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[Xen-users] What's the different for "dom0_max_vcpus=4 dom0_vcpus_pin" and "dom0_max_vcpus=4" ?


  • To: Xen Mailing List <xen-users@xxxxxxxxxxxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx
  • From: lei yang <yanglei.fage@xxxxxxxxx>
  • Date: Fri, 21 May 2010 11:09:11 +0800
  • Cc:
  • Delivery-date: Thu, 20 May 2010 20:10:22 -0700
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Hi experts,


Q1:What's the different for "dom0_max_vcpus=4 dom0_vcpus_pin" and  "dom0_max_vcpus=4" ?
which will get better performance

Q2: dom0_max_vcpus=4 means "core0-3 will be just used by dom0" or means "4 cores(not dedicate cores) will be used by dom0, eg: core2-5 or core3-6?

Q3.what does mean "nosmp" , xen, dom0,domU, will just use one core????if so, can we specify the use different core. eg: dom0=core2 domU=core3? xen will use just one core?

Thanks
Lei








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