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Issue 766566 link

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Issue metadata

Status: Duplicate
Merged: issue 766571
Owner: ----
Closed: Sep 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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1.1%-4.6% regression in system_health.memory_mobile at 502043:502459

Project Member Reported by alexclarke@chromium.org, Sep 19 2017

Issue description

See the link to graphs below.
 
Project Member

Comment 1 by 42576172...@developer.gserviceaccount.com, Sep 19 2017

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=766566

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=8263bf3ef4903a72bc3e215e1eb60640115083725c7b8411b1c97affa8d58550


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

android-nexus5
android-one
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Sep 19 2017

Mergedinto: 766571
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : Primiano Tucci
  Commit : fde1f92076efb79d66d242e5bcdff09f6b91e09e
  Date   : Fri Sep 15 17:30:19 2017
  Subject: memory-infra: Send ProcessMemoryDumps to the service

Bisect Details
  Configuration: android_one_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       : 5.42% | 28818937.6405 -> 30380039.1373

Revision             Result                   N
chromium@502042      28818938 +- 257733       6      good
chromium@502181      28892341 +- 526828       6      good
chromium@502250      28877226 +- 602466       6      good
chromium@502285      28840696 +- 574475       6      good
chromium@502294      28694125 +- 583875       6      good
chromium@502295      28720376 +- 541929       6      good
chromium@502296      30529374 +- 1424494      6      bad       <--
chromium@502298      30718744 +- 1008510      6      bad
chromium@502302      30356779 +- 708355       6      bad
chromium@502319      30380039 +- 1116565      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-chromium --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/8968030549834283808


For feedback, file a bug with component Speed>Bisection

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