tools/perf/metrics/smoothness.py - Issue 268803002: re-land: telemetry: Add approximated pixels percentage to smoothness.

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Unified Diff: tools/perf/metrics/smoothness.py

Issue 268803002: re-land: telemetry: Add approximated pixels percentage to smoothness. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src

Patch Set: Created 6 years, 8 months ago

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Index: tools/perf/metrics/smoothness.py

diff --git a/tools/perf/metrics/smoothness.py b/tools/perf/metrics/smoothness.py

index cc94bd9a34de99d911936252c553f714d09f740c..f6a0a3b289ef2b1a7502a78aa6f77dbafbee1e49 100644

--- a/tools/perf/metrics/smoothness.py

+++ b/tools/perf/metrics/smoothness.py

@@ -64,3 +64,9 @@ class SmoothnessMetric(timeline_based_metric.TimelineBasedMetric):

# We use 19ms as a somewhat looser threshold, instead of 1000.0/60.0.

percentile_95 = statistics.Percentile(frame_times, 95.0)

results.Add('mostly_smooth', 'score', 1.0 if percentile_95 < 19.0 else 0.0)

+ # Mean percentage of pixels approximated (missing tiles, low resolution

+ # tiles, non-ideal resolution tiles)

+ results.Add('mean_pixels_approximated', 'percent',

+ round(statistics.ArithmeticMean(

+ FlattenList(stats.approximated_pixel_percentages)), 3))

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