114 lines
3.9 KiB
Python
114 lines
3.9 KiB
Python
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# Copyright 2013 The Chromium Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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import unittest
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from metrics import smoothness
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from metrics.gpu_rendering_stats import GpuRenderingStats
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from telemetry.page import page
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from telemetry.page.page_measurement_results import PageMeasurementResults
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class SmoothnessMetricsUnitTest(unittest.TestCase):
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def testCalcResultsRealRenderStats(self):
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mock_rendering_stats_deltas = {
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'totalTimeInSeconds': 1.0,
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'numFramesSentToScreen': 100,
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'droppedFrameCount': 20,
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'numImplThreadScrolls': 50,
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'numMainThreadScrolls': 50,
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'numLayersDrawn': 240,
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'numMissingTiles': 10,
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'textureUploadCount': 120,
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'totalTextureUploadTimeInSeconds': 1.2,
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'totalCommitCount': 130,
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'totalCommitTimeInSeconds': 1.3,
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'totalDeferredImageDecodeCount': 140,
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'totalDeferredImageDecodeTimeInSeconds': 1.4,
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'totalDeferredImageCacheHitCount': 30,
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'totalImageGatheringCount': 150,
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'totalImageGatheringTimeInSeconds': 1.5,
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'totalTilesAnalyzed': 160,
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'totalTileAnalysisTimeInSeconds': 1.6,
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'solidColorTilesAnalyzed': 40,
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'inputEventCount': 170,
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'totalInputLatency': 1.7,
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'touchUICount': 180,
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'totalTouchUILatency': 1.8,
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'touchAckedCount': 190,
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'totalTouchAckedLatency': 1.9,
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'scrollUpdateCount': 200,
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'totalScrollUpdateLatency': 2.0}
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stats = GpuRenderingStats(mock_rendering_stats_deltas)
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res = PageMeasurementResults()
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res.WillMeasurePage(page.Page('http://foo.com/', None))
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smoothness.CalcResults(stats, res)
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res.DidMeasurePage()
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# Scroll Results
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self.assertAlmostEquals(
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1.0 / 100.0 * 1000.0,
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res.page_results[0]['mean_frame_time'].value, 2)
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self.assertAlmostEquals(
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20.0 / 100.0 * 100.0,
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res.page_results[0]['dropped_percent'].value)
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self.assertAlmostEquals(
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50.0 / (50.0 + 50.0) * 100.0,
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res.page_results[0]['percent_impl_scrolled'].value)
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self.assertAlmostEquals(
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240.0 / 100.0,
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res.page_results[0]['average_num_layers_drawn'].value)
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self.assertAlmostEquals(
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10.0 / 100.0,
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res.page_results[0]['average_num_missing_tiles'].value)
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# Texture Upload Results
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self.assertAlmostEquals(
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1.3 / 130.0 * 1000.0,
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res.page_results[0]['average_commit_time'].value)
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self.assertEquals(
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120,
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res.page_results[0]['texture_upload_count'].value)
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self.assertEquals(
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1.2,
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res.page_results[0]['total_texture_upload_time'].value)
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# Image Decoding Results
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self.assertEquals(
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140,
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res.page_results[0]['total_deferred_image_decode_count'].value)
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self.assertEquals(
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30,
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res.page_results[0]['total_image_cache_hit_count'].value)
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self.assertAlmostEquals(
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1.5 / 150.0 * 1000.0,
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res.page_results[0]['average_image_gathering_time'].value)
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self.assertEquals(
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1.4,
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res.page_results[0]['total_deferred_image_decoding_time'].value)
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# Tile Analysis Results
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self.assertEquals(
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160,
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res.page_results[0]['total_tiles_analyzed'].value)
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self.assertEquals(
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40,
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res.page_results[0]['solid_color_tiles_analyzed'].value)
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self.assertAlmostEquals(
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1.6 / 160.0 * 1000.0,
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res.page_results[0]['average_tile_analysis_time'].value)
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# Latency Results
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self.assertAlmostEquals(
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1.7 / 170.0 * 1000.0,
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res.page_results[0]['average_latency'].value)
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self.assertAlmostEquals(
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1.8 / 180.0 * 1000.0,
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res.page_results[0]['average_touch_ui_latency'].value)
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self.assertAlmostEquals(
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1.9 / 190.0 * 1000.0,
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res.page_results[0]['average_touch_acked_latency'].value)
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self.assertAlmostEquals(
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2.0 / 200.0 * 1000.0,
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res.page_results[0]['average_scroll_update_latency'].value)
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