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      1 #!/usr/bin/env python
      2 #
      3 # Copyright 2014 The Chromium Authors. All rights reserved.
      4 # Use of this source code is governed by a BSD-style license that can be
      5 # found in the LICENSE file.
      6 
      7 import logging
      8 import optparse
      9 import os
     10 import sys
     11 import webbrowser
     12 
     13 from adb_profile_chrome import chrome_controller
     14 from adb_profile_chrome import perf_controller
     15 from adb_profile_chrome import profiler
     16 from adb_profile_chrome import systrace_controller
     17 from adb_profile_chrome import ui
     18 
     19 from pylib import android_commands
     20 from pylib.device import device_utils
     21 
     22 
     23 _DEFAULT_CHROME_CATEGORIES = '_DEFAULT_CHROME_CATEGORIES'
     24 
     25 
     26 def _ComputeChromeCategories(options):
     27   categories = []
     28   if options.trace_frame_viewer:
     29     categories.append('disabled-by-default-cc.debug')
     30   if options.trace_ubercompositor:
     31     categories.append('disabled-by-default-cc.debug*')
     32   if options.trace_gpu:
     33     categories.append('disabled-by-default-gpu.debug*')
     34   if options.trace_flow:
     35     categories.append('disabled-by-default-toplevel.flow')
     36   if options.trace_memory:
     37     categories.append('disabled-by-default-memory')
     38   if options.chrome_categories:
     39     categories += options.chrome_categories.split(',')
     40   return categories
     41 
     42 
     43 def _ComputeSystraceCategories(options):
     44   if not options.systrace_categories:
     45     return []
     46   return options.systrace_categories.split(',')
     47 
     48 
     49 def _ComputePerfCategories(options):
     50   if not options.perf_categories:
     51     return []
     52   return options.perf_categories.split(',')
     53 
     54 
     55 def _OptionalValueCallback(default_value):
     56   def callback(option, _, __, parser):
     57     value = default_value
     58     if parser.rargs and not parser.rargs[0].startswith('-'):
     59       value = parser.rargs.pop(0)
     60     setattr(parser.values, option.dest, value)
     61   return callback
     62 
     63 
     64 def _CreateOptionParser():
     65   parser = optparse.OptionParser(description='Record about://tracing profiles '
     66                                  'from Android browsers. See http://dev.'
     67                                  'chromium.org/developers/how-tos/trace-event-'
     68                                  'profiling-tool for detailed instructions for '
     69                                  'profiling.')
     70 
     71   timed_options = optparse.OptionGroup(parser, 'Timed tracing')
     72   timed_options.add_option('-t', '--time', help='Profile for N seconds and '
     73                           'download the resulting trace.', metavar='N',
     74                            type='float')
     75   parser.add_option_group(timed_options)
     76 
     77   cont_options = optparse.OptionGroup(parser, 'Continuous tracing')
     78   cont_options.add_option('--continuous', help='Profile continuously until '
     79                           'stopped.', action='store_true')
     80   cont_options.add_option('--ring-buffer', help='Use the trace buffer as a '
     81                           'ring buffer and save its contents when stopping '
     82                           'instead of appending events into one long trace.',
     83                           action='store_true')
     84   parser.add_option_group(cont_options)
     85 
     86   chrome_opts = optparse.OptionGroup(parser, 'Chrome tracing options')
     87   chrome_opts.add_option('-c', '--categories', help='Select Chrome tracing '
     88                          'categories with comma-delimited wildcards, '
     89                          'e.g., "*", "cat1*,-cat1a". Omit this option to trace '
     90                          'Chrome\'s default categories. Chrome tracing can be '
     91                          'disabled with "--categories=\'\'". Use "list" to '
     92                          'see the available categories.',
     93                          metavar='CHROME_CATEGORIES', dest='chrome_categories',
     94                          default=_DEFAULT_CHROME_CATEGORIES)
     95   chrome_opts.add_option('--trace-cc',
     96                          help='Deprecated, use --trace-frame-viewer.',
     97                          action='store_true')
     98   chrome_opts.add_option('--trace-frame-viewer',
     99                          help='Enable enough trace categories for '
    100                          'compositor frame viewing.', action='store_true')
    101   chrome_opts.add_option('--trace-ubercompositor',
    102                          help='Enable enough trace categories for '
    103                          'ubercompositor frame data.', action='store_true')
    104   chrome_opts.add_option('--trace-gpu', help='Enable extra trace categories '
    105                          'for GPU data.', action='store_true')
    106   chrome_opts.add_option('--trace-flow', help='Enable extra trace categories '
    107                          'for IPC message flows.', action='store_true')
    108   chrome_opts.add_option('--trace-memory', help='Enable extra trace categories '
    109                          'for memory profile. (tcmalloc required)',
    110                          action='store_true')
    111   parser.add_option_group(chrome_opts)
    112 
    113   systrace_opts = optparse.OptionGroup(parser, 'Systrace tracing options')
    114   systrace_opts.add_option('-s', '--systrace', help='Capture a systrace with '
    115                         'the chosen comma-delimited systrace categories. You '
    116                         'can also capture a combined Chrome + systrace by '
    117                         'enable both types of categories. Use "list" to see '
    118                         'the available categories. Systrace is disabled by '
    119                         'default.', metavar='SYS_CATEGORIES',
    120                         dest='systrace_categories', default='')
    121   parser.add_option_group(systrace_opts)
    122 
    123   if perf_controller.PerfProfilerController.IsSupported():
    124     perf_opts = optparse.OptionGroup(parser, 'Perf profiling options')
    125     perf_opts.add_option('-p', '--perf', help='Capture a perf profile with '
    126                          'the chosen comma-delimited event categories. '
    127                          'Samples CPU cycles by default. Use "list" to see '
    128                          'the available sample types.', action='callback',
    129                          default='', callback=_OptionalValueCallback('cycles'),
    130                          metavar='PERF_CATEGORIES', dest='perf_categories')
    131     parser.add_option_group(perf_opts)
    132 
    133   output_options = optparse.OptionGroup(parser, 'Output options')
    134   output_options.add_option('-o', '--output', help='Save trace output to file.')
