[Bug 1414153] Re: qemu should not enable KSM on nested guests

[Chris J Arges]

#!/bin/bash
# 2015 Chris J Arges <chris.j.arges at canonical.com>
# Detect if we are running inside KVM
NESTED_VM=0
VM_STRINGS="KVM QEMU VMware VirtualBox Xen"
VM_DETECT=$(dmesg | egrep -e '(Hypervisor detected|Booting paravirtualized kernel)')
VM_DMIDECODE=$(sudo dmidecode | egrep -i 'manufacturer|product|vendor')
for vm_string in $VM_STRINGS; do
  if [[ ${VM_DETECT}${VM_DMIDECODE} == *"${vm_string}"* ]]; then
    NESTED_VM=1; break;
  fi
done
echo "NESTED_VM = $NESTED_VM"

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https://bugs.launchpad.net/bugs/1414153

Title:
  qemu should not enable KSM on nested guests

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