src/tools/perf/page_sets/tough_scheduling_cases.py

   1 # Copyright 2014 The Chromium Authors. All rights reserved.
   2 # Use of this source code is governed by a BSD-style license that can be
   3 # found in the LICENSE file.
   4 from telemetry.page import page as page_module
   5 from telemetry.page import page_set as page_set_module
   6
   7
   8 class ToughSchedulingCasesPage(page_module.Page):
   9
  10   def __init__(self, url, page_set):
  11     super(ToughSchedulingCasesPage, self).__init__(url=url, page_set=page_set)
  12
  13   def RunSmoothness(self, action_runner):
  14     interaction = action_runner.BeginGestureInteraction(
  15         'ScrollAction', is_smooth=True)
  16     action_runner.ScrollPage()
  17     interaction.End()
  18
  19
  20 class Page1(ToughSchedulingCasesPage):
  21
  22   """ Why: Simulate oversubscribed main thread """
  23
  24   def __init__(self, page_set):
  25     super(Page1, self).__init__(
  26       url='file://tough_scheduling_cases/simple_text_page.html?main_busy',
  27       page_set=page_set)
  28
  29     self.synthetic_delays = {'cc.BeginMainFrame': {'target_duration': 0.008}}
  30
  31
  32 class Page2(ToughSchedulingCasesPage):
  33
  34   """ Why: Simulate oversubscribed main thread """
  35
  36   def __init__(self, page_set):
  37     super(Page2, self).__init__(
  38       # pylint: disable=C0301
  39       url='file://tough_scheduling_cases/simple_text_page.html?main_very_busy',
  40       page_set=page_set)
  41
  42     self.synthetic_delays = {'cc.BeginMainFrame': {'target_duration': 0.024}}
  43
  44
  45 class Page3(ToughSchedulingCasesPage):
  46
  47   """ Why: Simulate a page with a a few graphics layers """
  48
  49   def __init__(self, page_set):
  50     super(Page3, self).__init__(
  51       # pylint: disable=C0301
  52       url='file://tough_scheduling_cases/simple_text_page.html?medium_layers',
  53       page_set=page_set)
  54
  55     self.synthetic_delays = {
  56       'cc.DrawAndSwap': {'target_duration': 0.004},
  57       'gpu.PresentingFrame': {'target_duration': 0.004},
  58       'cc.BeginMainFrame': {'target_duration': 0.004}
  59     }
  60
  61
  62 class Page4(ToughSchedulingCasesPage):
  63
  64   """ Why: Simulate a page with many graphics layers """
  65
  66   def __init__(self, page_set):
  67     super(Page4, self).__init__(
  68       # pylint: disable=C0301
  69       url='file://tough_scheduling_cases/simple_text_page.html?many_layers',
  70       page_set=page_set)
  71
  72     self.synthetic_delays = {
  73       'cc.DrawAndSwap': {'target_duration': 0.012},
  74       'gpu.PresentingFrame': {'target_duration': 0.012},
  75       'cc.BeginMainFrame': {'target_duration': 0.012}
  76     }
  77
  78
  79 class Page5(ToughSchedulingCasesPage):
  80
  81   """ Why: Simulate a page with expensive recording and rasterization """
  82
  83   def __init__(self, page_set):
  84     super(Page5, self).__init__(
  85       # pylint: disable=C0301
  86       url='file://tough_scheduling_cases/simple_text_page.html?medium_raster',
  87       page_set=page_set)
  88
  89     self.synthetic_delays = {
  90       'cc.RasterRequiredForActivation': {'target_duration': 0.004},
  91       'cc.BeginMainFrame': {'target_duration': 0.004},
  92       'gpu.AsyncTexImage': {'target_duration': 0.004}
  93     }
  94
  95
  96 class Page6(ToughSchedulingCasesPage):
  97
  98   """ Why: Simulate a page with expensive recording and rasterization """
  99
 100   def __init__(self, page_set):
 101     super(Page6, self).__init__(
 102       # pylint: disable=C0301
 103       url='file://tough_scheduling_cases/simple_text_page.html?heavy_raster',
 104       page_set=page_set)
 105
 106     self.synthetic_delays = {
 107       'cc.RasterRequiredForActivation': {'target_duration': 0.024},
 108       'cc.BeginMainFrame': {'target_duration': 0.024},
 109       'gpu.AsyncTexImage': {'target_duration': 0.024}
 110     }
 111
 112
 113 class Page7(ToughSchedulingCasesPage):
 114
 115   """ Why: Medium cost touch handler """
 116
 117   def __init__(self, page_set):
