KVM: PPC: BookE: Add some more trace points

Without trace points, debugging what exactly is going on inside guest
code can be very tricky. Add a few more trace points at places that
hopefully tell us more when things go wrong.

Signed-off-by: Alexander Graf <agraf@suse.de>
diff --git a/arch/powerpc/kvm/booke.c b/arch/powerpc/kvm/booke.c
index 52f6cbb..00bcc57 100644
--- a/arch/powerpc/kvm/booke.c
+++ b/arch/powerpc/kvm/booke.c
@@ -143,6 +143,7 @@
 static void kvmppc_booke_queue_irqprio(struct kvm_vcpu *vcpu,
                                        unsigned int priority)
 {
+	trace_kvm_booke_queue_irqprio(vcpu, priority);
 	set_bit(priority, &vcpu->arch.pending_exceptions);
 }
 
@@ -457,6 +458,8 @@
 static void kvmppc_check_requests(struct kvm_vcpu *vcpu)
 {
 	if (vcpu->requests) {
+		trace_kvm_check_requests(vcpu);
+
 		if (kvm_check_request(KVM_REQ_PENDING_TIMER, vcpu))
 			update_timer_ints(vcpu);
 #if defined(CONFIG_KVM_E500V2) || defined(CONFIG_KVM_E500MC)