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150.8% regression in page_cycler_v2.intl_hi_ru at 456334:456379 |
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Issue descriptionSee the link to graphs below.
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Mar 15 2017
Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8985030945851976032
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Mar 16 2017
=== BISECT JOB RESULTS === Perf regression found but unable to narrow commit range Build failures prevented the bisect from narrowing the range further. Bisect Details Configuration: linux_perf_bisect Benchmark : page_cycler_v2.intl_hi_ru Metric : timeToFirstMeaningfulPaint_avg/pcv1-warm/http___www.rambler.ru_ Change : 85.52% | 35.6126428572 -> 66.0692142858 Suspected Commit Range 2 commits in range https://chromium.googlesource.com/chromium/src/+log/a15fea4b2a0062f98fa2c7b446dfa4035e7231c9..5511a0c795fe5e5455edfac0cc2c2c9efa27163b Revision Result N chromium@456333 35.6126 +- 21.1122 14 good chromium@456356 34.9161 +- 18.6623 9 good chromium@456362 31.9976 +- 22.0111 14 good chromium@456363 46.5275 +- 91.3689 14 good chromium@456363,catapult@267012ae74 --- --- build failure chromium@456364 62.5564 +- 99.6817 14 bad chromium@456365 79.1664 +- 59.3307 9 bad chromium@456368 75.0716 +- 92.1006 14 bad chromium@456379 66.0692 +- 94.9957 14 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=http...www.rambler.ru. page_cycler_v2.intl_hi_ru Debug Info https://chromeperf.appspot.com/buildbucket_job_status/8985030945851976032 Is this bisect wrong? https://chromeperf.appspot.com/bad_bisect?try_job_id=5668522778165248 | 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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Mar 16 2017
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Comment 1 by nzolghadr@chromium.org
, Mar 15 2017