    135   output_options.add_option('--json', help='Save trace as raw JSON instead of '
    136                             'HTML.', action='store_true')
    137   output_options.add_option('--view', help='Open resulting trace file in a '
    138                             'browser.', action='store_true')
    139   parser.add_option_group(output_options)
    140 
    141   browsers = sorted(profiler.GetSupportedBrowsers().keys())
    142   parser.add_option('-b', '--browser', help='Select among installed browsers. '
    143                     'One of ' + ', '.join(browsers) + ', "stable" is used by '
    144                     'default.', type='choice', choices=browsers,
    145                     default='stable')
    146   parser.add_option('-v', '--verbose', help='Verbose logging.',
    147                     action='store_true')
    148   parser.add_option('-z', '--compress', help='Compress the resulting trace '
    149                     'with gzip. ', action='store_true')
    150   return parser
    151 
    152 
    153 def main():
    154   parser = _CreateOptionParser()
    155   options, _args = parser.parse_args()
    156   if options.trace_cc:
    157     parser.parse_error("""--trace-cc is deprecated.
    158 
    159 For basic jank busting uses, use  --trace-frame-viewer
    160 For detailed study of ubercompositor, pass --trace-ubercompositor.
    161 
    162 When in doubt, just try out --trace-frame-viewer.
    163 """)
    164 
    165   if options.verbose:
    166     logging.getLogger().setLevel(logging.DEBUG)
    167 
    168   devices = android_commands.GetAttachedDevices()
    169   if len(devices) != 1:
    170     parser.error('Exactly 1 device must be attached.')
    171   device = device_utils.DeviceUtils(devices[0])
    172   package_info = profiler.GetSupportedBrowsers()[options.browser]
    173 
    174   if options.chrome_categories in ['list', 'help']:
    175     ui.PrintMessage('Collecting record categories list...', eol='')
    176     record_categories = []
    177     disabled_by_default_categories = []
    178     record_categories, disabled_by_default_categories = \
    179         chrome_controller.ChromeTracingController.GetCategories(
    180             device, package_info)
    181 
    182     ui.PrintMessage('done')
    183     ui.PrintMessage('Record Categories:')
    184     ui.PrintMessage('\n'.join('\t%s' % item \
    185         for item in sorted(record_categories)))
    186 
    187     ui.PrintMessage('\nDisabled by Default Categories:')
    188     ui.PrintMessage('\n'.join('\t%s' % item \
    189         for item in sorted(disabled_by_default_categories)))
    190 
    191     return 0
    192 
    193   if options.systrace_categories in ['list', 'help']:
    194     ui.PrintMessage('\n'.join(
    195         systrace_controller.SystraceController.GetCategories(device)))
    196     return 0
    197 
    198   if options.perf_categories in ['list', 'help']:
    199     ui.PrintMessage('\n'.join(
    200         perf_controller.PerfProfilerController.GetCategories(device)))
    201     return 0
    202 
    203   if not options.time and not options.continuous:
    204     ui.PrintMessage('Time interval or continuous tracing should be specified.')
    205     return 1
    206 
    207   chrome_categories = _ComputeChromeCategories(options)
    208   systrace_categories = _ComputeSystraceCategories(options)
    209   perf_categories = _ComputePerfCategories(options)
    210 
    211   if chrome_categories and 'webview' in systrace_categories:
    212     logging.warning('Using the "webview" category in systrace together with '
    213                     'Chrome tracing results in duplicate trace events.')
    214 
    215   enabled_controllers = []
    216   if chrome_categories:
    217     enabled_controllers.append(
    218         chrome_controller.ChromeTracingController(device,
    219                                                   package_info,
    220                                                   chrome_categories,
    221                                                   options.ring_buffer,
    222                                                   options.trace_memory))
    223   if systrace_categories:
    224     enabled_controllers.append(
    225         systrace_controller.SystraceController(device,
    226                                                systrace_categories,
    227                                                options.ring_buffer))
    228 
    229   if perf_categories:
    230     enabled_controllers.append(
    231         perf_controller.PerfProfilerController(device,
    232                                                perf_categories))
    233 
    234   if not enabled_controllers:
    235     ui.PrintMessage('No trace categories enabled.')
    236     return 1
    237 
    238   if options.output:
    239     options.output = os.path.expanduser(options.output)
    240   result = profiler.CaptureProfile(
    241       enabled_controllers,
    242       options.time if not options.continuous else 0,
    243       output=options.output,
    244       compress=options.compress,
    245       write_json=options.json)
    246   if options.view:
    247     if sys.platform == 'darwin':
    248       os.system('/usr/bin/open %s' % os.path.abspath(result))
    249     else:
    250       webbrowser.open(result)
    251