diff --git a/mindspore/profiler/parser/integrator.py b/mindspore/profiler/parser/integrator.py
index 02f0b71901..584ba3181a 100644
--- a/mindspore/profiler/parser/integrator.py
+++ b/mindspore/profiler/parser/integrator.py
@@ -490,8 +490,6 @@ class BaseTimelineGenerator:
     __col_names__ = ['op_name', 'stream_id', 'start_time', 'duration']
     _output_timeline_data_file_path = 'output_timeline_data_{}.txt'
     _min_cycle_counter_file_path = 'min_cycle_counter_{}.txt'
-    _display_filename = 'timeline_display_{}.json'
-    _timeline_summary_filename = 'timeline_summary_{}.json'
     _timeline_meta = []
     _timeline_summary = {
         'total_time': 0,
@@ -680,7 +678,7 @@ class GpuTimelineGenerator(BaseTimelineGenerator):
             timeline_dict['args'] = args_dict
         else:
             # Update total time of operator execution.
-            self._timeline_summary['total_time'] += dur
+            self._timeline_summary['total_time'] += dur / factor
             self._timeline_summary['op_exe_times'] += 1
 
         self._timeline_meta.append(timeline_dict)
@@ -770,6 +768,8 @@ class GpuTimelineGenerator(BaseTimelineGenerator):
 
 class AscendTimelineGenerator(BaseTimelineGenerator):
     """Generate ascend Timeline data from file."""
+    _display_filename = 'ascend_timeline_display_{}.json'
+    _timeline_summary_filename = 'ascend_timeline_summary_{}.json'
 
     def _load_timeline_data(self):
         """Load timeline data from file."""
diff --git a/mindspore/profiler/profiling.py b/mindspore/profiler/profiling.py
index 4ad267f15e..8e7bcc299a 100644
--- a/mindspore/profiler/profiling.py
+++ b/mindspore/profiler/profiling.py
@@ -286,10 +286,18 @@ class Profiler:
         """Used for gpu, generate timeline info, write to json format file."""
         try:
             size_limit = 100 * 1024 * 1024  # 100MB
-            timeline_generator = GpuTimelineGenerator(self._output_path, self._dev_id)
-            timeline_generator.init_timeline()
-            timeline_generator.write_timeline(size_limit)
-            timeline_generator.write_timeline_summary()
+            #stastic the number of dev_id
+            file_list = os.listdir(self._output_path)
+            dev_id_list = []
+            for file_name in file_list:
+                if file_name.startswith('gpu_op_detail'):
+                    _dev_id = file_name.split('.')[0].split('_')[-1]
+                    dev_id_list.append(_dev_id)
+            for dev_id in dev_id_list:
+                timeline_generator = GpuTimelineGenerator(self._output_path, dev_id)
+                timeline_generator.init_timeline()
+                timeline_generator.write_timeline(size_limit)
+                timeline_generator.write_timeline_summary()
         except (ProfilerIOException, ProfilerFileNotFoundException, RuntimeError) as err:
             logger.warning('Fail to write timeline data: %s', err)
             raise RuntimeError('Fail to write timeline data.')