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Issue 690646 link

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Issue metadata

Status: WontFix
Owner:
Traveling - Back 2/6
Closed: Feb 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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A zero-to-nonzero to 4.9% regression in memory.top_10_mobile at 449080:449196

Project Member Reported by briander...@chromium.org, Feb 9 2017

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=690646

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg6JmtsAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgmNrSqgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgmNC3ogoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgmLy-swoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg6PfiogoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgmM6asgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgmLDIswoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgmM7-qwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgmLylqgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg6PO7uQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg6JnbqQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgmPWCtgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg6IugpAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgmM6asgkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg6IvUtQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg6Pe2swoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgmInZtgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgmNqOuwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgmLDcqgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgmPXmrwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgmImDrwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg6PepqgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgmImXvgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg6IvKrAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgmLzTuwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgmMmIoAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg6NnAuAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgmLzPpgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgmMnssQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgmLCGuwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgmMn6qAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgmLCRpgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgmLy-swkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgmM7-qwkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg6PfduwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgmPHrowkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg6IuevQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgmMmhuQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgmPyYtwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg6PfHpgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgmLD1twoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgmOSBsQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgmMm1pAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgmMnLtQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgmMnfrAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgmKmEvQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgmM7lugoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgmNqZpgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgmM6zpwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgmKmSogoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgmM6vtgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg6NmUpQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgmPzxoQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg6I-QtwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgmOSVqAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgmNr9twoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgmPztsAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg6NmKtAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgmPXxvgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgmLDrrgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgmKn2swoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgmK7YrwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg6I-MrgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg6I_qvwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg6IuFogoM


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

android-nexus6
Status: WontFix (was: Untriaged)
Just a blip back to previous numbers earlier in the day.
Project Member

Comment 4 by 42576172...@developer.gserviceaccount.com, Feb 10 2017

Cc: nyquist@chromium.org
Owner: nyquist@chromium.org

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

Hi nyquist@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 : nyquist
  Commit : 0e1252cce0bae1c59bfd1c1c998f8206258b3123
  Date   : Wed Feb 08 23:09:26 2017
  Subject: Revert of [Omaha] Make the whole pipeline run each time (patchset #4 id:60001 of https://codereview.chromium.org/2665133005/ )

Bisect Details
  Configuration: android_nexus6_perf_bisect
  Benchmark    : memory.top_10_mobile
  Metric       : memory:chrome:all_processes:reported_by_chrome:skia:effective_size_avg/foreground/http_search_yahoo_com_search__ylt_p_google

Revision             Result             N
chromium@449079      0.0 +- 0.0         6      good
chromium@449109      0.0 +- 0.0         6      good
chromium@449124      0.0 +- 0.0         7      good
chromium@449126      0.0 +- 0.0         5      good
chromium@449127      182764 +- 0.0      6      bad       <--
chromium@449128      182764 +- 0.0      6      bad
chromium@449131      182764 +- 0.0      6      bad
chromium@449138      182764 +- 0.0      6      bad
chromium@449196      182764 +- 0.0      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 memory.top_10_mobile

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8988099202578537008

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5860741162205184


| O O | Visit http://www.chromium.org/developers/speed-infra/perf-bug-faq
|  X  | for more information addressing perf regression bugs. For feedback,
| / \ | file a bug with component Speed>Bisection.  Thank you!
I agree with brianderson@ that there's nothing to do here.
Labels: Performance-Memory

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