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Issue metadata

Status: Duplicate
Merged: issue 731880
Owner: ----
Closed: Jun 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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1.3%-14.6% regression in system_health.memory_mobile at 477818:477943

Project Member Reported by alexclarke@chromium.org, Jun 12 2017

Issue description

See the link to graphs below.
 
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Jun 12 2017

Mergedinto: 731880
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : Alex Clarke
  Commit : cfd4fb5bd56f9e0f98668471a21f7f720cd5c311
  Date   : Thu Jun 08 10:26:12 2017
  Subject: Pause virtual time until provisional navigations are committed

Bisect Details
  Configuration: android_webview_nexus6_aosp_perf_bisect
  Benchmark    : system_health.memory_mobile
  Metric       : memory:webview:all_processes:reported_by_os:system_memory:proportional_resident_size_avg/browse_shopping/browse_shopping_avito
  Change       : 10.14% | 100955313.333 -> 111188714.222

Revision             Result                     N
chromium@477931      100955313 +- 20117475      9      good
chromium@477934      99288071 +- 1323953        6      good
chromium@477935      115954183 +- 22429862      6      bad       <--
chromium@477936      119956828 +- 20391250      6      bad
chromium@477937      119337820 +- 18454214      6      bad
chromium@477943      111188714 +- 27362742      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-webview --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=browse.shopping.avito system_health.memory_mobile

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8977001979992114544

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=6399438102200320


| 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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