Update VIRT_CONTROL audit record with pid.

Added a new field "vm-pid" to the VIRT_CONTROL audit record. This information
is useful to correlated another audit events to the events generated by
libvirt.

AUTHORS

@@ -218,6 +218,7 @@ Patches have also been contributed by:
   Martin Kletzander    <mkletzan@redhat.com>
   Laszlo Ersek         <lersek@redhat.com>
   Zeeshan Ali (Khattak) <zeeshanak@gnome.org>
+  Marcelo Cerri        <mhcerri@linux.vnet.ibm.com>
 
   [....send patches to get your name here....]
 

src/conf/domain_audit.c

@@ -562,8 +562,8 @@ virDomainAuditLifecycle(virDomainObjPtr vm, const char *op,
     }
 
     VIR_AUDIT(VIR_AUDIT_RECORD_MACHINE_CONTROL, success,
-              "virt=%s op=%s reason=%s %s uuid=%s",
-              virt, op, reason, vmname, uuidstr);
+              "virt=%s op=%s reason=%s %s uuid=%s vm-pid=%d",
+              virt, op, reason, vmname, uuidstr, vm->pid);
 
     VIR_FREE(vmname);
 }