libvirt/tests/qemuxml2argvdata/qemuxml2argv-cpu-kvmclock.args
Paolo Bonzini b66d1bef14 qemu: parse and create -cpu ...,-kvmclock
QEMU supports a bunch of CPUID features that are tied to the kvm CPUID
nodes rather than the processor's.  They are "kvmclock",
"kvm_nopiodelay", "kvm_mmu", "kvm_asyncpf".  These are not known to
libvirt and their CPUID leaf might move if (for example) the Hyper-V
extensions are enabled. Hence their handling would anyway require some
special-casing.

However, among these the most useful is kvmclock; an additional
"property" of this feature is that a <timer> element is a better model
than a CPUID feature.  Although, creating part of the -cpu command-line
from something other than the <cpu> XML element introduces some
ugliness.

Reviewed-by: Jiri Denemark <jdenemar@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2012-01-27 16:51:50 +01:00

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LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test ./qemu.sh -S -M pc \
-cpu core2duo,-kvmclock -enable-kvm -m 214 -smp 6 \
-nographic -monitor unix:/tmp/test-monitor,server,nowait -no-acpi -boot n -net \
none -serial none -parallel none -usb