 118     super(Page7, self).__init__(
 119       # pylint: disable=C0301
 120       url='file://tough_scheduling_cases/touch_handler_scrolling.html?medium_handler',
 121       page_set=page_set)
 122
 123     self.synthetic_delays = {'blink.HandleInputEvent':
 124                              {'target_duration': 0.008}}
 125
 126
 127 class Page8(ToughSchedulingCasesPage):
 128
 129   """ Why: Slow touch handler """
 130
 131   def __init__(self, page_set):
 132     super(Page8, self).__init__(
 133       # pylint: disable=C0301
 134       url='file://tough_scheduling_cases/touch_handler_scrolling.html?slow_handler',
 135       page_set=page_set)
 136
 137     self.synthetic_delays = {'blink.HandleInputEvent':
 138                              {'target_duration': 0.024}}
 139
 140
 141 class Page9(ToughSchedulingCasesPage):
 142
 143   """ Why: Touch handler that often takes a long time """
 144
 145   def __init__(self, page_set):
 146     super(Page9, self).__init__(
 147       # pylint: disable=C0301
 148       url='file://tough_scheduling_cases/touch_handler_scrolling.html?janky_handler',
 149       page_set=page_set)
 150
 151     self.synthetic_delays = {'blink.HandleInputEvent':
 152                              {'target_duration': 0.024, 'mode': 'alternating'}
 153                             }
 154
 155
 156 class Page10(ToughSchedulingCasesPage):
 157
 158   """ Why: Touch handler that occasionally takes a long time """
 159
 160   def __init__(self, page_set):
 161     super(Page10, self).__init__(
 162       # pylint: disable=C0301
 163       url='file://tough_scheduling_cases/touch_handler_scrolling.html?occasionally_janky_handler',
 164       page_set=page_set)
 165
 166     self.synthetic_delays = {'blink.HandleInputEvent':
 167                              {'target_duration': 0.024, 'mode': 'oneshot'}}
 168
 169
 170 class Page11(ToughSchedulingCasesPage):
 171
 172   """ Why: Super expensive touch handler causes browser to scroll after a
 173   timeout.
 174   """
 175
 176   def __init__(self, page_set):
 177     super(Page11, self).__init__(
 178       # pylint: disable=C0301
 179       url='file://tough_scheduling_cases/touch_handler_scrolling.html?super_slow_handler',
 180       page_set=page_set)
 181
 182     self.synthetic_delays = {'blink.HandleInputEvent':
 183                              {'target_duration': 0.2}}
 184
 185
 186 class Page12(ToughSchedulingCasesPage):
 187
 188   """ Why: Super expensive touch handler that only occupies a part of the page.
 189   """
 190
 191   def __init__(self, page_set):
 192     super(Page12, self).__init__(
 193       url='file://tough_scheduling_cases/div_touch_handler.html',
 194       page_set=page_set)
 195
 196     self.synthetic_delays = {'blink.HandleInputEvent': {'target_duration': 0.2}}
 197
 198
 199 class Page13(ToughSchedulingCasesPage):
 200
 201   """ Why: Test a moderately heavy requestAnimationFrame handler """
 202
 203   def __init__(self, page_set):
 204     super(Page13, self).__init__(
 205       url='file://tough_scheduling_cases/raf.html?medium_handler',
 206       page_set=page_set)
 207
 208     self.synthetic_delays = {
 209       'cc.RasterRequiredForActivation': {'target_duration': 0.004},
 210       'cc.BeginMainFrame': {'target_duration': 0.004},
 211       'gpu.AsyncTexImage': {'target_duration': 0.004}
 212     }
 213
 214
 215 class Page14(ToughSchedulingCasesPage):
 216
 217   """ Why: Test a moderately heavy requestAnimationFrame handler """
 218
 219   def __init__(self, page_set):
 220     super(Page14, self).__init__(
 221       url='file://tough_scheduling_cases/raf.html?heavy_handler',
 222       page_set=page_set)
 223
 224     self.synthetic_delays = {
 225       'cc.RasterRequiredForActivation': {'target_duration': 0.024},
 226       'cc.BeginMainFrame': {'target_duration': 0.024},
 227       'gpu.AsyncTexImage': {'target_duration': 0.024}
 228     }
 229
 230
 231 class Page15(ToughSchedulingCasesPage):
 232
 233   """ Why: Simulate a heavily GPU bound page """
 234
 235   def __init__(self, page_set):
