106 lines
3.4 KiB
Python
Executable file
106 lines
3.4 KiB
Python
Executable file
#!/usr/bin/env python3
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from stats_accu import StatsAccumulator
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import gather_stats
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import argparse
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import sys
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class Config:
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def __init__(self):
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args = self.parse_args()
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self._cores = args.cores
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self.feature = args.feature
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if args.feature == 'gather':
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self.output = args.output
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elif args.feature == 'sample':
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self.size = int(args.size)
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self.output = args.output
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elif args.feature == 'analyze':
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self.data_file = args.data_file
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@property
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def cores(self):
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if self._cores <= 0:
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return None
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return self._cores
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def parse_args(self):
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parser = argparse.ArgumentParser(
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description="Gather statistics about system-related ELFs")
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parser.add_argument('--cores', '-j', default=1, type=int,
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help=("Use N cores for processing. Defaults to "
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"1. 0 to use up all cores."))
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subparsers = parser.add_subparsers(help='Subcommands')
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# Sample stats
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parser_sample = subparsers.add_parser(
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'sample',
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help='Same as gather, but for a random subset of files')
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parser_sample.set_defaults(feature='sample')
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parser_sample.add_argument('--size', '-n',
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default=1000,
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help=('Pick this number of files'))
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parser_sample.add_argument('--output', '-o',
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default='elf_data',
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help=('Output data to this file. Defaults '
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'to "elf_data"'))
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# Gather stats
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parser_gather = subparsers.add_parser(
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'gather',
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help=('Gather system data into a file, to allow multiple '
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'analyses without re-scanning the whole system.'))
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parser_gather.set_defaults(feature='gather')
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parser_gather.add_argument('--output', '-o',
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default='elf_data',
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help=('Output data to this file. Defaults '
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'to "elf_data"'))
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# Analyze stats
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parser_analyze = subparsers.add_parser(
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'analyze',
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help='Analyze data gathered by a previous run.')
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parser_analyze.set_defaults(feature='analyze')
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parser_analyze.add_argument('data_file',
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default='elf_data',
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help=('Analyze this data file. Defaults '
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'to "elf_data".'))
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# TODO histogram?
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out = parser.parse_args()
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if 'feature' not in out:
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print("No subcommand specified.", file=sys.stderr)
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parser.print_usage(file=sys.stderr)
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sys.exit(1)
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return out
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def main():
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config = Config()
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if config.feature == 'gather':
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stats_accu = gather_stats.gather_system_files(config)
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stats_accu.dump(config.output)
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elif config.feature == 'sample':
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stats_accu = gather_stats.gather_system_files(
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config,
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sample_size=config.size)
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stats_accu.dump(config.output)
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elif config.feature == 'analyze':
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print("Not implemented", file=sys.stderr)
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stats_accu = StatsAccumulator.load(config.data_file)
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sys.exit(1)
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if __name__ == '__main__':
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main()
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