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Issue metadata

Status: Duplicate
Merged: issue 715266
Owner: ----
Closed: Apr 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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2.7%-9% regression in memory.top_10_mobile_stress at 466826:466922

Project Member Reported by rmcilroy@chromium.org, Apr 27 2017

Issue description

See the link to graphs below.
 
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Apr 27 2017

Mergedinto: 715266
Status: Duplicate (was: Untriaged)

=== BISECT JOB RESULTS ===
Perf regression found with culprit

Suspected Commit
  Author : dgozman
  Commit : 3b36efad6b17e10ae243a8668528aae310a312da
  Date   : Mon Apr 24 23:47:21 2017
  Subject: [DevTools] Consolidate overlay-related functionality in Overlay domain

Bisect Details
  Configuration: android_nexus6_perf_bisect
  Benchmark    : memory.top_10_mobile
  Metric       : memory:chrome:all_processes:reported_by_chrome:v8:effective_size_avg/background/after_http_search_yahoo_com_search__ylt_p_google
  Change       : 8.94% | 2994982.0 -> 3262631.33333

Revision             Result                  N
chromium@466825      2994982 +- 19993.5      6      good
chromium@466826      3263877 +- 13463.7      6      bad       <--
chromium@466827      3269784 +- 21146.1      6      bad
chromium@466828      3264027 +- 33598.7      6      bad
chromium@466830      3266959 +- 15177.7      6      bad
chromium@466834      3263015 +- 22407.1      6      bad
chromium@466842      3255293 +- 21947.6      6      bad
chromium@466859      3260767 +- 20290.3      6      bad
chromium@466892      3262631 +- 2092.92      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

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8981169791905973440

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5032628639498240


| 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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