telemetry: Add record per area measurement.

This patch adds a record per area measurement which hooks into
picture record microbenchmark.

R=nduca@chromium.org
NOTRY=True

Review URL: https://codereview.chromium.org/27051005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@228801 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 54 insertions, 0 deletions

diff --git a/tools/perf/measurements/record_per_area.py b/tools/perf/measurements/record_per_area.py
new file mode 100644
index 0000000..c1c34c1
--- /dev/null
+++ b/tools/perf/measurements/record_per_area.py
@@ -0,0 +1,54 @@
+# 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 metrics import smoothness
+from telemetry.core import util
+from telemetry.page import page_measurement
+
+class RecordPerArea(page_measurement.PageMeasurement):
+  def __init__(self):
+    super(RecordPerArea, 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)')
+
+  def CustomizeBrowserOptions(self, options):
+    smoothness.SmoothnessMetrics.CustomizeBrowserOptions(options)
+    options.AppendExtraBrowserArgs([
+        '--enable-impl-side-painting',
+        '--force-compositing-mode',
+        '--enable-threaded-compositing',
+        '--enable-gpu-benchmarking'
+    ])
+
+  def MeasurePage(self, page, tab, results):
+    # Wait until the page has loaded and come to a somewhat steady state.
+    # Needs to be adjusted for every device (~2 seconds for workstation).
+    time.sleep(float(self.options.start_wait_time))
+
+    # Enqueue benchmark
+    tab.ExecuteJavaScript("""
+        window.benchmark_results = {};
+        window.benchmark_results.done = false;
+        chrome.gpuBenchmarking.runMicroBenchmark(
+            "picture_record_benchmark",
+            function(value) {
+              window.benchmark_results.done = true;
+              window.benchmark_results.results = value;
+            });
+    """)
+
+    def _IsDone():
+      return tab.EvaluateJavaScript(
+          'window.benchmark_results.done', timeout=120)
+    util.WaitFor(_IsDone, timeout=120)
+
+    all_data = tab.EvaluateJavaScript('window.benchmark_results.results')
+    for data in all_data:
+      results.Add('time_for_area_%07d' % (data['area']), 'ms', data['time_ms'])