Index: tools/perf/perf_tools/scrolling_benchmark.py |
diff --git a/tools/perf/perf_tools/scrolling_benchmark.py b/tools/perf/perf_tools/scrolling_benchmark.py |
index d472a2ac8efe0e016af4bc51594dc9862c29d1a7..929758d33ec157b7313353fcfa805f6fdd6f9f3a 100644 |
--- a/tools/perf/perf_tools/scrolling_benchmark.py |
+++ b/tools/perf/perf_tools/scrolling_benchmark.py |
@@ -41,6 +41,7 @@ class ScrollingBenchmark(multi_page_benchmark.MultiPageBenchmark): |
scroll_js_path = os.path.join(os.path.dirname(__file__), 'scroll.js') |
scroll_js = open(scroll_js_path, 'r').read() |
+ tab.browser.platform.StartSurfaceCollector() |
# Run scroll test. |
tab.runtime.Execute(scroll_js) |
@@ -66,6 +67,8 @@ class ScrollingBenchmark(multi_page_benchmark.MultiPageBenchmark): |
util.WaitFor(lambda: tab.runtime.Evaluate( |
'window.__renderingStatsDeltas'), 60) |
+ tab.browser.platform.StopSurfaceCollector() |
+ |
rendering_stats_deltas = tab.runtime.Evaluate( |
'window.__renderingStatsDeltas') |