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path: root/tools/dm_flags.py
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#!/usr/bin/env python

usage = '''
Write extra flags to outfile for DM based on the bot name:
  $ python dm_flags.py outfile Test-Mac10.9-MacMini6.2-HD4000-x86_64-Release
Or run self-tests:
  $ python dm_flags.py test
'''

import inspect
import json
import os
import sys


def lineno():
  caller = inspect.stack()[1]  # Up one level to our caller.
  return inspect.getframeinfo(caller[0]).lineno


cov_start = lineno()+1   # We care about coverage starting just past this def.
def get_args(bot):
  args = []

  configs = ['565', '8888', 'gpu']
  # The S4 crashes and the NP produces a long error stream when we run with
  # MSAA.
  if ('GalaxyS4'    not in bot and
      'NexusPlayer' not in bot):
    if 'Android' in bot:
      configs.extend(['msaa4', 'nvprmsaa4'])
    else:
      configs.extend(['msaa16', 'nvprmsaa16'])
  # Runs out of memory on Android bots and Daisy.  Everyone else seems fine.
  if 'Android' not in bot and 'Daisy' not in bot:
    configs.append('pdf')

  # Xoom and NP are running out of RAM when we run all these modes.  skia:3255
  if ('Xoom'        not in bot and
      'NexusPlayer' not in bot):
    configs.extend(mode + '-8888' for mode in
                   ['serialize', 'tiles_rt', 'pipe'])
    configs.append('tiles_rt-gpu')
  if 'ANGLE' in bot:
    configs.append('angle')
  args.append('--config')
  args.extend(configs)

  blacklist = []
  # This image is too large to be a texture for many GPUs.
  blacklist.extend('gpu _ PANO_20121023_214540.jpg'.split(' '))
  blacklist.extend('msaa _ PANO_20121023_214540.jpg'.split(' '))

  # Drawing SKPs or images into GPU canvases is a New Thing.
  # It seems like we're running out of RAM on some Android bots, so start off
  # with a very wide blacklist disabling all these tests on all Android bots.
  if 'Android' in bot:  # skia:3255
    blacklist.extend('gpu skp _ gpu image _ gpu subset _'.split(' '))
    blacklist.extend('msaa skp _ msaa image _ gpu subset _'.split(' '))

  if 'Valgrind' in bot:
    # PDF + .webp -> jumps depending on uninitialized memory.  skia:3505
    blacklist.extend('pdf _ .webp'.split(' '))
    # These both take 18+ hours to run.
    blacklist.extend('pdf gm fontmgr_iter'.split(' '))
    blacklist.extend('pdf _ PANO_20121023_214540.jpg'.split(' '))
    if 'Valgrind_GPU' in bot:
      args.append('--nocpu')
    elif 'Valgrind_CPU' in bot:
      args.append('--nogpu')

  if blacklist:
    args.append('--blacklist')
    args.extend(blacklist)

  match = []
  if 'Alex' in bot:  # skia:2793
    # This machine looks to be running out of heap.
    # Running with fewer threads may help.
    args.extend(['--threads', '1'])
  if 'Valgrind' in bot: # skia:3021
    match.append('~Threaded')
  if 'Xoom' in bot or 'GalaxyS3' in bot:  # skia:1699
    match.append('~WritePixels')

  # skia:3249: these images flakily don't decode on Android.
  if 'Android' in bot:
    match.append('~tabl_mozilla_0')
    match.append('~desk_yahoonews_0')

  if 'NexusPlayer' in bot:
    match.append('~ResourceCache')

  if match:
    args.append('--match')
    args.extend(match)

  # Though their GPUs are interesting, these don't test anything on
  # the CPU that other ARMv7+NEON bots don't test faster (N5).
  if ('Nexus10'  in bot or
      'Nexus7'   in bot or
      'GalaxyS3' in bot or
      'GalaxyS4' in bot):
    args.append('--nocpu')
  return args
cov_end = lineno()   # Don't care about code coverage past here.


def self_test():
  import coverage  # This way the bots don't need coverage.py to be installed.
  args = {}
  cases = [
    'Test-Android-GalaxyS3-Mali400-Arm7-Debug',
    'Test-Android-Nexus7-Tegra3-Arm7-Release',
    'Test-Android-NexusPlayer-PowerVR-x86-Release',
    'Test-Android-Xoom-Tegra2-Arm7-Release',
    'Test-ChromeOS-Alex-GMA3150-x86-Debug',
    'Test-Ubuntu12-ShuttleA-GTX550Ti-x86_64-Release-Valgrind_GPU',
    'Test-Ubuntu14-GCE-NoGPU-x86_64-Release-Valgrind_CPU',
    'Test-Win7-ShuttleA-HD2000-x86-Debug-ANGLE',
  ]

  cov = coverage.coverage()
  cov.start()
  for case in cases:
    args[case] = get_args(case)
  cov.stop()

  this_file = os.path.basename(__file__)
  _, _, not_run, _ = cov.analysis(this_file)
  filtered = [line for line in not_run if line > cov_start and line < cov_end]
  if filtered:
    print 'Lines not covered by test cases: ', filtered
    sys.exit(1)

  golden = this_file.replace('.py', '.json')
  with open(os.path.join(os.path.dirname(__file__), golden), 'w') as f:
    json.dump(args, f, indent=2, sort_keys=True)


if __name__ == '__main__':
  if len(sys.argv) == 2 and sys.argv[1] == 'test':
    self_test()
    sys.exit(0)

  if len(sys.argv) != 3:
    print usage
    sys.exit(1)

  with open(sys.argv[1], 'w') as out:
    json.dump(get_args(sys.argv[2]), out)