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[Xen-users] Kernel with Xen and perormance?


  • To: xen-users@xxxxxxxxxxxxxxxxxxx
  • From: Jean-Eric Cuendet <jec@xxxxxxxx>
  • Date: Sat, 07 Jan 2006 21:22:55 +0100
  • Delivery-date: Sat, 07 Jan 2006 20:29:16 +0000
  • List-id: Xen user discussion <xen-users.lists.xensource.com>

Hi,
What is the difference between a kernel with Xen but not used (Dom0 node) and a kernel without Xen code at all? For distrib, it could be very important that we have a standard kernel *with* Xen even if 95% of users don't use it (if the perf impact is null or low) so the 5% of the user that need/want Xen can use it out of the box without recompiling.

So, is there a perf penalty if Xen is in the kernel?
Thanks
-jec


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