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#!/usr/bin/env python
# Copyright 2013 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Run Manual Test Bisect Tool
An example usage:
tools/run-bisect-manual-test.py -g 201281 -b 201290
On Linux platform, follow the instructions in this document
https://code.google.com/p/chromium/wiki/LinuxSUIDSandboxDevelopment
to setup the sandbox manually before running the script. Otherwise the script
fails to launch Chrome and exits with an error.
"""
import os
import subprocess
import sys
CROS_BOARD_ENV = 'BISECT_CROS_BOARD'
CROS_IP_ENV = 'BISECT_CROS_IP'
_DIR_TOOLS_ROOT = os.path.abspath(os.path.dirname(__file__))
sys.path.append(os.path.join(_DIR_TOOLS_ROOT, 'telemetry'))
from telemetry.core import browser_options
def _RunBisectionScript(options):
"""Attempts to execute src/tools/bisect-perf-regression.py with the parameters
passed in.
Args:
options: The configuration options to pass to the bisect script.
Returns:
0 on success, otherwise 1.
"""
test_command = 'python %s --browser=%s --chrome-root=.' %\
(os.path.join(_DIR_TOOLS_ROOT, 'bisect-manual-test.py'),
options.browser_type)
cmd = ['python', os.path.join(_DIR_TOOLS_ROOT, 'bisect-perf-regression.py'),
'-c', test_command,
'-g', options.good_revision,
'-b', options.bad_revision,
'-m', 'manual_test/manual_test',
'-r', '1',
'--working_directory', options.working_directory,
'--build_preference', 'ninja',
'--use_goma',
'--no_custom_deps']
if 'cros' in options.browser_type:
cmd.extend(['--target_platform', 'cros'])
if os.environ[CROS_BOARD_ENV] and os.environ[CROS_IP_ENV]:
cmd.extend(['--cros_board', os.environ[CROS_BOARD_ENV]])
cmd.extend(['--cros_remote_ip', os.environ[CROS_IP_ENV]])
else:
print 'Error: Cros build selected, but BISECT_CROS_IP or'\
'BISECT_CROS_BOARD undefined.'
print
return 1
elif 'android' in options.browser_type:
cmd.extend(['--target_platform', 'android'])
cmd = [str(c) for c in cmd]
return_code = subprocess.call(cmd)
if return_code:
print 'Error: bisect-perf-regression.py returned with error %d' %\
return_code
print
return return_code
def main():
usage = ('%prog [options]\n'
'Used to run the bisection script with a manual test.')
options = browser_options.BrowserFinderOptions('release')
parser = options.CreateParser(usage)
parser.add_option('-b', '--bad_revision',
type='str',
help='A bad revision to start bisection. ' +
'Must be later than good revision. May be either a git' +
' or svn revision.')
parser.add_option('-g', '--good_revision',
type='str',
help='A revision to start bisection where performance' +
' test is known to pass. Must be earlier than the ' +
'bad revision. May be either a git or svn revision.')
parser.add_option('-w', '--working_directory',
type='str',
default='..',
help='A working directory to supply to the bisection '
'script, which will use it as the location to checkout '
'a copy of the chromium depot.')
options, args = parser.parse_args()
error_msg = ''
if not options.good_revision:
error_msg += 'Error: missing required parameter: --good_revision\n'
if not options.bad_revision:
error_msg += 'Error: missing required parameter: --bad_revision\n'
if error_msg:
print error_msg
parser.print_help()
return 1
if 'android' not in options.browser_type and sys.platform.startswith('linux'):
if not os.environ.get('CHROME_DEVEL_SANDBOX'):
print 'SUID sandbox has not been setup.'\
' See https://code.google.com/p/chromium/wiki/'\
'LinuxSUIDSandboxDevelopment for more information.'
return 1
return _RunBisectionScript(options)
if __name__ == '__main__':
sys.exit(main())
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