mirror of
https://github.com/ARM-software/workload-automation.git
synced 2024-10-06 19:01:15 +01:00
81 lines
2.6 KiB
Python
81 lines
2.6 KiB
Python
# Copyright 2015 ARM Limited
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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# pylint: disable=unused-argument
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import time
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import threading
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from wlauto import Instrument, Parameter
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from wlauto.exceptions import InstrumentError
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class ScreenMonitor(threading.Thread):
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def __init__(self, device, polling_period):
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super(ScreenMonitor, self).__init__()
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self.device = device
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self.polling_period = polling_period
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self.stop_event = threading.Event()
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def run(self):
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last_poll = time.time()
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while not self.stop_event.is_set():
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time.sleep(1)
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if (time.time() - last_poll) >= self.polling_period:
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self.device.ensure_screen_is_on()
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last_poll = time.time()
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def stop(self):
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self.stop_event.set()
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self.join()
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class ScreenOnInstrument(Instrument):
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# pylint: disable=attribute-defined-outside-init
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name = 'screenon'
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description = """
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Ensure screen is on before each iteration on Android devices.
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A very basic instrument that checks that the screen is on on android devices. Optionally,
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it call poll the device periodically to ensure that the screen is still on.
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"""
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parameters = [
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Parameter('polling_period', kind=int,
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description="""
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Set this to a non-zero value to enable periodic (every
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``polling_period`` seconds) polling of the screen on
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the device to ensure it is on during a run.
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"""),
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]
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def initialize(self, context):
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self.monitor = None
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if self.device.platform != 'android':
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raise InstrumentError('screenon instrument currently only supports Android devices.')
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def slow_setup(self, context): # slow to run before most other setups
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self.device.ensure_screen_is_on()
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if self.polling_period:
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self.monitor = ScreenMonitor(self.device, self.polling_period)
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self.monitor.start()
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def teardown(self, context):
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if self.polling_period:
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self.monitor.stop()
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