70 lines
2.2 KiB
Python
70 lines
2.2 KiB
Python
#!/usr/bin/env python3
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# Copyright (C) 2020 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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import argparse
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from perfetto.trace_processor import TraceProcessor, TraceProcessorConfig
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def main():
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# Parse arguments passed from command line
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parser = argparse.ArgumentParser()
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parser.add_argument(
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"-a",
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"--address",
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help="Address at which trace_processor is being run, e.g. localhost:9001",
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type=str)
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parser.add_argument(
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"-b",
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"--binary",
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help="Absolute path to a trace processor binary",
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type=str)
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parser.add_argument("-f", "--file", help="Absolute path to trace", type=str)
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args = parser.parse_args()
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config = TraceProcessorConfig(bin_path=args.binary)
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# Pass arguments into api to construct the trace processor and load the trace
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if args.address is None and args.file is None:
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raise Exception("You must specify an address or a file path to trace")
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elif args.address is None:
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tp = TraceProcessor(trace=args.file, config=config)
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elif args.file is None:
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tp = TraceProcessor(addr=args.address, config=config)
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else:
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tp = TraceProcessor(trace=args.file, addr=args.address, config=config)
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# Iterate through QueryResultIterator
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res_it = tp.query('select * from slice limit 10')
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for row in res_it:
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print(row.name)
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# Convert QueryResultIterator into a pandas dataframe + iterate. This yields
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# the same results as the function above.
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try:
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res_df = tp.query('select * from slice limit 10').as_pandas_dataframe()
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for index, row in res_df.iterrows():
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print(row['name'])
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except Exception:
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pass
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# Call another function on the loaded trace
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am_metrics = tp.metric(['android_mem'])
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tp.close()
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if __name__ == "__main__":
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main()
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