 236     super(Page15, self).__init__(
 237       url='file://tough_scheduling_cases/raf.html?gpu_bound',
 238       page_set=page_set)
 239
 240     self.synthetic_delays = {'gpu.PresentingFrame': {'target_duration': 0.1}}
 241
 242
 243 class Page16(ToughSchedulingCasesPage):
 244
 245   """ Why: Test a requestAnimationFrame handler with a heavy first frame """
 246
 247   def __init__(self, page_set):
 248     super(Page16, self).__init__(
 249       url='file://tough_scheduling_cases/raf.html?heavy_first_frame',
 250       page_set=page_set)
 251
 252     self.synthetic_delays = {'cc.BeginMainFrame': {'target_duration': 0.15}}
 253
 254
 255 class Page17(ToughSchedulingCasesPage):
 256
 257   """ Why: Medium stress test for the scheduler """
 258
 259   def __init__(self, page_set):
 260     super(Page17, self).__init__(
 261       url='file://tough_scheduling_cases/raf_touch_animation.html?medium',
 262       page_set=page_set)
 263
 264     self.synthetic_delays = {
 265       'cc.DrawAndSwap': {'target_duration': 0.004},
 266       'cc.BeginMainFrame': {'target_duration': 0.004}
 267     }
 268
 269
 270 class Page18(ToughSchedulingCasesPage):
 271
 272   """ Why: Heavy stress test for the scheduler """
 273
 274   def __init__(self, page_set):
 275     super(Page18, self).__init__(
 276       url='file://tough_scheduling_cases/raf_touch_animation.html?heavy',
 277       page_set=page_set)
 278
 279     self.synthetic_delays = {
 280       'cc.DrawAndSwap': {'target_duration': 0.012},
 281       'cc.BeginMainFrame': {'target_duration': 0.012}
 282     }
 283
 284
 285 class Page19(ToughSchedulingCasesPage):
 286
 287   """ Why: Both main and impl thread animating concurrently """
 288
 289   def __init__(self, page_set):
 290     super(Page19, self).__init__(
 291       url='file://tough_scheduling_cases/split_animation.html',
 292       page_set=page_set)
 293
 294   def RunSmoothness(self, action_runner):
 295     action_runner.Wait(3)
 296
 297
 298 class Page20(ToughSchedulingCasesPage):
 299
 300   """ Why: Simple JS touch dragging """
 301
 302   def __init__(self, page_set):
 303     super(Page20, self).__init__(
 304       url='file://tough_scheduling_cases/simple_touch_drag.html',
 305       page_set=page_set)
 306
 307   def RunSmoothness(self, action_runner):
 308     interaction = action_runner.BeginGestureInteraction(
 309         'ScrollAction', is_smooth=True)
 310     action_runner.ScrollElement(
 311         selector='#card',
 312         use_touch=True,
 313         direction='up',
 314         speed_in_pixels_per_second=150,
 315         distance=400)
 316     interaction.End()
 317
 318
 319 class EmptyTouchHandlerPage(ToughSchedulingCasesPage):
 320
 321   """ Why: Scrolling on a page with a touch handler that consumes no events but
 322       may be slow """
 323
 324   def __init__(self, name, desktop, slow_handler, bounce, page_set):
 325     super(EmptyTouchHandlerPage, self).__init__(
 326       url='file://tough_scheduling_cases/empty_touch_handler' +
 327         ('_desktop' if desktop else '') + '.html?' + name,
 328       page_set=page_set)
 329
 330     if slow_handler:
 331       self.synthetic_delays = {
 332         'blink.HandleInputEvent': {'target_duration': 0.2}
 333       }
 334
 335     self.bounce = bounce
 336
 337   def RunSmoothness(self, action_runner):
 338     if self.bounce:
 339       interaction = action_runner.BeginGestureInteraction(
 340           'ScrollBounceAction', is_smooth=True)
 341       action_runner.ScrollBouncePage()
 342       interaction.End()
 343     else:
 344       interaction = action_runner.BeginGestureInteraction(
 345           'ScrollAction', is_smooth=True)
 346       # Speed and distance are tuned to run exactly as long as a scroll
 347       # bounce.
 348       action_runner.ScrollPage(use_touch=True, speed_in_pixels_per_second=400,
 349                                distance=2100)
 350       interaction.End()
 351
 352
 353 class SynchronizedScrollOffsetPage(ToughSchedulingCasesPage):
 354
 355   """Why: For measuring the latency of scroll-synchronized effects."""
