src/tools/perf/page_sets/tough_scheduling_cases.json

   1 {
   2   "description": "Tough scheduler latency test cases",
   3   "smoothness": {
   4     "action": "scroll"
   5   },
   6   "pages": [
   7     {
   8       "url": "file://tough_scheduling_cases/simple_text_page.html",
   9       "why": "Simple scrolling baseline"
  10     },
  11     {
  12       "url": "file://tough_scheduling_cases/simple_text_page.html?main_busy",
  13       "why": "Simulate oversubscribed main thread",
  14       "synthetic_delays": {
  15         "cc.BeginMainFrame": { "target_duration": 0.008 }
  16       }
  17     },
  18     {
  19       "url": "file://tough_scheduling_cases/simple_text_page.html?main_very_busy",
  20       "why": "Simulate oversubscribed main thread",
  21       "synthetic_delays": {
  22         "cc.BeginMainFrame": { "target_duration": 0.024 }
  23       }
  24     },
  25     {
  26       "url": "file://tough_scheduling_cases/simple_text_page.html?medium_layers",
  27       "why": "Simulate a page with a a few graphics layers",
  28       "synthetic_delays": {
  29         "cc.BeginMainFrame": { "target_duration": 0.004 },
  30         "cc.DrawAndSwap": { "target_duration": 0.004 },
  31         "gpu.SwapBuffers": { "target_duration": 0.004 }
  32       }
  33     },
  34     {
  35       "url": "file://tough_scheduling_cases/simple_text_page.html?many_layers",
  36       "why": "Simulate a page with many graphics layers",
  37       "synthetic_delays": {
  38         "cc.BeginMainFrame": { "target_duration": 0.012 },
  39         "cc.DrawAndSwap": { "target_duration": 0.012 },
  40         "gpu.SwapBuffers": { "target_duration": 0.012 }
  41       }
  42     },
  43     {
  44       "url": "file://tough_scheduling_cases/simple_text_page.html?medium_raster",
  45       "why": "Simulate a page with expensive recording and rasterization",
  46       "synthetic_delays": {
  47         "cc.BeginMainFrame": { "target_duration": 0.004 },
  48         "cc.RasterRequiredForActivation": { "target_duration": 0.004 },
  49         "gpu.AsyncTexImage": { "target_duration": 0.004 }
  50       }
  51     },
  52     {
  53       "url": "file://tough_scheduling_cases/simple_text_page.html?heavy_raster",
  54       "why": "Simulate a page with expensive recording and rasterization",
  55       "synthetic_delays": {
  56         "cc.BeginMainFrame": { "target_duration": 0.024 },
  57         "cc.RasterRequiredForActivation": { "target_duration": 0.024 },
  58         "gpu.AsyncTexImage": { "target_duration": 0.024 }
  59       }
  60     },
  61     {
  62       "url": "file://tough_scheduling_cases/touch_handler_scrolling.html",
  63       "why": "Touch handler scrolling baseline"
  64     },
  65     {
  66       "url": "file://tough_scheduling_cases/touch_handler_scrolling.html?medium_handler",
  67       "why": "Medium cost touch handler",
  68       "synthetic_delays": {
  69         "blink.HandleInputEvent": { "target_duration": 0.008 }
  70       }
  71     },
  72     {
  73       "url": "file://tough_scheduling_cases/touch_handler_scrolling.html?slow_handler",
  74       "why": "Slow touch handler",
  75       "synthetic_delays": {
  76         "blink.HandleInputEvent": { "target_duration": 0.024 }
  77       }
  78     },
  79     {
  80       "url": "file://tough_scheduling_cases/touch_handler_scrolling.html?janky_handler",
  81       "why": "Touch handler that often takes a long time",
  82       "synthetic_delays": {
  83         "blink.HandleInputEvent": { "target_duration": 0.024, "mode": "alternating" }
  84       }
  85     },
  86     {
  87       "url": "file://tough_scheduling_cases/touch_handler_scrolling.html?occasionally_janky_handler",
