diff --git a/nemu/Kconfig b/nemu/Kconfig
index 9243aba..ac674f8 100644
--- a/nemu/Kconfig
+++ b/nemu/Kconfig
@@ -159,7 +159,7 @@ config ITRACE_BUFFER
 config MTRACE
   depends on TRACE && TARGET_NATIVE_ELF && ENGINE_INTERPRETER
   bool "Enable memory tracer"
-
+  default n
 
 config MTRACE_RANGE
   depends on MTRACE
@@ -174,6 +174,16 @@ config MTRACE_RANGE_MAX
   int "Max range count in MTRACE_RANGE"
   default 10
 
+config FTRACE
+  depends on TRACE && TARGET_NATIVE_ELF && ENGINE_INTERPRETER
+  bool "Enable function tracer"
+  default y
+
+config FTRACE_LOG
+  depends on FTRACE
+  bool "Print log when entering a funciton"
+  default n
+
 config DIFFTEST
   depends on TARGET_NATIVE_ELF
   bool "Enable differential testing"
diff --git a/nemu/src/utils/elf-parser.c b/nemu/src/utils/elf-parser.c
new file mode 100644
index 0000000..6b334b1
--- /dev/null
+++ b/nemu/src/utils/elf-parser.c
@@ -0,0 +1,4 @@
+#include <elf.h>
+
+#ifdef CONFIG_FTRACE
+#endif