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Issue metadata

Status: Duplicate
Merged: issue 681663
Owner: ----
Closed: Jan 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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1.2% regression in system_health.memory_mobile at 443543:443606

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=681660

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgoPe8qgoM


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

android-nexus5
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Jan 16 2017

Mergedinto: 681663
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : benwells
  Commit : b3c6a28850a816162c59526005665c683ca42308
  Date   : Fri Jan 13 14:13:45 2017
  Subject: Show the search geolocation disclosure from geolocation API use.

Bisect Details
  Configuration: android_nexus5_perf_bisect
  Benchmark    : system_health.memory_mobile
  Metric       : memory:chrome:all_processes:reported_by_os:gpu_memory:proportional_resident_size_avg/load_tools/load_tools_maps
  Change       : 1.17% | 114920594.286 -> 116269966.222

Revision             Result                    N
chromium@443542      114920594 +- 2872036      14      good
chromium@443550      115007195 +- 2389997      14      good
chromium@443552      115069383 +- 1727575      9       good
chromium@443553      116489785 +- 1750871      9       bad       <--
chromium@443554      116434261 +- 1714860      9       bad
chromium@443558      116311479 +- 2866923      14      bad
chromium@443574      116348928 +- 1667507      6       bad
chromium@443606      116269966 +- 2290281      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.tools.maps system_health.memory_mobile

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8990282563015668032

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5844884965031936


| 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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