65 lines
2.2 KiB
Python
65 lines
2.2 KiB
Python
#!/usr/bin/env python3
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# Copyright 2022, The Android Open Source Project
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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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"""Script of Atest Profiler."""
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import argparse
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import os
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import shutil
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import subprocess
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import sys
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import tempfile
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import zipfile
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# This is mostly a copy of Soong's stub_template_host.txt, but with changes to
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# run soong python executables via a profiler tool. This is just a hack, soong
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# should really have the ability to build profiled binaries directly.
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def main():
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"""Main method that runs python profilers."""
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parser = argparse.ArgumentParser(
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description='Runs a soong-built python binary under a profiler.')
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parser.add_argument('profiler', choices = ["pyinstrument", "cProfile"],
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help='The profiler to use')
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parser.add_argument('profile_file', help="The output file of the profiler")
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parser.add_argument(
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'executable',
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help="The soong-built python binary (with embedded_launcher: false)")
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args, args_for_executable = parser.parse_known_args()
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if not os.path.isfile(args.executable):
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sys.exit(f"{args.executable}: File not found")
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os.makedirs(os.path.dirname(args.profile_file), exist_ok=True)
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runfiles_path = tempfile.mkdtemp(prefix="Soong.python_")
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try:
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_zf = zipfile.ZipFile(args.executable)
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_zf.extractall(runfiles_path)
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_zf.close()
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sys.exit(subprocess.call([
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"python3",
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"-m", args.profiler,
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"-o", args.profile_file,
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os.path.join(runfiles_path,
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"__soong_entrypoint_redirector__.py")
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] + args_for_executable, close_fds=False))
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finally:
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shutil.rmtree(runfiles_path, ignore_errors=True)
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if __name__ == '__main__':
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main()
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