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1.3%-363.1% regression in smoothness.sync_scroll.key_mobile_sites_smooth at 464710:464724 |
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Issue descriptionLooks like there's a 5 CL range where something went very wrong.
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Apr 17 2017
Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8982028948892733200
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Apr 18 2017
=== BISECT JOB RESULTS === Perf regression found with culprit Suspected Commit Author : nednguyen Commit : 9a1915060877f610870645a720d8d6eb177d0a0e Date : Fri Apr 14 11:50:07 2017 Subject: Revert of Convert android to use X509CertificateBytes instead of X509CertificateOpenSSL. (patchset #9 id:160001 of https://codereview.chromium.org/2786173003/ ) Bisect Details Configuration: android_nexus6_perf_bisect Benchmark : memory.top_10_mobile_stress Metric : memory:chrome:all_processes:reported_by_chrome:v8:effective_size_avg/foreground/https_www_google_co_uk_hl_en_q_science Change : 342.56% | 3098078.0 -> 13710806.6667 Revision Result N chromium@464713 3098078 +- 2265.67 6 good chromium@464714 3098348 +- 2037.53 6 good chromium@464715 13673091 +- 219650 6 bad <-- chromium@464716 13595527 +- 397406 6 bad chromium@464719 13710807 +- 129897 6 bad Please refer to the following doc on diagnosing memory regressions: https://chromium.googlesource.com/chromium/src/+/master/docs/memory-infra/memory_benchmarks.md 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 memory.top_10_mobile_stress Debug Info https://chromeperf.appspot.com/buildbucket_job_status/8982028948892733200 Is this bisect wrong? https://chromeperf.appspot.com/bad_bisect?try_job_id=5857267158614016 | 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 benhenry@google.com
, Apr 17 2017