cc: Add rasterize and record micro benchmark.

tools/perf/measurements/new_rasterize_and_record.py

+# Copyright 2013 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 time
+from telemetry.core.util import TimeoutException
+from telemetry.page import page_measurement
+
+class NewRasterizeAndRecord(page_measurement.PageMeasurement):
+  def __init__(self):
+    super(NewRasterizeAndRecord, self).__init__('', True)
+
+  def AddCommandLineOptions(self, parser):
+    parser.add_option('--start-wait-time', dest='start_wait_time',
+                      default=2,
+                      help='Wait time before the benchmark is started ' +
+                      '(must be long enought to load all content)')
+    parser.add_option('--rasterize_repeat', dest='rasterize_repeat',
+                      default=100,
+                      help='Repeat each raster this many times. Increase ' +
+                      'this value to reduce variance.')
+    parser.add_option('--record_repeat', dest='record_repeat',
+                      default=100,
+                      help='Repeat each record this many times. Increase ' +
+                      'this value to reduce variance.')
+
+  def CustomizeBrowserOptions(self, options):
+    options.AppendExtraBrowserArgs([
+        '--enable-impl-side-painting',
+        '--force-compositing-mode',
+        '--enable-threaded-compositing',
+        '--enable-gpu-benchmarking'
+    ])
+
+  def MeasurePage(self, page, tab, results):
+    try:
+      tab.WaitForJavaScriptExpression("document.readyState == 'complete'", 10)
+    except TimeoutException:
+      pass
+    time.sleep(float(self.options.start_wait_time))
+
+    record_repeat = self.options.record_repeat
+    rasterize_repeat = self.options.rasterize_repeat
+    # Enqueue benchmark
+    tab.ExecuteJavaScript("""
+        window.benchmark_results = {};
+        window.benchmark_results.done = false;
+        chrome.gpuBenchmarking.runMicroBenchmark(
+            "rasterize_and_record_benchmark",
+            function(value) {
+              window.benchmark_results.done = true;
+              window.benchmark_results.results = value;
+            }, {
+              "record_repeat_count": """ + str(record_repeat) + """,
+              "rasterize_repeat_count": """ + str(rasterize_repeat) + """
+            });
+    """)
+
+    tab.WaitForJavaScriptExpression('window.benchmark_results.done', 300)
+
+    data = tab.EvaluateJavaScript('window.benchmark_results.results')
+
+    pixels_recorded = data['pixels_recorded']
+    record_time = data['record_time_ms']
+    pixels_rasterized = data['pixels_rasterized']
+    rasterize_time = data['rasterize_time_ms']
+
+    results.Add('pixels_recorded', '', pixels_recorded)
+    results.Add('record_time', 'ms', record_time)
+    results.Add('pixels_rasterized', '', pixels_rasterized)
+    results.Add('rasterize_time', 'ms', rasterize_time)
+