 356
 357   def __init__(self, page_set):
 358     super(SynchronizedScrollOffsetPage, self).__init__(
 359       url='file://tough_scheduling_cases/sync_scroll_offset.html',
 360       page_set=page_set)
 361
 362   def RunSmoothness(self, action_runner):
 363     interaction = action_runner.BeginGestureInteraction(
 364         'ScrollBounceAction', is_smooth=True)
 365     action_runner.ScrollBouncePage()
 366     interaction.End()
 367
 368
 369 class ToughSchedulingCasesPageSet(page_set_module.PageSet):
 370
 371   """ Tough scheduler latency test cases """
 372
 373   def __init__(self):
 374     super(ToughSchedulingCasesPageSet, self).__init__()
 375
 376     # Why: Simple scrolling baseline
 377     self.AddPage(ToughSchedulingCasesPage(
 378       'file://tough_scheduling_cases/simple_text_page.html',
 379       self))
 380     self.AddPage(Page1(self))
 381     self.AddPage(Page2(self))
 382     self.AddPage(Page3(self))
 383     self.AddPage(Page4(self))
 384     self.AddPage(Page5(self))
 385     # self.AddPage(Page6(self)) Flaky crbug.com/368532
 386     # Why: Touch handler scrolling baseline
 387     self.AddPage(ToughSchedulingCasesPage(
 388       'file://tough_scheduling_cases/touch_handler_scrolling.html',
 389       self))
 390     self.AddPage(Page7(self))
 391     self.AddPage(Page8(self))
 392     self.AddPage(Page9(self))
 393     self.AddPage(Page10(self))
 394     self.AddPage(Page11(self))
 395     self.AddPage(Page12(self))
 396     # Why: requestAnimationFrame scrolling baseline
 397     self.AddPage(ToughSchedulingCasesPage(
 398       'file://tough_scheduling_cases/raf.html',
 399       self))
 400     # Why: Test canvas blocking behavior
 401     self.AddPage(ToughSchedulingCasesPage(
 402       'file://tough_scheduling_cases/raf_canvas.html',
 403       self))
 404     self.AddPage(Page13(self))
 405     # Disabled for flakiness. See 368532
 406     # self.AddPage(Page14(self))
 407     self.AddPage(Page15(self))
 408     self.AddPage(Page16(self))
 409     # Why: Test a requestAnimationFrame handler with concurrent CSS animation
 410     self.AddPage(ToughSchedulingCasesPage(
 411       'file://tough_scheduling_cases/raf_animation.html',
 412       self))
 413     # Why: Stress test for the scheduler
 414     self.AddPage(ToughSchedulingCasesPage(
 415       'file://tough_scheduling_cases/raf_touch_animation.html',
 416       self))
 417     self.AddPage(Page17(self))
 418     self.AddPage(Page18(self))
 419     self.AddPage(Page19(self))
 420     self.AddPage(Page20(self))
 421     # Why: Baseline for scrolling in the presence of a no-op touch handler
 422     self.AddPage(EmptyTouchHandlerPage(
 423       name='baseline',
 424       desktop=False,
 425       slow_handler=False,
 426       bounce=False,
 427       page_set=self))
 428     # Why: Slow handler blocks scroll start
 429     self.AddPage(EmptyTouchHandlerPage(
 430       name='slow_handler',
 431       desktop=False,
 432       slow_handler=True,
 433       bounce=False,
 434       page_set=self))
 435     # Why: Slow handler blocks scroll start until touch ACK timeout
 436     self.AddPage(EmptyTouchHandlerPage(
 437       name='desktop_slow_handler',
 438       desktop=True,
 439       slow_handler=True,
 440       bounce=False,
 441       page_set=self))
 442     # Why: Scroll bounce showing repeated transitions between scrolling and
 443     # sending synchronous touchmove events.  Should be nearly as fast as
 444     # scroll baseline.
 445     self.AddPage(EmptyTouchHandlerPage(
 446       name='bounce',
 447       desktop=False,
 448       slow_handler=False,
 449       bounce=True,
 450       page_set=self))
 451     # Why: Scroll bounce with slow handler, repeated blocking.
 452     self.AddPage(EmptyTouchHandlerPage(
 453       name='bounce_slow_handler',
 454       desktop=False,
 455       slow_handler=True,
 456       bounce=True,
 457       page_set=self))
 458     # Why: Scroll bounce with slow handler on desktop, blocks only once until
 459     # ACK timeout.
 460     self.AddPage(EmptyTouchHandlerPage(
 461       name='bounce_desktop_slow_handler',
 462       desktop=True,
 463       slow_handler=True,
 464       bounce=True,
 465       page_set=self))
 466     # Why: For measuring the latency of scroll-synchronized effects.
 467     self.AddPage(SynchronizedScrollOffsetPage(page_set=self))