diff --git a/nemu/src/memory/paddr.c b/nemu/src/memory/paddr.c
index 52fddee..a72d95f 100644
--- a/nemu/src/memory/paddr.c
+++ b/nemu/src/memory/paddr.c
@@ -14,6 +14,7 @@
 ***************************************************************************************/
 
 #include "common.h"
+#include "debug.h"
 #include <memory/host.h>
 #include <memory/paddr.h>
 #include <device/mmio.h>
@@ -75,6 +76,11 @@ void init_mem() {
     ptr = strtok_r(NULL, ",", &saveptr);
     if (!ptr) break;
   }
+  Log("MTRACE ranges: ");
+  for (int i = 0; i < range_count; i++) {
+    printf("[0x%x, 0x%x], ", mtrace_start[i], mtrace_end[i]);
+  }
+  puts("");
 #endif
   IFDEF(CONFIG_MEM_RANDOM, memset(pmem, rand(), CONFIG_MSIZE));
   Log("physical memory area [" FMT_PADDR ", " FMT_PADDR "]", PMEM_LEFT, PMEM_RIGHT);