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[Xen-users] how can I enable multiple vcpus?


  • To: "xen-users" <xen-users@xxxxxxxxxxxxx>
  • From: "fangtuo90" <fangtuo90@xxxxxx>
  • Date: Sun, 6 Dec 2015 14:45:42 +0800
  • Delivery-date: Sun, 06 Dec 2015 13:27:23 +0000
  • List-id: Xen user discussion <xen-users.lists.xen.org>

I've configured 'dom0_max_vcpus=4 dom0_vcpus_pin' in bootloader.

However, 'xl list' shows only one vcpu is available to dom0
~$ sudo xl list
Name                                        ID   Mem VCPUs      State   Time(s)
Domain-0                                     0  8191     1     r-----     533.2
ubuntu-hvm                                   1  2048     1     -b----      67.3

'xl vcpu-list' shows 3 of the 4 vcpus are paused, even though 'xentop' shows the cpu usage of dom0 is almost 100%
~$ sudo xl vcpu-list
Name                                ID  VCPU   CPU State   Time(s) Affinity (Hard / Soft)
Domain-0                             0     0    0   r--     533.6  0 / all
Domain-0                             0     1    -   --p       0.0  1 / all
Domain-0                             0     2    -   --p       0.0  2 / all
Domain-0                             0     3    -   --p       0.0  3 / all
ubuntu-hvm                           1     0    5   -b-      67.3  all / all

xentop - 14:42:29   Xen 4.6.0
2 domains: 1 running, 0 blocked, 0 paused, 0 crashed, 0 dying, 0 shutdown
Mem: 33451548k total, 10939112k used, 22512436k free    CPUs: 6 @ 1600MHz
NAME  STATE   CPU(sec) CPU(%)     MEM(k) MEM(%)  MAXMEM(k) MAXMEM(%) VCPUS 
Domain-0 -----r       1003   93.1    8388604   25.1    8388608      25.1     4  
ubuntu-hvm ------       140   9.6    2097452    6.3    2098176       6.3     1   

Any ideas on how to trully enable the vcpus?
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