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2.2%-100% regression in media.tough_video_cases_tbmv2 at 482279:482486 |
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Issue descriptionThese 96 alerts look valid. There are 382 other alerts in two groups (106+276) which have regression ranges that intersect thse 96's range, so I expect likely duplication upon successful bisection of these ~478 alerts.
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Jun 28 2017
Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8975530248238980608
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Jun 28 2017
Potential duplicates (similar regression range and metrics): bug 737601 , bug 737596
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Jun 28 2017
Looks like I hit the button twice on slow UI and 2 identical bugs got filed. The other one is bug 737598 .
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Jun 28 2017
Issue 737598 has been merged into this issue.
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Jun 28 2017
=== BISECT JOB RESULTS === Perf regression found with culprit Suspected Commit Author : Marc Treib Commit : 6fb10fe065b1cfe4c4aa691c31c03e7387a72d40 Date : Mon Jun 26 18:39:55 2017 Subject: Fieldtrial testing config for CaptureThumbnailOnLoadFinished Bisect Details Configuration: mac_10_12_perf_bisect Benchmark : media.tough_video_cases_tbmv2 Metric : memory:chrome:browser_process:reported_by_chrome:gpu:effective_size_avg/video.html?src_garden2_10s.webm Change : 100.00% | 4194240.0 -> 8388480.0 Revision Result N chromium@482287 4194240 +- 0.0 6 good chromium@482328 4194240 +- 0.0 6 good chromium@482334 4194240 +- 0.0 6 good chromium@482335 4194240 +- 0.0 6 good chromium@482336 8388480 +- 0.0 6 bad <-- chromium@482337 8388480 +- 0.0 6 bad chromium@482339 8388480 +- 0.0 6 bad chromium@482349 8388480 +- 0.0 6 bad chromium@482369 8388480 +- 0.0 6 bad chromium@482451 8388480 +- 0.0 6 bad To Run This Test src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=video.html.src.garden2.10s.webm media.tough_video_cases_tbmv2 Debug Info https://chromeperf.appspot.com/buildbucket_job_status/8975530248238980608 Is this bisect wrong? https://chromeperf.appspot.com/bad_bisect?try_job_id=5627956262600704 | 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 wolenetz@chromium.org
, Jun 28 2017