Merge pull request #388 from setrofim/next

Add idle workload

wa/framework/execution.py

@@ -253,7 +253,7 @@ class Executor(object):
                                        config.run_config.device_config)
         output.write_target_info(self.target_manager.get_target_info())
 
-        self.logger.info('Initializing execution conetext')
+        self.logger.info('Initializing execution context')
         context = ExecutionContext(config_manager, self.target_manager, output)
 
         self.logger.info('Generating jobs')

wa/workloads/idle.py

@@ -0,0 +1,91 @@
+#    Copyright 2014-2015 ARM Limited
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+# pylint: disable=E1101
+
+from wa import Workload, Parameter, WorkloadError, ConfigError
+
+
+class IdleWorkload(Workload):
+
+    name = 'idle'
+    description = """
+    Do nothing for the specified duration.
+
+    On android devices, this may optionally stop the Android run time, if
+    ``stop_android`` is set to ``True``.
+
+    .. note:: This workload requires the device to be rooted.
+
+    """
+
+    parameters = [
+        Parameter('duration', kind=int, default=20,
+                  description='''
+                  Specifies the duration, in seconds, of this workload.
+                  '''),
+        Parameter('screen_off', kind=bool, default=False,
+                  description='''
+                  Ensure that the screen is off before idling.
+
+                  .. note:: Make sure screen lock is disabled on the target!
+
+                  '''),
+        Parameter('stop_android', kind=bool, default=False,
+                  description='''
+                  Specifies whether the Android run time should be stopped.
+                  (Can be set only for Android devices).
+                  '''),
+    ]
+
+    def initialize(self, context):
+        self.old_screen_state = None
+        if self.target.os == 'android':
+            if self.stop_android and not self.target.is_rooted:
+                msg = 'Idle workload requires the device to be rooted in order to stop Android.'
+                raise WorkloadError(msg)
+        else:
+            if self.stop_android or self.screen_off:
+                msg = 'stop_android/screen_off can only be set for Android devices'
+                raise ConfigError(msg)
+
+    def setup(self, context):
+        if self.target.os == 'android':
+            if self.screen_off:
+                self.old_screen_state = self.target.is_screen_on()
+            self.target.ensure_screen_is_on()
+            self.target.homescreen()
+            if self.screen_off:
+                self.target.ensure_screen_is_off()
+
+    def run(self, context):
+        self.logger.debug('idling...')
+        if self.stop_android:
+            timeout = self.duration + 10
+            self.target.execute('stop && sleep {} && start'.format(self.duration),
+                                timeout=timeout, as_root=True)
+        else:
+            self.target.sleep(self.duration)
+
+    def teardown(self, context):
+        if self.stop_android:
+            self.logger.debug('Waiting for Android restart to complete...')
+            # Wait for the boot animation to start and then to finish.
+            while self.target.getprop('init.svc.bootanim') == 'stopped':
+                self.target.sleep(0.2)
+            while self.target.getprop('init.svc.bootanim') == 'running':
+                self.target.sleep(1)
+        if self.screen_off and self.old_screen_state:
+            self.target.ensure_screen_is_on()