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19.8% regression in blink_perf.parser at 456301:456391 |
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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/8985130084688209984
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Mar 15 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_webview_nexus6_aosp_perf_bisect Benchmark : blink_perf.parser Metric : query-selector-first/query-selector-first Change : 24.17% | 987.502033763 -> 748.83728171 Revision Result N chromium@456300 987.502 +- 16.1408 6 good chromium@456312 1019.13 +- 24.4073 6 good chromium@456318 988.533 +- 10.127 5 good chromium@456321 989.661 +- 16.4383 6 good chromium@456322 987.35 +- 14.4595 6 good chromium@456323 812.124 +- 7.64374 6 bad <-- chromium@456346 757.946 +- 8.37753 6 bad chromium@456391 748.837 +- 33.2028 6 bad To Run This Test src/tools/perf/run_benchmark -v --browser=android-webview --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests blink_perf.parser Debug Info https://chromeperf.appspot.com/buildbucket_job_status/8985130084688209984 Is this bisect wrong? https://chromeperf.appspot.com/bad_bisect?try_job_id=4905954757312512 | 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