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#!/usr/bin/env python
#
# Copyright 2015 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.
import logging
import optparse
import os
import sys
import webbrowser
_SYSTRACE_DIR = os.path.abspath(os.path.join(os.path.dirname(__file__), '..'))
sys.path.append(_SYSTRACE_DIR)
from profile_chrome import chrome_startup_tracing_agent
from profile_chrome import flags
from profile_chrome import profiler
from profile_chrome import ui
from systrace import util
from systrace.tracing_agents import atrace_agent
_CATAPULT_DIR = os.path.join(
os.path.dirname(os.path.abspath(__file__)), '..', '..')
sys.path.append(os.path.join(_CATAPULT_DIR, 'devil'))
from devil.android import device_utils
from devil.android.sdk import adb_wrapper
_CHROME_STARTUP_MODULES = [atrace_agent, chrome_startup_tracing_agent]
_DEFAULT_CHROME_CATEGORIES = '_DEFAULT_CHROME_CATEGORIES'
def _CreateOptionParser():
parser = optparse.OptionParser(description='Record about://tracing profiles '
'from Android browsers startup, combined with '
'Android systrace. See http://dev.chromium.org'
'/developers/how-tos/trace-event-profiling-'
'tool for detailed instructions for '
'profiling.', conflict_handler='resolve')
parser = util.get_main_options(parser)
browsers = sorted(util.get_supported_browsers().keys())
parser.add_option('-b', '--browser', help='Select among installed browsers. '
'One of ' + ', '.join(browsers) + ', "stable" is used by '
'default.', type='choice', choices=browsers,
default='stable')
parser.add_option('-v', '--verbose', help='Verbose logging.',
action='store_true')
parser.add_option('-z', '--compress', help='Compress the resulting trace '
'with gzip. ', action='store_true')
parser.add_option('-t', '--time', help='Stops tracing after N seconds, 0 to '
'manually stop (startup trace ends after at most 5s).',
default=5, metavar='N', type='int', dest='trace_time')
parser.add_option('-c', '--chrome_categories', help='Chrome tracing '
'categories to record.', default=_DEFAULT_CHROME_CATEGORIES,
type='string')
parser.add_option('-u', '--atrace-buffer-size', help='Number of bytes to'
' be used for capturing atrace data', type='int',
default=None, dest='trace_buf_size')
parser.add_option_group(chrome_startup_tracing_agent.add_options(parser))
parser.add_option_group(atrace_agent.add_options(parser))
parser.add_option_group(flags.OutputOptions(parser))
return parser
def main():
parser = _CreateOptionParser()
options, _ = parser.parse_args()
if not options.device_serial_number:
devices = [a.GetDeviceSerial() for a in adb_wrapper.AdbWrapper.Devices()]
if len(devices) == 0:
raise RuntimeError('No ADB devices connected.')
elif len(devices) >= 2:
raise RuntimeError('Multiple devices connected, serial number required')
options.device_serial_number = devices[0]
if options.verbose:
logging.getLogger().setLevel(logging.DEBUG)
devices = device_utils.DeviceUtils.HealthyDevices()
if len(devices) != 1:
logging.error('Exactly 1 device must be attached.')
return 1
device = devices[0]
package_info = util.get_supported_browsers()[options.browser]
options.device = device
options.package_info = package_info
# TODO(washingtonp): Once Systrace uses all of the profile_chrome agents,
# manually setting these options will no longer be necessary and should be
# removed.
options.ring_buffer = False
options.trace_memory = False
if options.atrace_categories in ['list', 'help']:
atrace_agent.list_categories(atrace_agent.get_config(options))
print '\n'
return 0
result = profiler.CaptureProfile(options,
options.trace_time,
_CHROME_STARTUP_MODULES,
output=options.output_file,
compress=options.compress,
write_json=options.write_json)
if options.view:
if sys.platform == 'darwin':
os.system('/usr/bin/open %s' % os.path.abspath(result))
else:
webbrowser.open(result)
if __name__ == '__main__':
sys.exit(main())
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