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Issue 782801 link

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Issue metadata

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



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40.9% regression in system_health.memory_mobile at 514292:514432

Project Member Reported by rmcilroy@chromium.org, Nov 8 2017

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=782801

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=a7f93e66aec273c4021b640fb7b84d5c21dbc6ae46baefa0455f09de4c15aaaf


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

android-webview-nexus6

=== BISECT JOB RESULTS ===
Perf regression found but unable to continue

Bisect was stopped because a commit couldn't be classified as either
good or bad.


Bisect Details
  Configuration: android_webview_nexus6_aosp_perf_bisect
  Benchmark    : system_health.memory_mobile
  Metric       : memory:webview:all_processes:reported_by_os:system_memory:java_heap:proportional_resident_size_avg/load_tools/load_tools_weather

Revision             Result                  N
chromium@514291      4625627 +- 1145519      14      good
chromium@514308      5437391 +- 4454188      21      good
chromium@514318      5463333 +- 3461349      14      good
chromium@514322      5333431 +- 4342097      21      good
chromium@514324      5638875 +- 3885434      21      unknown
chromium@514326      5584262 +- 4322202      21      bad
chromium@514362      5366930 +- 3415797      14      bad
chromium@514432      5782187 +- 1643886      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.tools.weather 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/8963468590257474112


For feedback, file a bug with component Speed>Bisection
Status: WontFix (was: Untriaged)
This recovered.

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