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285 lines
9.2 KiB
Python
Executable File
285 lines
9.2 KiB
Python
Executable File
#!/usr/bin/env python
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#
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# Copyright 2013 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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#
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# Find the most recent tombstone file(s) on all connected devices
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# and prints their stacks.
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#
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# Assumes tombstone file was created with current symbols.
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import argparse
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import datetime
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import logging
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import os
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import sys
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from multiprocessing.pool import ThreadPool
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import devil_chromium
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from devil.android import device_blacklist
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from devil.android import device_errors
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from devil.android import device_utils
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from devil.utils import run_tests_helper
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from pylib import constants
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from pylib.symbols import stack_symbolizer
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_TZ_UTC = {'TZ': 'UTC'}
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def _ListTombstones(device):
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"""List the tombstone files on the device.
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Args:
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device: An instance of DeviceUtils.
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Yields:
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Tuples of (tombstone filename, date time of file on device).
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"""
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try:
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if not device.PathExists('/data/tombstones', as_root=True):
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return
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entries = device.StatDirectory('/data/tombstones', as_root=True)
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for entry in entries:
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if 'tombstone' in entry['filename']:
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yield (entry['filename'],
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datetime.datetime.fromtimestamp(entry['st_mtime']))
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except device_errors.CommandFailedError:
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logging.exception('Could not retrieve tombstones.')
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except device_errors.DeviceUnreachableError:
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logging.exception('Device unreachable retrieving tombstones.')
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except device_errors.CommandTimeoutError:
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logging.exception('Timed out retrieving tombstones.')
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def _GetDeviceDateTime(device):
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"""Determine the date time on the device.
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Args:
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device: An instance of DeviceUtils.
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Returns:
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A datetime instance.
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"""
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device_now_string = device.RunShellCommand(
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['date'], check_return=True, env=_TZ_UTC)
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return datetime.datetime.strptime(
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device_now_string[0], '%a %b %d %H:%M:%S %Z %Y')
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def _GetTombstoneData(device, tombstone_file):
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"""Retrieve the tombstone data from the device
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Args:
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device: An instance of DeviceUtils.
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tombstone_file: the tombstone to retrieve
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Returns:
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A list of lines
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"""
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return device.ReadFile(
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'/data/tombstones/' + tombstone_file, as_root=True).splitlines()
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def _EraseTombstone(device, tombstone_file):
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"""Deletes a tombstone from the device.
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Args:
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device: An instance of DeviceUtils.
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tombstone_file: the tombstone to delete.
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"""
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return device.RunShellCommand(
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['rm', '/data/tombstones/' + tombstone_file],
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as_root=True, check_return=True)
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def _ResolveTombstone(args):
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tombstone = args[0]
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tombstone_symbolizer = args[1]
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lines = []
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lines += [tombstone['file'] + ' created on ' + str(tombstone['time']) +
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', about this long ago: ' +
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(str(tombstone['device_now'] - tombstone['time']) +
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' Device: ' + tombstone['serial'])]
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logging.info('\n'.join(lines))
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logging.info('Resolving...')
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lines += tombstone_symbolizer.ExtractAndResolveNativeStackTraces(
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tombstone['data'],
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tombstone['device_abi'],
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tombstone['stack'])
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return lines
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def _ResolveTombstones(jobs, tombstones, tombstone_symbolizer):
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"""Resolve a list of tombstones.
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Args:
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jobs: the number of jobs to use with multithread.
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tombstones: a list of tombstones.
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"""
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if not tombstones:
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logging.warning('No tombstones to resolve.')
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return []
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tombstone_symbolizer.UnzipAPKIfNecessary()
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if len(tombstones) == 1:
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data = [_ResolveTombstone([tombstones[0], tombstone_symbolizer])]
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else:
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pool = ThreadPool(jobs)
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data = pool.map(
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_ResolveTombstone,
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[[tombstone, tombstone_symbolizer] for tombstone in tombstones])
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resolved_tombstones = []
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for tombstone in data:
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resolved_tombstones.extend(tombstone)
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return resolved_tombstones
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def _GetTombstonesForDevice(device, resolve_all_tombstones,
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include_stack_symbols,
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wipe_tombstones):
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"""Returns a list of tombstones on a given device.
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Args:
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device: An instance of DeviceUtils.
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resolve_all_tombstone: Whether to resolve every tombstone.
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include_stack_symbols: Whether to include symbols for stack data.
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wipe_tombstones: Whether to wipe tombstones.
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"""
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ret = []
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all_tombstones = list(_ListTombstones(device))
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if not all_tombstones:
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logging.warning('No tombstones.')
