lib/ref.c: add logging

Signed-off-by: Philippe Proulx <eeppeliteloop@gmail.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>

diff --git a/lib/ref.c b/lib/ref.c
index 4e245adf583092ebcb95edb3b1dfc5dfd692b73f..d2ec688e7d3d1d3f31ebd4586bb28ffbceefaf73 100644 (file)
--- a/lib/ref.c
+++ b/lib/ref.c
@@ -27,6 +27,9 @@
 #include <babeltrace/ref-internal.h>
 #include <babeltrace/object-internal.h>
 
+#define BT_LOG_TAG "REF"
+#include <babeltrace/lib-logging-internal.h>
+
 void *bt_get(void *ptr)
 {
        struct bt_object *obj = ptr;
@@ -36,9 +39,14 @@ void *bt_get(void *ptr)
        }
 
        if (unlikely(obj->parent && bt_object_get_ref_count(obj) == 0)) {
+               BT_LOGV("Incrementing object's parent's reference count: "
+                       "addr=%p, parent-addr=%p", ptr, obj->parent);
                bt_get(obj->parent);
        }
        bt_ref_get(&obj->ref_count);
+       BT_LOGV("Incremented object's reference count: %lu -> %lu: "
+               "addr=%p, new-count=%lu", obj->ref_count.count - 1,
+               obj->ref_count.count, ptr, obj->ref_count.count);
 end:
        return obj;
 }
@@ -51,5 +59,8 @@ void bt_put(void *ptr)
                return;
        }
 
+       BT_LOGV("Decrementing object's reference count: %lu -> %lu: "
+               "addr=%p, cur-count=%lu", obj->ref_count.count,
+               obj->ref_count.count - 1, ptr, obj->ref_count.count);
        bt_ref_put(&obj->ref_count);
 }