KVM: ppc: trace powerpc instruction emulation

This patch adds a trace point for the instruction emulation on embedded powerpc
utilizing the KVM_TRACE interface.

Signed-off-by: Christian Ehrhardt <ehrhardt@linux.vnet.ibm.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
diff --git a/arch/powerpc/kvm/emulate.c b/arch/powerpc/kvm/emulate.c
index 4a3e274..c3ed63b 100644
--- a/arch/powerpc/kvm/emulate.c
+++ b/arch/powerpc/kvm/emulate.c
@@ -769,6 +769,8 @@
 		break;
 	}
 
+	KVMTRACE_3D(PPC_INSTR, vcpu, inst, vcpu->arch.pc, emulated, entryexit);
+
 	if (advance)
 		vcpu->arch.pc += 4; /* Advance past emulated instruction. */