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Issue metadata

Status: WontFix
Owner: ----
Closed: Jul 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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1.3% regression in memory.top_10_mobile at 443353:443443

Project Member Reported by nzolghadr@chromium.org, Jan 16 2017

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=681651

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgoMCO7AsM


Bot(s) for this bug's original alert(s):

android-nexus6
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Jan 17 2017


=== BISECT JOB RESULTS ===
Perf regression found but unable to narrow commit range

Build failures prevented the bisect from narrowing the range further.


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_en_m_wikipedia_org_wiki_Science
  Change       : 0.68% | 2883882.0 -> 2903536.66667

Suspected Commit Range
  6 commits in range
  https://chromium.googlesource.com/chromium/src/+log/2135a640a1547f44b62828bac84dc713d39652c6..5db4d106559db54bf67baf7dc6cce91b41dca812


Revision             Result                  N
chromium@443352      2883882 +- 17218.5      6        good
chromium@443398      2877051 +- 3655.94      6        good
chromium@443404      2893189 +- 38912.5      14       good
chromium@443405      ---                     ---      build failure
chromium@443406      ---                     ---      build failure
chromium@443407      ---                     ---      build failure
chromium@443408      ---                     ---      build failure
chromium@443409      ---                     ---      build failure
chromium@443410      2899336 +- 41446.4      14       bad
chromium@443421      2902931 +- 17517.4      6        bad
chromium@443443      2903537 +- 1813.39      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 --story-filter=http.en.m.wikipedia.org.wiki.Science memory.top_10_mobile

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8990282915550459088

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5813487143485440


| 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!
Status: WontFix (was: Untriaged)
This alert was found before M-60 branched. Closing as WontFix as this is believed to either be invalid or non-reproducible.

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