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Issue metadata

Status: Duplicate
Merged: issue 747890
Owner: ----
Closed: Jul 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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1.6% regression in system_health.memory_mobile at 488347:488487

Project Member Reported by hjd@google.com, Jul 24 2017

Issue description

See the link to graphs below.
 
Project Member

Comment 1 by 42576172...@developer.gserviceaccount.com, Jul 24 2017

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=747906

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=395c5ee3f10b101e7916b9b0e1a54d9729dce01862160d994ccc9b44b13b4bfe


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

android-nexus6
Project Member

Comment 3 by sheriffbot@chromium.org, Jul 24 2017

Labels: Hotlist-Google
Project Member

Comment 4 by 42576172...@developer.gserviceaccount.com, Jul 24 2017

Mergedinto: 747890
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : Anton Vayvod
  Commit : 09fa66e1baaa95d069bbd6620670311ae8aa4dc5
  Date   : Thu Jul 20 23:02:12 2017
  Subject: [RemotePlayback] Add media source info to the RemotePlayback availability url

Bisect Details
  Configuration: android_nexus6_perf_bisect
  Benchmark    : system_health.memory_mobile
  Metric       : memory:chrome:all_processes:reported_by_os:system_memory:java_heap:proportional_resident_size_avg/browse_tools/browse_tools_maps
  Change       : 1.30% | 21230364.4444 -> 21505706.6667

Revision             Result                  N
chromium@488346      21230364 +- 306851      9       good
chromium@488417      21216256 +- 301717      6       good
chromium@488452      21209429 +- 516486      9       good
chromium@488461      21333577 +- 410852      14      good
chromium@488464      21318656 +- 367729      14      good
chromium@488465      21543117 +- 214593      5       bad       <--
chromium@488466      21477815 +- 663433      21      bad
chromium@488470      21565586 +- 459206      14      bad
chromium@488487      21505707 +- 208588      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

More information on addressing performance regressions:
  http://g.co/ChromePerformanceRegressions

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8973191107563564768


For feedback, file a bug with component Speed>Bisection

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