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Issue 866393 link

Starred by 1 user
Status: Duplicate
Merged: issue 864974
Owner: ----
Closed: Jul 23
Cc:
mlippautz@chromium.org
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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3.6%-11.6% regression in system_health.memory_mobile at 1531808220:1531887020

Project Member Reported by mlippautz@chromium.org, Jul 23 
See the link to graphs below.
Project Member

Comment 1 by 42576172...@developer.gserviceaccount.com, Jul 23 

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=866393

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=3e6816bde64b7e1bfb19a92d17070145af85e3706c49a790e325234f7a102ab4


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

health-plan-clankium-low-end-phone
health-plan-webview-low-end-phone
perf-go-phone-1024
perf-go-webview-phone
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Jul 23 


=== BISECT JOB RESULTS ===
NO Perf regression found

Bisect Details
  Configuration: go-webview-phone-perf-bisect
  Benchmark    : system_health.memory_mobile
  Metric       : memory:webview:all_processes:reported_by_chrome:v8:effective_size_avg/background_search/background_search_google
  Change       : 2.67% | 7254968.19048 -> 7448546.85714

Revision                       Result                 N
android-chrome@0c10befa36      7254968 +- 715475      21      good
android-chrome@21eb56d664      7448547 +- 513708      21      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=background.search.google 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/8940223171021241984


For feedback, file a bug with component Speed>Bisection
Project Member

Comment 5 by 42576172...@developer.gserviceaccount.com, Jul 23

Mergedinto: 864974
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : Frank Tang
  Commit : 02fe0c2477e1589a9d0df688f6f1be1322d0d306
  Date   : Mon Jul 16 18:37:25 2018
  Subject: [Intl] Plumb through locale and options from Array#toLocaleString

Bisect Details
  Configuration: webview-low-end-phone-perf-bisect
  Benchmark    : system_health.memory_mobile
  Metric       : memory:webview:all_processes:reported_by_chrome:v8:effective_size_avg/background_search/background_search_google
  Change       : 6.98% | 6706820.28571 -> 7191136.28571

Revision                                                     Result                  N
android-chrome@3be694fa46                                    6706820 +- 90992.9      14      good
android-chrome@79cd82244a                                    6829190 +- 270015       21      good
android-chrome@79cd82244a,chromium@575459                    6744035 +- 263147       9       good
android-chrome@79cd82244a,chromium@575465                    6765843 +- 262500       9       good
android-chrome@79cd82244a,chromium@575466                    6653491 +- 104985       6       good
android-chrome@79cd82244a,chromium@575466,v8@02fe0c2477      7205147 +- 101079       6       bad       <--
android-chrome@79cd82244a,chromium@575466,v8@66a2db59c1      7254991 +- 123991       6       bad
android-chrome@79cd82244a,chromium@575467                    7241749 +- 107637       9       bad
android-chrome@79cd82244a,chromium@575468                    7294317 +- 122930       9       bad
android-chrome@79cd82244a,chromium@575471                    7287981 +- 149966       6       bad
android-chrome@a84cb2f7c2                                    7191136 +- 101479       14      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=background.search.google 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/8940210600521798336


For feedback, file a bug with component Speed>Bisection
►

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