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2.2% regression in system_health.memory_mobile at 442254:442435 |
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Issue descriptionSee the link to graphs below.
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Jan 16 2017
Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8990298001002414720
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Jan 16 2017
Bisect failed: http://build.chromium.org/p/tryserver.chromium.perf/builders/android_nexus5_perf_bisect/builds/4547 Failure reason: the build has failed due to infrastructure failure.
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Jan 17 2017
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Jan 17 2017
Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8990191180103306288
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Jan 17 2017
=== BISECT JOB RESULTS === Perf regression found with culprit Suspected Commit Author : mvstanton Commit : 38602f1ff553b32815d34a05cd6d965f4fc20960 Date : Mon Jan 09 15:31:00 2017 Subject: [FeedbackVector] Infrastructure for literal arrays in the vector. Bisect Details Configuration: android_nexus5_perf_bisect Benchmark : system_health.memory_mobile Metric : memory:chrome:all_processes:reported_by_chrome:v8:effective_size_avg/load_search/load_search_taobao Change : 1.39% | 5333241.33333 -> 5407566.22222 Revision Result N chromium@442253 5333241 +- 352674 9 good chromium@442299 5249244 +- 435790 6 good chromium@442311 5255173 +- 417242 6 good chromium@442312 5374850 +- 3738.0 6 good chromium@442312,v8@e7fc42796c 5310575 +- 354328 6 good chromium@442312,v8@38602f1ff5 5450665 +- 51583.3 6 bad <-- chromium@442313 5446619 +- 87516.3 6 bad chromium@442314 5458631 +- 70340.5 6 bad chromium@442317 5440833 +- 65544.6 6 bad chromium@442322 5409183 +- 373272 9 bad chromium@442344 5459529 +- 4709.59 6 bad chromium@442435 5407566 +- 385084 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 --story-filter=load.search.taobao system_health.memory_mobile Debug Info https://chromeperf.appspot.com/buildbucket_job_status/8990191180103306288 Is this bisect wrong? https://chromeperf.appspot.com/bad_bisect?try_job_id=6399404300304384 | 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 Tests>AutoBisect. Thank you! |
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Comment 1 by nzolghadr@chromium.org
, Jan 16 2017