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1%-3.2% regression in memory.top_10_mobile at 460776:460841 |
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Issue descriptionSee the link to graphs below.
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Apr 5 2017
Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8983144468392096192
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Apr 6 2017
=== BISECT JOB RESULTS === Perf regression found with culprit Suspected Commit Author : tzik Commit : e5de8d551e80115b21e0e3ca7d5451d3cee6f3ba Date : Thu Mar 30 18:05:46 2017 Subject: Clear PostTaskAndReply task on the destination thread Bisect Details Configuration: android_webview_nexus6_aosp_perf_bisect Benchmark : memory.top_10_mobile Metric : memory:webview:all_processes:reported_by_chrome:malloc:effective_size_avg/background/after_http_m_intl_taobao_com_group_purchase_html Change : 2.94% | 35937335.3333 -> 36994380.0 Revision Result N chromium@460818 35937335 +- 679373 6 good chromium@460820 36159851 +- 525177 6 good chromium@460821 36856557 +- 1183138 9 bad <-- chromium@460824 37091631 +- 932509 6 bad chromium@460830 36890371 +- 509808 6 bad chromium@460841 36994380 +- 1211047 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-webview --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests memory.top_10_mobile Debug Info https://chromeperf.appspot.com/buildbucket_job_status/8983144468392096192 Is this bisect wrong? https://chromeperf.appspot.com/bad_bisect?try_job_id=5527454258561024 | 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 pmeenan@chromium.org
, Apr 5 2017