  88       "why": "Touch handler that occasionally takes a long time",
  89       "synthetic_delays": {
  90         "blink.HandleInputEvent": { "target_duration": 0.024, "mode": "oneshot" }
  91       }
  92     },
  93     {
  94       "url": "file://tough_scheduling_cases/touch_handler_scrolling.html?super_slow_handler",
  95       "why": "Super expensive touch handler causes browser to scroll after a timeout",
  96       "synthetic_delays": {
  97         "blink.HandleInputEvent": { "target_duration": 0.2 }
  98       }
  99     },
 100     {
 101       "url": "file://tough_scheduling_cases/div_touch_handler.html",
 102       "why": "Super expensive touch handler that only occupies a part of the page",
 103       "synthetic_delays": {
 104         "blink.HandleInputEvent": { "target_duration": 0.2 }
 105       }
 106     },
 107     {
 108       "url": "file://tough_scheduling_cases/raf.html",
 109       "why": "requestAnimationFrame scrolling baseline"
 110     },
 111     {
 112       "url": "file://tough_scheduling_cases/raf_canvas.html",
 113       "why": "Test canvas blocking behavior"
 114     },
 115     {
 116       "url": "file://tough_scheduling_cases/raf.html?medium_handler",
 117       "why": "Test a moderately heavy requestAnimationFrame handler",
 118       "synthetic_delays": {
 119         "cc.BeginMainFrame": { "target_duration": 0.004 },
 120         "cc.RasterRequiredForActivation": { "target_duration": 0.004 },
 121         "gpu.AsyncTexImage": { "target_duration": 0.004 }
 122       }
 123     },
 124     {
 125       "url": "file://tough_scheduling_cases/raf.html?heavy_handler",
 126       "why": "Test a moderately heavy requestAnimationFrame handler",
 127       "synthetic_delays": {
 128         "cc.BeginMainFrame": { "target_duration": 0.024 },
 129         "cc.RasterRequiredForActivation": { "target_duration": 0.024 },
 130         "gpu.AsyncTexImage": { "target_duration": 0.024 }
 131       }
 132     },
 133     {
 134       "url": "file://tough_scheduling_cases/raf.html?gpu_bound",
 135       "why": "Simulate a heavily GPU bound page",
 136       "synthetic_delays": {
 137         "gpu.SwapBuffers": { "target_duration": 0.1 }
 138       }
 139     },
 140     {
 141       "url": "file://tough_scheduling_cases/raf.html?heavy_first_frame",
 142       "why": "Test a requestAnimationFrame handler with a heavy first frame",
 143       "synthetic_delays": {
 144         "cc.BeginMainFrame": { "target_duration": 0.15 }
 145       }
 146     },
 147     {
 148       "url": "file://tough_scheduling_cases/raf_animation.html",
 149       "why": "Test a requestAnimationFrame handler with concurrent CSS animation"
 150     },
 151     {
 152       "url": "file://tough_scheduling_cases/raf_touch_animation.html",
 153       "why": "Stress test for the scheduler"
 154     },
 155     {
 156       "url": "file://tough_scheduling_cases/raf_touch_animation.html?medium",
 157       "why": "Medium stress test for the scheduler",
 158       "synthetic_delays": {
 159         "cc.BeginMainFrame": { "target_duration": 0.004 },
 160         "cc.DrawAndSwap": { "target_duration": 0.004 }
 161       }
 162     },
 163     {
 164       "url": "file://tough_scheduling_cases/raf_touch_animation.html?heavy",
 165       "why": "Heavy stress test for the scheduler",
 166       "synthetic_delays": {
 167         "cc.BeginMainFrame": { "target_duration": 0.012 },
 168         "cc.DrawAndSwap": { "target_duration": 0.012 }
 169       }
 170     },
 171     {
 172       "url": "file://tough_scheduling_cases/split_animation.html",
 173       "why": "Both main and impl thread animating concurrently",
 174       "smoothness": { "action": "wait", "seconds": 3 }
 175     }
 176   ]
 177 }