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Issue 855455 link

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Issue metadata

Status: WontFix
Owner: ----
Closed: Jun 2018
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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1.2%-1.7% regression in system_health.memory_mobile at 1529463543:1529473447

Project Member Reported by alexclarke@chromium.org, Jun 22 2018

Issue description

See the link to graphs below.
 
Project Member

Comment 1 by 42576172...@developer.gserviceaccount.com, Jun 22 2018

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=855455

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=c9a42d74ca68cc13da2c36650821fce957875c70885cf6dbcc462a8dab158b55


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

health-plan-webview-low-end-phone
health-plan-webview-phone
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Jun 23 2018


=== BISECT JOB RESULTS ===
Bisect was unable to run to completion

Error: INFRA_FAILURE

The bisect was able to narrow the range, you can try running with:
  good_revision: 47fcf3ca132b83abc86b21fc417d3c8e728d47fa
  bad_revision : 9c8741fa115cf0a443b9d664330fa821973a834a

If failures persist contact the team (see below) and report the error.


Bisect Details
  Configuration: webview-phone-perf-bisect
  Benchmark    : system_health.memory_mobile
  Metric       : memory:webview:all_processes:reported_by_chrome:malloc:allocated_objects_size_avg/load_media/load_media_google_images
  Change       : 2.33% | 65556321.3333 -> 67083861.3333

Revision                                       Result                  N
android-chrome@009b09f963                      65556321 +- 211236      6      good
android-chrome@009b09f963,chromium@568439      66094799 +- 185869      6      good
android-chrome@009b09f963,chromium@568482      65765324 +- 330421      6      good
android-chrome@009b09f963,chromium@568488      67081487 +- 181044      6      bad
android-chrome@009b09f963,chromium@568493      66966517 +- 357503      6      bad
android-chrome@009b09f963,chromium@568503      66989788 +- 169788      6      bad
android-chrome@009b09f963,chromium@568524      66981077 +- 193025      6      bad
android-chrome@6d7cb80987                      67083861 +- 238360      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=load.media.google.images 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/8943022166804217536


For feedback, file a bug with component Speed>Bisection
Status: WontFix (was: Untriaged)
Something landed and was reverted, closing.

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