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Issue 747609 link

Starred by 1 user

Issue metadata

Status: WontFix
Owner:
Last visit > 30 days ago
Closed: Aug 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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1.1%-2.4% regression in memory.top_10_mobile at 485907:485998

Project Member Reported by benhenry@google.com, Jul 21 2017

Issue description

See the link to graphs below.
 
Project Member

Comment 1 by 42576172...@developer.gserviceaccount.com, Jul 21 2017

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=747609

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=f16a8baa7bccbc64d215b5a159c2a649b7a78f58aea295d5c97cc664fbbaeaf8


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

android-nexus5X
android-nexus7v2
android-one
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Jul 22 2017

Cc: nicho...@chromium.org
Owner: nicho...@chromium.org

=== Auto-CCing suspected CL author nicholss@chromium.org ===

Hi nicholss@chromium.org, the bisect results pointed to your CL, please take a look at the
results.


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

Suspected Commit
  Author : Scott Nichols
  Commit : f86db8acb761e9e3fa512484662db71839160cdd
  Date   : Wed Jul 12 14:34:55 2017
  Subject: This makes "remember my pin" checkbox work.

Bisect Details
  Configuration: android_nexus5X_perf_bisect
  Benchmark    : memory.top_10_mobile
  Metric       : memory:chrome:all_processes:reported_by_os:system_memory:private_dirty_size_avg/background/after_https_mobile_twitter_com_justinbieber_skip_interstitial_true
  Change       : 1.94% | 57274578.8571 -> 58387521.1429

Revision             Result                   N
chromium@485906      57274579 +- 3994014      14      good
chromium@485929      57373761 +- 1784718      14      good
chromium@485937      55844909 +- 6037525      9       good
chromium@485942      55678013 +- 7818040      14      good
chromium@485944      56174410 +- 5620547      9       good
chromium@485945      55218382 +- 7440313      14      good
chromium@485946      58387521 +- 4216695      14      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 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/8973419216206272512


For feedback, file a bug with component Speed>Bisection
Project Member

Comment 4 by sheriffbot@chromium.org, Jul 24 2017

Labels: Hotlist-Google
Status: WontFix (was: Untriaged)

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