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| 1 # Copyright 2014 The Chromium Authors. All rights reserved. | 1 # Copyright 2014 The Chromium Authors. All rights reserved. | 
| 2 # Use of this source code is governed by a BSD-style license that can be | 2 # Use of this source code is governed by a BSD-style license that can be | 
| 3 # found in the LICENSE file. | 3 # found in the LICENSE file. | 
| 4 | 4 | 
| 5 import os | 5 import os | 
| 6 import json | 6 import json | 
| 7 | 7 | 
| 8 from chrome_profiler import controllers_unittest | 8 from chrome_profiler import controllers_unittest | 
| 9 from chrome_profiler import perf_controller | 9 from chrome_profiler import perf_controller | 
| 10 | 10 | 
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| 29       controller.StartTracing(interval) | 29       controller.StartTracing(interval) | 
| 30     finally: | 30     finally: | 
| 31       controller.StopTracing() | 31       controller.StopTracing() | 
| 32 | 32 | 
| 33     result = controller.PullTrace() | 33     result = controller.PullTrace() | 
| 34     try: | 34     try: | 
| 35       with open(result) as f: | 35       with open(result) as f: | 
| 36         json.loads(f.read()) | 36         json.loads(f.read()) | 
| 37     finally: | 37     finally: | 
| 38       os.remove(result) | 38       os.remove(result) | 
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