104 lines
3.8 KiB
Python
Executable File
104 lines
3.8 KiB
Python
Executable File
#!/usr/bin/env python3
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#
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# Copyright (C) 2016 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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#
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"""report_sample.py: report samples in the same format as `perf script`.
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"""
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from simpleperf_report_lib import ReportLib
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from simpleperf_utils import BaseArgumentParser, flatten_arg_list, ReportLibOptions
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from typing import List, Set, Optional
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def report_sample(
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record_file: str,
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symfs_dir: str,
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kallsyms_file: str,
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show_tracing_data: bool,
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header: bool,
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report_lib_options: ReportLibOptions):
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""" read record_file, and print each sample"""
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lib = ReportLib()
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lib.ShowIpForUnknownSymbol()
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if symfs_dir is not None:
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lib.SetSymfs(symfs_dir)
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if record_file is not None:
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lib.SetRecordFile(record_file)
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if kallsyms_file is not None:
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lib.SetKallsymsFile(kallsyms_file)
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lib.SetReportOptions(report_lib_options)
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if header:
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print("# ========")
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print("# cmdline : %s" % lib.GetRecordCmd())
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print("# arch : %s" % lib.GetArch())
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for k, v in lib.MetaInfo().items():
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print('# %s : %s' % (k, v.replace('\n', ' ')))
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print("# ========")
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print("#")
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while True:
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sample = lib.GetNextSample()
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if sample is None:
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lib.Close()
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break
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event = lib.GetEventOfCurrentSample()
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symbol = lib.GetSymbolOfCurrentSample()
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callchain = lib.GetCallChainOfCurrentSample()
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sec = sample.time // 1000000000
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usec = (sample.time - sec * 1000000000) // 1000
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print('%s\t%d/%d [%03d] %d.%06d: %d %s:' % (sample.thread_comm,
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sample.pid, sample.tid, sample.cpu, sec,
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usec, sample.period, event.name))
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print('\t%16x %s (%s)' % (sample.ip, symbol.symbol_name, symbol.dso_name))
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for i in range(callchain.nr):
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entry = callchain.entries[i]
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print('\t%16x %s (%s)' % (entry.ip, entry.symbol.symbol_name, entry.symbol.dso_name))
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if show_tracing_data:
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data = lib.GetTracingDataOfCurrentSample()
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if data:
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print('\ttracing data:')
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for key, value in data.items():
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print('\t\t%s : %s' % (key, value))
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print('')
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def main():
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parser = BaseArgumentParser(description='Report samples in perf.data.')
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parser.add_argument('--symfs',
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help='Set the path to find binaries with symbols and debug info.')
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parser.add_argument('--kallsyms', help='Set the path to find kernel symbols.')
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parser.add_argument('-i', '--record_file', nargs='?', default='perf.data',
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help='Default is perf.data.')
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parser.add_argument('--show_tracing_data', action='store_true', help='print tracing data.')
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parser.add_argument('--header', action='store_true',
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help='Show metadata header, like perf script --header')
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parser.add_report_lib_options()
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args = parser.parse_args()
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report_sample(
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record_file=args.record_file,
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symfs_dir=args.symfs,
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kallsyms_file=args.kallsyms,
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show_tracing_data=args.show_tracing_data,
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header=args.header,
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report_lib_options=args.report_lib_options)
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if __name__ == '__main__':
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main()
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