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Issue 795005 link

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Issue metadata

Status: Duplicate
Owner: ----
Closed: Dec 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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3.3%-3.7% regression in memory.top_10_mobile at 523381:523420

Project Member Reported by kraynov@chromium.org, Dec 14 2017

Issue description

See the link to graphs below.
 
Project Member

Comment 1 by 42576172...@developer.gserviceaccount.com, Dec 14 2017

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=795005

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=46be90a853a3d7ede78e0830ab799b8a9558386aab2e88a083893877291c3b03


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

android-webview-nexus5X
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Dec 15 2017

Mergedinto: 794563
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : Yutaka Hirano
  Commit : 47b8f2451e900fe2c5fc4d94046925f40fea2fc7
  Date   : Tue Dec 12 10:52:56 2017
  Subject: Update RendererSideResourceScheduler testing config

Bisect Details
  Configuration: android_webview_arm64_aosp_perf_bisect
  Benchmark    : memory.top_10_mobile
  Metric       : memory:webview:all_processes:reported_by_os:system_memory:native_heap:proportional_resident_size_avg/foreground/https_mobile_twitter_com_justinbieber_skip_interstitial_true
  Change       : 2.96% | 36191341.3333 -> 37457346.6667

Revision             Result                   N
chromium@523380      36191341 +- 1937596      9       good
chromium@523390      36312417 +- 1613320      14      good
chromium@523395      36498200 +- 2138310      14      good
chromium@523396      37527661 +- 870719       6       bad       <--
chromium@523397      37404554 +- 1527210      9       bad
chromium@523398      37487043 +- 814375       6       bad
chromium@523400      37326031 +- 1201341      14      bad
chromium@523420      37457347 +- 634250       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-webview --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=https.mobile.twitter.com.justinbieber.skip.interstitial.true memory.top_10_mobile

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8960213270348270624


For feedback, file a bug with component Speed>Bisection

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