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Issue metadata

Status: Untriaged
Owner: ----
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression

Blocked on:
issue 865758



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1%-2.7% regression in memory.top_10_mobile at 1531898662:1531923171

Project Member Reported by npm@chromium.org, Jul 19

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=865627

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=de23f1918acd3791774c11655a8b9a541c49793ff07ce7df4724a951c7a7bf03


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

health-plan-clankium-low-end-phone
health-plan-clankium-phone
perf-go-phone-1024
perf-go-phone-512
perf-go-webview-phone

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

Bisect Details
  Configuration: go-webview-phone-perf-bisect
  Benchmark    : memory.top_10_mobile
  Metric       : memory:webview:all_processes:reported_by_os:system_memory:private_dirty_size_avg/background/after_http_m_intl_taobao_com_group_purchase_html
  Change       : 0.00% | 18528307.4286 -> 18528502.4762

Revision                       Result                  N
android-chrome@1032e70048      18528307 +- 222227      21      good
android-chrome@478583399d      18528502 +- 251531      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=http.m.intl.taobao.com.group.purchase.html 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/8940543984709478928


For feedback, file a bug with component Speed>Bisection
Blockedon: 865758

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

Bisect Details
  Configuration: go-phone-512-perf-bisect
  Benchmark    : memory.top_10_mobile
  Metric       : memory:chrome:all_processes:reported_by_os:system_memory:private_footprint_size_avg/foreground/http_en_m_wikipedia_org_wiki_Science
  Change       : 0.18% | 51869013.3333 -> 51959905.5238

Revision                       Result                  N
android-chrome@1032e70048      51869013 +- 401645      21      good
android-chrome@22c1f49355      51959906 +- 408527      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-chrome --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=http.en.m.wikipedia.org.wiki.Science 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/8940472208137244864


For feedback, file a bug with component Speed>Bisection

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