qemu_agent: Add some more debug prints

for agent ref count and qemuProcessHandleAgentDestroy

src/qemu/qemu_agent.c

@@ -155,13 +155,14 @@ static void qemuAgentFree(qemuAgentPtr mon)
 int qemuAgentRef(qemuAgentPtr mon)
 {
     mon->refs++;
+    VIR_DEBUG("%d", mon->refs);
     return mon->refs;
 }
 
 int qemuAgentUnref(qemuAgentPtr mon)
 {
     mon->refs--;
-
+    VIR_DEBUG("%d", mon->refs);
     if (mon->refs == 0) {
         qemuAgentUnlock(mon);
         qemuAgentFree(mon);

src/qemu/qemu_process.c

@@ -167,6 +167,8 @@ static void qemuProcessHandleAgentDestroy(qemuAgentPtr agent,
 {
     qemuDomainObjPrivatePtr priv;
 
+    VIR_DEBUG("Received destroy agent=%p vm=%p", agent, vm);
+
     virDomainObjLock(vm);
     priv = vm->privateData;
     if (priv->agent == agent)