diff --git a/paddleapex/api_tracer/Tracer.py b/paddleapex/api_tracer/Tracer.py
index 9efe197..4570726 100644
--- a/paddleapex/api_tracer/Tracer.py
+++ b/paddleapex/api_tracer/Tracer.py
@@ -16,6 +16,7 @@
 from paddleapex.api_tracer.Dump import dump_util
 from paddleapex.api_tracer.wrap_op.hijack_tool import hijack_api
 from paddleapex.api_tracer.config import cfg
+from paddleapex.apex.utils import print_info_log
 
 
 class Tracer:
@@ -32,3 +33,19 @@ def start(self):
     def stop(self):
         if cfg.dump_state:
             dump_util.dump()
+    
+    def start_in_training(self, cur_step, acc):
+        self.acc = acc
+        self.global_step = cur_step // acc
+        self.inner_step = cur_step % acc
+        if self.inner_step == 0:
+            dump_signal = cfg.new_step_in_training(self.global_step)
+            if dump_signal:
+                print_info_log(f"Starting tracing step:{self.global_step}")
+
+    def stop_in_training(self):
+        if self.inner_step == self.acc - 1:
+            dump_signal = cfg.reset_step_in_training(self.global_step)
+            if dump_signal:
+                print_info_log(f"Stopping tracing step:{self.global_step}")
+                dump_util.dump()
\ No newline at end of file
diff --git a/paddleapex/api_tracer/config.py b/paddleapex/api_tracer/config.py
index 6c40c73..8f0e5ef 100644
--- a/paddleapex/api_tracer/config.py
+++ b/paddleapex/api_tracer/config.py
@@ -53,6 +53,20 @@ def new_step(self):
         else:
             self.Op_count = {}
             self.dump_state = False
+    
+    def new_step_in_training(self, global_step):
+        if global_step in self.target_step:
+            self.Op_count = {}
+            self.dump_state = True
+            return True
+        return False
+
+    def reset_step_in_training(self, global_step):
+        if global_step in self.target_step:
+            self.global_step = global_step
+            self.dump_state = False
+            return True
+        return False
 
 
 cfg = Config()