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38% regression in blink_perf.dom at 456321:456328 |
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Issue descriptionSee the link to graphs below.
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Mar 14 2017
Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8985138475243007424
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Mar 14 2017
=== BISECT JOB RESULTS === Perf regression found with culprit Suspected Commit Author : meade Commit : 3a001533b29c0fe28f2354285b2c2ac8d57d8ce6 Date : Mon Mar 13 05:26:20 2017 Subject: Un-DCHECK-guard ThreadRestrictionVerifier for strings. Bisect Details Configuration: android_one_perf_bisect Benchmark : blink_perf.dom Metric : modify-element-title/modify-element-title Change : 40.16% | 1524.65188889 -> 2136.98575 Revision Result N chromium@456320 1524.65 +- 95.5736 9 good chromium@456322 1489.76 +- 58.7018 6 good chromium@456323 2116.27 +- 51.656 6 bad <-- chromium@456324 2146.29 +- 53.7619 6 bad chromium@456328 2136.99 +- 16.9692 4 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 blink_perf.dom Debug Info https://chromeperf.appspot.com/buildbucket_job_status/8985138475243007424 Is this bisect wrong? https://chromeperf.appspot.com/bad_bisect?try_job_id=5230697972760576 | 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 nzolghadr@chromium.org
, Mar 14 2017