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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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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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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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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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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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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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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@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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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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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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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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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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