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23% regression in media.android.tough_video_cases at 455069:455113 |
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Issue descriptionSee the link to graphs below.
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Mar 8 2017
Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8985647742349512800
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Mar 9 2017
=== BISECT JOB RESULTS === Perf regression found with culprit Suspected Commit Author : pdr Commit : a20ad732333dc9db2b545886acd16a11abdc5842 Date : Tue Mar 07 17:11:15 2017 Subject: Remove indirection: setup scrollbar scroll layers in the scrollbar constructor Bisect Details Configuration: android_nexus5X_perf_bisect Benchmark : media.android.tough_video_cases Metric : cpu_utilization/tulip2.ogv_browser Change : 28.68% | 2.38632876339 -> 3.07062026274 Revision Result N chromium@455068 2.38633 +- 0.329945 6 good chromium@455091 2.3058 +- 0.380137 6 good chromium@455102 2.46164 +- 0.42526 6 good chromium@455104 2.25293 +- 0.311077 6 good chromium@455105 3.09352 +- 0.464856 6 bad <-- chromium@455108 3.17146 +- 0.430103 6 bad chromium@455113 3.07062 +- 0.162579 6 bad To Run This Test src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests media.android.tough_video_cases Debug Info https://chromeperf.appspot.com/buildbucket_job_status/8985647742349512800 Is this bisect wrong? https://chromeperf.appspot.com/bad_bisect?try_job_id=5302915901685760 | O O | Visit http://www.chromium.org/developers/speed-infra/perf-bug-faq | X | for more information addressing perf regression bugs. For feedback, | / \ | file a bug with component Speed>Bisection. Thank you! |
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Comment 1 by liberato@google.com
, Mar 8 2017