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#!/usr/bin/env python
#
# Copyright 2014 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
from profile_chrome import chrome_controller
from profile_chrome import perf_controller
from profile_chrome import profiler
from profile_chrome import systrace_controller
from profile_chrome import ui
from pylib import android_commands
from pylib.device import device_utils
_DEFAULT_CHROME_CATEGORIES = '_DEFAULT_CHROME_CATEGORIES'
def _ComputeChromeCategories(options):
categories = []
if options.trace_frame_viewer:
categories.append('disabled-by-default-cc.debug')
if options.trace_ubercompositor:
categories.append('disabled-by-default-cc.debug*')
if options.trace_gpu:
categories.append('disabled-by-default-gpu.debug*')
if options.trace_flow:
categories.append('disabled-by-default-toplevel.flow')
if options.trace_memory:
categories.append('disabled-by-default-memory')
if options.trace_scheduler:
categories.append('disabled-by-default-blink.scheduler')
categories.append('disabled-by-default-cc.debug.scheduler')
categories.append('disabled-by-default-renderer.scheduler')
if options.chrome_categories:
categories += options.chrome_categories.split(',')
return categories
def _ComputeSystraceCategories(options):
if not options.systrace_categories:
return []
return options.systrace_categories.split(',')
def _ComputePerfCategories(options):
if not perf_controller.PerfProfilerController.IsSupported():
return []
if not options.perf_categories:
return []
return options.perf_categories.split(',')
def _OptionalValueCallback(default_value):
def callback(option, _, __, parser):
value = default_value
if parser.rargs and not parser.rargs[0].startswith('-'):
value = parser.rargs.pop(0)
setattr(parser.values, option.dest, value)
return callback
def _CreateOptionParser():
parser = optparse.OptionParser(description='Record about://tracing profiles '
'from Android browsers. See http://dev.'
'chromium.org/developers/how-tos/trace-event-'
'profiling-tool for detailed instructions for '
'profiling.')
timed_options = optparse.OptionGroup(parser, 'Timed tracing')
timed_options.add_option('-t', '--time', help='Profile for N seconds and '
'download the resulting trace.', metavar='N',
type='float')
parser.add_option_group(timed_options)
cont_options = optparse.OptionGroup(parser, 'Continuous tracing')
cont_options.add_option('--continuous', help='Profile continuously until '
'stopped.', action='store_true')
cont_options.add_option('--ring-buffer', help='Use the trace buffer as a '
'ring buffer and save its contents when stopping '
'instead of appending events into one long trace.',
action='store_true')
parser.add_option_group(cont_options)
chrome_opts = optparse.OptionGroup(parser, 'Chrome tracing options')
chrome_opts.add_option('-c', '--categories', help='Select Chrome tracing '
'categories with comma-delimited wildcards, '
'e.g., "*", "cat1*,-cat1a". Omit this option to trace '
'Chrome\'s default categories. Chrome tracing can be '
'disabled with "--categories=\'\'". Use "list" to '
'see the available categories.',
metavar='CHROME_CATEGORIES', dest='chrome_categories',
default=_DEFAULT_CHROME_CATEGORIES)
chrome_opts.add_option('--trace-cc',
help='Deprecated, use --trace-frame-viewer.',
action='store_true')
chrome_opts.add_option('--trace-frame-viewer',
help='Enable enough trace categories for '
'compositor frame viewing.', action='store_true')
chrome_opts.add_option('--trace-ubercompositor',
help='Enable enough trace categories for '
'ubercompositor frame data.', action='store_true')
chrome_opts.add_option('--trace-gpu', help='Enable extra trace categories '
'for GPU data.', action='store_true')
chrome_opts.add_option('--trace-flow', help='Enable extra trace categories '
'for IPC message flows.', action='store_true')
chrome_opts.add_option('--trace-memory', help='Enable extra trace categories '
'for memory profile. (tcmalloc required)',
action='store_true')
chrome_opts.add_option('--trace-scheduler', help='Enable extra trace '
'categories for scheduler state',
action='store_true')
parser.add_option_group(chrome_opts)
systrace_opts = optparse.OptionGroup(parser, 'Systrace tracing options')
systrace_opts.add_option('-s', '--systrace', help='Capture a systrace with '
'the chosen comma-delimited systrace categories. You '
'can also capture a combined Chrome + systrace by '
'enable both types of categories. Use "list" to see '
'the available categories. Systrace is disabled by '
'default.', metavar='SYS_CATEGORIES',
dest='systrace_categories', default='')
parser.add_option_group(systrace_opts)
if perf_controller.PerfProfilerController.IsSupported():
perf_opts = optparse.OptionGroup(parser, 'Perf profiling options')
perf_opts.add_option('-p', '--perf', help='Capture a perf profile with '
'the chosen comma-delimited event categories. '
'Samples CPU cycles by default. Use "list" to see '
'the available sample types.', action='callback',
default='', callback=_OptionalValueCallback('cycles'),
metavar='PERF_CATEGORIES', dest='perf_categories')
parser.add_option_group(perf_opts)
output_options = optparse.OptionGroup(parser, 'Output options')
output_options.add_option('-o', '--output', help='Save trace output to file.')
