nsec_to_cycles
nsec_to_cycles(vcpu, timer_advance_ns)));
nsec_to_cycles(apic->vcpu, ns_remaining_new) -
nsec_to_cycles(apic->vcpu, ns_remaining_old);
nsec_to_cycles(apic->vcpu, deadline);
nsec_to_cycles(apic->vcpu, delta);
lapic_timer_advance_cycles = nsec_to_cycles(vcpu,
nsec_to_cycles(vcpu, elapsed);
u64 delta = nsec_to_cycles(vcpu, elapsed);