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-rw-r--r--hidl_trace_recorder/HidlTraceRecorder.py67
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diff --git a/hidl_trace_recorder/HidlTraceRecorder.py b/hidl_trace_recorder/HidlTraceRecorder.py
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--- a/hidl_trace_recorder/HidlTraceRecorder.py
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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()