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1.5%-3.7% regression in memory.top_10_mobile at 460776:460828 |
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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/8983135241855626912
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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_nexus6_perf_bisect Benchmark : memory.top_10_mobile Metric : memory:chrome:all_processes:reported_by_os:system_memory:native_heap:proportional_resident_size_avg/background/after_http_m_youtube_com_results_q_science Change : 2.61% | 37252988.4444 -> 38223968.0 Revision Result N chromium@460775 37252988 +- 1683803 9 good chromium@460802 37062978 +- 2555080 9 good chromium@460815 36822451 +- 1854735 9 good chromium@460819 37254923 +- 1418860 9 good chromium@460820 37095405 +- 1377142 9 good chromium@460821 38194433 +- 2512034 14 bad <-- chromium@460822 38534241 +- 1185326 9 bad chromium@460828 38223968 +- 1708203 9 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 Debug Info https://chromeperf.appspot.com/buildbucket_job_status/8983135241855626912 Is this bisect wrong? https://chromeperf.appspot.com/bad_bisect?try_job_id=4541797113528320 | 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