kheap info

src/mem/kheap.c

@@ -157,4 +157,33 @@ void* kalloc_stack()
 {
     uint8_t* ptr = kmalloc(PROCESS_STACK_SIZE); // As it's out of kmalloc, stack is already mapped into kernel space
     return ptr ? ptr+PROCESS_STACK_SIZE : NULL;
+}
+
+/*
+ * kheap_info - Display heap info
+ *
+ * This function writes the size of the heap (total),
+ * the number of allocated bytes, and the number of
+ * free bytes to the standard output.
+ */
+void kheap_info()
+{
+    uint64_t free_bytes = 0;
+    struct heap_block_t* curr = (struct heap_block_t*)kheap_start;
+
+    while (curr) {
+        if (curr->free == true) {
+            free_bytes += curr->size;
+        }
+        curr = curr->next;
+    }
+
+    uint64_t total = end-kheap_start;
+
+    printf("total=% 8u bytes (%u kB)\r\n"
+                "alloc=% 8u bytes (%u kB)\r\n"
+                " free=% 8u bytes (%u kB)\r\n",
+                total, (total)/1000,
+                total-free_bytes, (total-free_bytes)/1000,
+                free_bytes, free_bytes/1000);
 }