105 lines
		
	
	
		
			3.7 KiB
		
	
	
	
		
			Python
		
	
	
	
			
		
		
	
	
			105 lines
		
	
	
		
			3.7 KiB
		
	
	
	
		
			Python
		
	
	
	
| # Copyright 2017 The Chromium Authors. All rights reserved.
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| # Use of this source code is governed by a BSD-style license that can be
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| # found in the LICENSE file.
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| 
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| """
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| A test which monitors the camera HAL3 performance metrics:
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|     1. Time to open device
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|     2. Time to start preview
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|     3. Time to capture still image
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|     4. Shot to shot time
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| """
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| 
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| import os, logging
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| from autotest_lib.client.bin import test, utils
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| from autotest_lib.client.common_lib import error
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| from autotest_lib.client.cros import service_stopper
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| from autotest_lib.client.cros.camera import camera_utils
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| 
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| 
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| class camera_HAL3Perf(test.test):
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|     """
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|     This test monitors several performance metrics reported by the test binary
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|     cros_camera_test.
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|     """
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| 
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|     version = 1
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|     test_binary = 'cros_camera_test'
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|     dep = 'camera_hal3'
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|     timeout = 60
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|     test_name = 'camera_HAL3Perf'
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|     test_log_suffix = 'test.log'
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|     cros_camera_service = 'cros-camera'
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| 
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|     def _logperf(self, name, key, value, units, higher_is_better=False):
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|         description = '%s.%s' % (name, key)
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|         self.output_perf_value(
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|             description=description,
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|             value=value,
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|             units=units,
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|             higher_is_better=higher_is_better)
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| 
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|     def _analyze_log(self, log_file):
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|         """
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|         Analyzes the performance metrics extracted from the log file.
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| 
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|         @param log_file: path of the log file. Sample lines of the log file are
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|             as below.
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|             Camera: front
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|             device_open: 5020 us
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|             preview_start: 353285 us
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|             still_image_capture: 308166 us
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|         """
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|         try:
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|             with open(log_file, 'r') as f:
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|                 camera_id = None
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|                 for line in f:
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|                     key, value = line.split(':')
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|                     if key == 'Camera':
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|                         camera_id = value.strip()
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|                     elif camera_id is not None:
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|                         self._logperf(self.test_name,
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|                                       'camera_%s_%s' % (camera_id, key),
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|                                       value.strip().split(' ')[0],
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|                                       value.strip().split(' ')[1])
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|                     else:
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|                         msg = 'Error in parsing the log file (%s)' % log_file
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|                         raise error.TestFail(msg)
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|         except IOError, err:
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|             msg = 'Error in reading the log file (%s): %s' % (log_file, err)
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|             raise error.TestFail(msg)
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| 
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|     def setup(self):
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|         """
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|         Run common setup steps.
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|         """
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|         self.dep_dir = os.path.join(self.autodir, 'deps', self.dep)
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|         self.job.setup_dep([self.dep])
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|         logging.debug('mydep is at %s', self.dep_dir)
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| 
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|     def run_once(self):
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|         """
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|         Entry point of this test.
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|         """
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|         self.job.install_pkg(self.dep, 'dep', self.dep_dir)
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|         binary_path = os.path.join(self.dep_dir, 'bin', self.test_binary)
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|         test_log_file = os.path.join(self.resultsdir, '%s_%s' %
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|                                      (self.test_name, self.test_log_suffix))
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| 
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|         with service_stopper.ServiceStopper([self.cros_camera_service]):
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|             for hal in camera_utils.get_camera_hal_paths_for_test():
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|                 cmd = [
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|                     binary_path,
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|                     '--camera_hal_path=%s' % hal,
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|                     ('--gtest_filter=Camera3StillCaptureTest/'
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|                      'Camera3SimpleStillCaptureTest.PerformanceTest/*'),
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|                     '--output_log=%s' % test_log_file
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|                 ]
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|                 cmd = ' '.join(map(utils.sh_quote_word, cmd))
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| 
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|                 ret = utils.system(
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|                     cmd, timeout=self.timeout, ignore_status=True)
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|                 self._analyze_log(test_log_file)
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|                 if ret != 0:
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|                     raise error.TestFail('Failed to execute command: %s' % cmd)
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