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Issue metadata

Status: Duplicate
Owner: ----
Closed: Jul 27
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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1%-16.1% regression in system_health.memory_mobile at 1532060673:1532138137

Project Member Reported by sullivan@chromium.org, Jul 25

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=867290

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=0b281f34cabd7dee56f23a032fa72cc3914308b340cbdbe5569a7766e8dbcd10


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

health-plan-clankium-phone
perf-go-phone-1024
perf-go-phone-512
Mergedinto: 867291
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : Eric Karl
  Commit : ec3d0d3085e3978e66062b853c0e91aca7721acc
  Date   : Fri Jul 20 00:39:10 2018
  Subject: Alias TransferCacheEntry dumps w/ Skia Textures

Bisect Details
  Configuration: go-phone-1024-perf-bisect
  Benchmark    : system_health.memory_mobile
  Metric       : memory:chrome:all_processes:reported_by_os:system_memory:native_heap:proportional_resident_size_avg/long_running_tools/long_running_tools_gmail-foreground
  Change       : 17.99% | 41883319.1176 -> 49416724.8693

Revision                                       Result                   N
android-chrome@513a55000f                      41883319 +- 823089       6      good
android-chrome@5c668f813d                      41873102 +- 436878       6      good
android-chrome@5c668f813d,chromium@576710      41217484 +- 415100       6      good
android-chrome@5c668f813d,chromium@576723      41454803 +- 407959       6      good
android-chrome@5c668f813d,chromium@576724      49358129 +- 551286       6      bad       <--
android-chrome@5c668f813d,chromium@576725      49140661 +- 598444       6      bad
android-chrome@5c668f813d,chromium@576726      48811537 +- 1022349      6      bad
android-chrome@5c668f813d,chromium@576729      49212232 +- 702504       6      bad
android-chrome@5c668f813d,chromium@576735      48728193 +- 601661       6      bad
android-chrome@5c668f813d,chromium@576760      49372418 +- 250465       6      bad
android-chrome@509bb96b3f                      49102912 +- 587429       6      bad
android-chrome@6d381728ac                      49656536 +- 415397       6      bad
android-chrome@4b2d10c2ac                      49416725 +- 485007       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-chrome --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=long.running.tools.gmail.foreground 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/8940070215029668688


For feedback, file a bug with component Speed>Bisection

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