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return ret
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# Sort the tombstones in date order, descending
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all_tombstones.sort(cmp=lambda a, b: cmp(b[1], a[1]))
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# Only resolve the most recent unless --all-tombstones given.
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tombstones = all_tombstones if resolve_all_tombstones else [all_tombstones[0]]
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device_now = _GetDeviceDateTime(device)
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try:
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for tombstone_file, tombstone_time in tombstones:
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ret += [{'serial': str(device),
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'device_abi': device.product_cpu_abi,
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'device_now': device_now,
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'time': tombstone_time,
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'file': tombstone_file,
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'stack': include_stack_symbols,
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'data': _GetTombstoneData(device, tombstone_file)}]
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except device_errors.CommandFailedError:
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for entry in device.StatDirectory(
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'/data/tombstones', as_root=True, timeout=60):
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logging.info('%s: %s', str(device), entry)
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raise
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# Erase all the tombstones if desired.
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if wipe_tombstones:
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for tombstone_file, _ in all_tombstones:
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_EraseTombstone(device, tombstone_file)
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return ret
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def ClearAllTombstones(device):
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"""Clear all tombstones in the device.
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Args:
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device: An instance of DeviceUtils.
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"""
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all_tombstones = list(_ListTombstones(device))
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if not all_tombstones:
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logging.warning('No tombstones to clear.')
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for tombstone_file, _ in all_tombstones:
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_EraseTombstone(device, tombstone_file)
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def ResolveTombstones(device, resolve_all_tombstones, include_stack_symbols,
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wipe_tombstones, jobs=4,
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apk_under_test=None, enable_relocation_packing=None,
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tombstone_symbolizer=None):
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"""Resolve tombstones in the device.
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Args:
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device: An instance of DeviceUtils.
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resolve_all_tombstone: Whether to resolve every tombstone.
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include_stack_symbols: Whether to include symbols for stack data.
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wipe_tombstones: Whether to wipe tombstones.
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jobs: Number of jobs to use when processing multiple crash stacks.
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Returns:
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A list of resolved tombstones.
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"""
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return _ResolveTombstones(jobs,
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_GetTombstonesForDevice(device,
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resolve_all_tombstones,
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include_stack_symbols,
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wipe_tombstones),
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(tombstone_symbolizer
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or stack_symbolizer.Symbolizer(
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apk_under_test,
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enable_relocation_packing)))
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def main():
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custom_handler = logging.StreamHandler(sys.stdout)
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custom_handler.setFormatter(run_tests_helper.CustomFormatter())
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logging.getLogger().addHandler(custom_handler)
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logging.getLogger().setLevel(logging.INFO)
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parser = argparse.ArgumentParser()
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parser.add_argument('--device',
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help='The serial number of the device. If not specified '
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'will use all devices.')
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parser.add_argument('--blacklist-file', help='Device blacklist JSON file.')
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parser.add_argument('-a', '--all-tombstones', action='store_true',
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help='Resolve symbols for all tombstones, rather than '
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'just the most recent.')
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parser.add_argument('-s', '--stack', action='store_true',
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help='Also include symbols for stack data')
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parser.add_argument('-w', '--wipe-tombstones', action='store_true',
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help='Erase all tombstones from device after processing')
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parser.add_argument('-j', '--jobs', type=int,
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default=4,
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help='Number of jobs to use when processing multiple '
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'crash stacks.')
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parser.add_argument('--output-directory',
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help='Path to the root build directory.')
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parser.add_argument('--adb-path', type=os.path.abspath,
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help='Path to the adb binary.')
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args = parser.parse_args()
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devil_chromium.Initialize(adb_path=args.adb_path)
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blacklist = (device_blacklist.Blacklist(args.blacklist_file)
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if args.blacklist_file
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else None)
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if args.output_directory:
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constants.SetOutputDirectory(args.output_directory)
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# Do an up-front test that the output directory is known.
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constants.CheckOutputDirectory()
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if args.device:
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devices = [device_utils.DeviceUtils(args.device)]
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else:
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devices = device_utils.DeviceUtils.HealthyDevices(blacklist)
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# This must be done serially because strptime can hit a race condition if
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# used for the first time in a multithreaded environment.
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# http://bugs.python.org/issue7980
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for device in devices:
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resolved_tombstones = ResolveTombstones(
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device, args.all_tombstones,
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args.stack, args.wipe_tombstones, args.jobs)
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for line in resolved_tombstones:
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logging.info(line)
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if __name__ == '__main__':
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sys.exit(main())
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