output_options.add_option('--json', help='Save trace as raw JSON instead of '
'HTML.', action='store_true')
output_options.add_option('--view', help='Open resulting trace file in a '
'browser.', action='store_true')
parser.add_option_group(output_options)
browsers = sorted(profiler.GetSupportedBrowsers().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')
return parser
def main():
parser = _CreateOptionParser()
options, _args = parser.parse_args()
if options.trace_cc:
parser.parse_error("""--trace-cc is deprecated.
For basic jank busting uses, use --trace-frame-viewer
For detailed study of ubercompositor, pass --trace-ubercompositor.
When in doubt, just try out --trace-frame-viewer.
""")
if options.verbose:
logging.getLogger().setLevel(logging.DEBUG)
devices = android_commands.GetAttachedDevices()
if len(devices) != 1:
parser.error('Exactly 1 device must be attached.')
device = device_utils.DeviceUtils(devices[0])
package_info = profiler.GetSupportedBrowsers()[options.browser]
if options.chrome_categories in ['list', 'help']:
ui.PrintMessage('Collecting record categories list...', eol='')
record_categories = []
disabled_by_default_categories = []
record_categories, disabled_by_default_categories = \
chrome_controller.ChromeTracingController.GetCategories(
device, package_info)
ui.PrintMessage('done')
ui.PrintMessage('Record Categories:')
ui.PrintMessage('\n'.join('\t%s' % item \
for item in sorted(record_categories)))
ui.PrintMessage('\nDisabled by Default Categories:')
ui.PrintMessage('\n'.join('\t%s' % item \
for item in sorted(disabled_by_default_categories)))
return 0
if options.systrace_categories in ['list', 'help']:
ui.PrintMessage('\n'.join(
systrace_controller.SystraceController.GetCategories(device)))
return 0
if (perf_controller.PerfProfilerController.IsSupported() and
options.perf_categories in ['list', 'help']):
ui.PrintMessage('\n'.join(
perf_controller.PerfProfilerController.GetCategories(device)))
return 0
if not options.time and not options.continuous:
ui.PrintMessage('Time interval or continuous tracing should be specified.')
return 1
chrome_categories = _ComputeChromeCategories(options)
systrace_categories = _ComputeSystraceCategories(options)
perf_categories = _ComputePerfCategories(options)
if chrome_categories and 'webview' in systrace_categories:
logging.warning('Using the "webview" category in systrace together with '
'Chrome tracing results in duplicate trace events.')
enabled_controllers = []
if chrome_categories:
enabled_controllers.append(
chrome_controller.ChromeTracingController(device,
package_info,
chrome_categories,
options.ring_buffer,
options.trace_memory))
if systrace_categories:
enabled_controllers.append(
systrace_controller.SystraceController(device,
systrace_categories,
options.ring_buffer))
if perf_categories:
enabled_controllers.append(
perf_controller.PerfProfilerController(device,
perf_categories))
if not enabled_controllers:
ui.PrintMessage('No trace categories enabled.')
return 1
if options.output:
options.output = os.path.expanduser(options.output)
result = profiler.CaptureProfile(
enabled_controllers,
options.time if not options.continuous else 0,
output=options.output,
compress=options.compress,
write_json=options.json)
if options.view:
if sys.platform == 'darwin':
os.system('/usr/bin/open %s' % os.path.abspath(result))
else:
webbrowser.open(result)
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