bdk: heap: add nodes info

bdk/mem/heap.c

@@ -172,7 +172,10 @@ void heap_monitor(heap_monitor_t *mon, bool print_node_stats)
 	while (true)
 	{
 		if (node->used)
+		{
+			mon->nodes_used++;
 			mon->used += node->size + sizeof(hnode_t);
+		}
 		else
 			mon->total += node->size + sizeof(hnode_t);
 
@@ -188,4 +191,5 @@ void heap_monitor(heap_monitor_t *mon, bool print_node_stats)
 			break;
 	}
 	mon->total += mon->used;
+	mon->nodes_total = count;
 }

bdk/mem/heap.h

@@ -40,6 +40,8 @@ typedef struct
 {
     u32 total;
     u32 used;
+    u32 nodes_total;
+    u32 nodes_used;
 } heap_monitor_t;
 
 void heap_init(void *base);