KVM paravirtualized clock
modulename: kvmclock.ko
configname: CONFIG_KVM_CLOCK
Linux Kernel Configuration for x86
└─>Processor type and features
└─>Paravirtualized guest support
└─>KVM paravirtualized clock
In linux kernel since version 2.6.26 (release Date: 2008-07-13)
Turning on this option will allow you to run a paravirtualized clock
when running over the KVM hypervisor. Instead of relying on a PIT
(or probably other) emulation by the underlying device model, the host
provides the guest with timing infrastructure such as time of day, and
system time
when running over the KVM hypervisor. Instead of relying on a PIT
(or probably other) emulation by the underlying device model, the host
provides the guest with timing infrastructure such as time of day, and
system time