[Qemu-devel] [Bug 928676] Re: QEMU does not support Westmere (Intel Xeon) CPU model

[Martin Salbaba]

An application test with high cpu load gives the timing statistics give:
                                              

                                           bare metal
virtual                           percent

X4560 cpu                            50m28s
54m0s                          107%

X5690 (westermere)         29m20s                          38m0s
134%

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https://bugs.launchpad.net/bugs/928676

Title:
  QEMU does not support Westmere (Intel Xeon) CPU model

Status in QEMU:
  New

Bug description:
  Setting the CPU model to Westmere (Intel Xeon server CPU) is not
  possible.

  libvirt uses 'core2duo' as fallback:
  https://bugzilla.redhat.com/show_bug.cgi?id=708927

  
  $ qemu -cpu ?
  x86           [n270]
  x86         [athlon]
  x86       [pentium3]
  x86       [pentium2]
  x86        [pentium]
  x86            [486]
  x86        [coreduo]
  x86          [kvm32]
  x86         [qemu32]
  x86          [kvm64]
  x86       [core2duo]
  x86         [phenom]
  x86         [qemu64]

  $ qemu --version
  QEMU emulator version 1.0 (Debian 1.0+dfsg-3), Copyright (c) 2003-2008 
Fabrice Bellard

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