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1 # Copyright 2015 The Chromium Authors. All rights reserved. | 1 # Copyright 2015 The Chromium Authors. All rights reserved. |
2 # Use of this source code is governed by a BSD-style license that can be | 2 # Use of this source code is governed by a BSD-style license that can be |
3 # found in the LICENSE file. | 3 # found in the LICENSE file. |
4 | 4 |
5 from core import perf_benchmark | 5 from core import perf_benchmark |
6 | 6 |
7 from telemetry.timeline import chrome_trace_category_filter | 7 from telemetry.timeline import chrome_trace_category_filter |
8 from telemetry.web_perf import timeline_based_measurement | 8 from telemetry.web_perf import timeline_based_measurement |
9 from telemetry.web_perf.metrics import jitter_timeline | 9 from telemetry.web_perf.metrics import jitter_timeline |
10 | 10 |
11 import page_sets | 11 import page_sets |
12 | 12 |
13 | 13 |
14 JITTER_CATEGORY = 'cdp.perf' | 14 JITTER_CATEGORY = 'cdp.perf' |
15 TIMELINE_REQUIRED_CATEGORY = 'blink.console' | 15 TIMELINE_REQUIRED_CATEGORY = 'blink.console' |
16 | 16 |
17 | 17 |
18 class Jitter(perf_benchmark.PerfBenchmark): | 18 class Jitter(perf_benchmark.PerfBenchmark): |
19 """Timeline based measurement benchmark for jitter.""" | 19 """Timeline based measurement benchmark for jitter.""" |
20 | 20 |
21 page_set = page_sets.JitterPageSet | 21 page_set = page_sets.JitterPageSet |
22 | 22 |
23 def CreateTimelineBasedMeasurementOptions(self): | 23 def CreateTimelineBasedMeasurementOptions(self): |
24 cat_filter = chrome_trace_category_filter.CreateMinimalOverheadFilter() | 24 cat_filter = chrome_trace_category_filter.ChromeTraceCategoryFilter() |
25 cat_filter.AddIncludedCategory(JITTER_CATEGORY) | 25 cat_filter.AddIncludedCategory(JITTER_CATEGORY) |
26 cat_filter.AddIncludedCategory(TIMELINE_REQUIRED_CATEGORY) | 26 cat_filter.AddIncludedCategory(TIMELINE_REQUIRED_CATEGORY) |
27 options = timeline_based_measurement.Options( | 27 options = timeline_based_measurement.Options( |
28 overhead_level=cat_filter) | 28 overhead_level=cat_filter) |
29 options.SetLegacyTimelineBasedMetrics( | 29 options.SetLegacyTimelineBasedMetrics( |
30 [jitter_timeline.JitterTimelineMetric()]) | 30 [jitter_timeline.JitterTimelineMetric()]) |
31 return options | 31 return options |
32 | 32 |
33 @classmethod | 33 @classmethod |
34 def Name(cls): | 34 def Name(cls): |
35 return 'jitter' | 35 return 'jitter' |
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