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Issue metadata

Status: Duplicate
Merged: issue 725945
Owner: ----
Closed: May 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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1.6%-6.6% regression in system_health.memory_mobile at 473863:474136

Project Member Reported by toyoshim@chromium.org, May 30 2017

Issue description

See the link to graphs below.
 
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, May 30 2017

Mergedinto: 725945
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : danakj
  Commit : 4188df86ebb468a6723b1c5855c75be8e4ae91a3
  Date   : Tue May 23 20:05:29 2017
  Subject: Avoid quickReject() when rastering a cc::DrawingDisplayItem.

Bisect Details
  Configuration: android_nexus7_perf_bisect
  Benchmark    : system_health.memory_mobile
  Metric       : memory:chrome:all_processes:reported_by_chrome:cc:effective_size_avg/browse_tools/browse_tools_maps
  Change       : 6.68% | 65529017.3333 -> 69906052.0

Revision             Result                   N
chromium@473862      65529017 +- 78518.0      6      good
chromium@473994      65533860 +- 107595       6      good
chromium@474011      65512015 +- 63863.2      6      good
chromium@474013      65546809 +- 55051.6      6      good
chromium@474014      69871172 +- 88315.3      6      bad       <--
chromium@474015      69931951 +- 341504       6      bad
chromium@474019      69908868 +- 268640       6      bad
chromium@474027      69935780 +- 314817       6      bad
chromium@474060      69879279 +- 104833       6      bad
chromium@474126      69906052 +- 251783       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=browse.tools.maps system_health.memory_mobile

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8978194847654710800

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5219173136859136


| 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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