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#!/usr/bin/env python
#
# Copyright (C) 2016 The Android Open Source Project
#
# 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.
#
import datetime
import logging
import os
from vts.runners.host import asserts
from vts.runners.host import test_runner
from vts.testcases.template.cts_test import cts_test
class HidlTraceRecorder(cts_test.CtsTest):
"""A HIDL HAL API trace recorder.
This class uses an apk which is packaged as part of VTS. It uses to test the
VTS TF's instrumentation preparer and post-processing modules. Those two
Java TF-side modules are cherry-picked to CTS to collect HIDL traces while
running various CTS test cases without having to package them as part of
VTS.
"""
REMOTE_PROFILINT_TRACE_PATH = "/google/data/rw/teams/android-vts/cts-traces"
def RunTestCase(self, test_case):
'''Runs a test_case.
Args:
test_case: a cts test config.
'''
# before running the cts test module enable profiling.
self.profiling.EnableVTSProfiling(
self.dut.shell.one, hal_instrumentation_lib_path="")
self.dut.stop() # stop framework
self.dut.start() # start framework
profiling_trace_path = os.path.join(
self.REMOTE_PROFILINT_TRACE_PATH,
datetime.datetime.now().strftime("%Y%m%d"),
self.GetTestName(test_case))
if not os.path.exists(profiling_trace_path):
os.makedirs(profiling_trace_path)
logging.info("Run %s", self.GetTestName(test_case))
self.dut.adb.shell("am instrument -w -r %s/%s" % (test_case["package"],
test_case["runner"]))
# after running the cts test module, copy trace files and disable profiling.
self.profiling.GetTraceFiles(self.dut, profiling_trace_path)
self.profiling.DisableVTSProfiling(self.dut.shell.one)
if __name__ == "__main__":
test_runner.main()
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