82 lines
2.4 KiB
Python
82 lines
2.4 KiB
Python
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# Copyright (c) 2012 The Chromium Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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"""The Deep Memory Profiler analyzer script.
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See http://dev.chromium.org/developers/deep-memory-profiler for details.
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"""
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import logging
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import sys
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from lib.exceptions import ParsingException
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import subcommands
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LOGGER = logging.getLogger('dmprof')
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def main():
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COMMANDS = {
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'buckets': subcommands.BucketsCommand,
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'cat': subcommands.CatCommand,
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'csv': subcommands.CSVCommand,
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'expand': subcommands.ExpandCommand,
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'json': subcommands.JSONCommand,
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'list': subcommands.ListCommand,
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'map': subcommands.MapCommand,
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'pprof': subcommands.PProfCommand,
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'stacktrace': subcommands.StacktraceCommand,
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'upload': subcommands.UploadCommand,
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}
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if len(sys.argv) < 2 or (not sys.argv[1] in COMMANDS):
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sys.stderr.write("""Usage: dmprof <command> [options] [<args>]
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Commands:
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buckets Dump a bucket list with resolving symbols
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cat Categorize memory usage (under development)
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csv Classify memory usage in CSV
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expand Show all stacktraces contained in the specified component
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json Classify memory usage in JSON
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list Classify memory usage in simple listing format
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map Show history of mapped regions
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pprof Format the profile dump so that it can be processed by pprof
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stacktrace Convert runtime addresses to symbol names
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upload Upload dumped files
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Quick Reference:
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dmprof buckets <first-dump>
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dmprof cat <first-dump>
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dmprof csv [-p POLICY] <first-dump>
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dmprof expand <dump> <policy> <component> <depth>
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dmprof json [-p POLICY] <first-dump>
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dmprof list [-p POLICY] <first-dump>
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dmprof map <first-dump> <policy>
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dmprof pprof [-c COMPONENT] <dump> <policy>
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dmprof stacktrace <dump>
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dmprof upload [--gsutil path/to/gsutil] <first-dump> <destination-gs-path>
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""")
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sys.exit(1)
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action = sys.argv.pop(1)
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LOGGER.setLevel(logging.DEBUG)
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handler = logging.StreamHandler()
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handler.setLevel(logging.INFO)
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formatter = logging.Formatter('%(message)s')
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handler.setFormatter(formatter)
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LOGGER.addHandler(handler)
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try:
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errorcode = COMMANDS[action]().do(sys.argv)
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except ParsingException, e:
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errorcode = 1
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sys.stderr.write('Exit by parsing error: %s\n' % e)
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return errorcode
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if __name__ == '__main__':
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sys.exit(main())
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