0000-0000-000000000000)
>     (vcpus 8)
>     (cpu_weight 1.0)
>     (memory 256)
>     (shadow_memory 0)
>     (maxmem 256)
>     (features )
>     (name Domain-0)
>     (on_poweroff destroy)
>     (on_reboot restart)
>     (on_crash restart)
>     (state r-----)
>     (shutdown_reason poweroff)
>     (cpu_time 458.198750944)
>     (online_vcpus 8)
> )
> (domain
>     (domid 5)
>     (uuid f9070996-4ae2-bbc6-ad88-80e0da1a13f1)
>     (vcpus 1)
>     (cpu_weight 1.0)
>     (memory 1024)
>     (shadow_memory 0)
>     (maxmem 2048)
>     (features )
>     (name dev-services)
>     (on_poweroff destroy)
>     (on_reboot restart)
>     (on_crash restart)
>     (image
>         (linux
>             (kernel /boot/vmlinuz-2.6.18-5-xen-amd64)
>             (ramdisk /boot/initrd.img-2.6.18-5-xen-amd64)
>             (ip 10.10.10.56:1.2.3.4:10.10.10.254:255.255.255.0::eth0:off)
>             (root '/dev/sda1 ro')
>             (args 'mem=2048M')
>         )
>     )
>     (device
>         (vif
>             (backend 0)
>             (script vif-bridge)
>             (bridge xenbr1)
>             (mac 00:16:3e:00:00:01)
>         )
>     )
>     (device
>         (vbd
>             (backend 0)
>             (dev sda1:disk)
>             (uname phy:server/dev-services-root)
>             (mode w)
>         )
>     )
>     (state -b----)
>     (shutdown_reason poweroff)
>     (cpu_time 5.184650252)
>     (online_vcpus 1)
>     (up_time 1186.54874301)
>     (start_time 1202999946.85)
>     (store_mfn 628537)
>     (console_mfn 628536)
> )
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