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Issue metadata

Status: Duplicate
Merged: issue 692932
Owner: ----
Closed: Mar 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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1%-9.8% regression in system_health.memory_mobile at 450285:450552

Project Member Reported by sullivan@chromium.org, Mar 1 2017

Issue description

Split off from  bug 692932  because I think these have a different root cause than the v8 regressions.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=697410

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg2Jnn4AgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg2MGy5QgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguL-w6wgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg2M_D7AgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg2J-V8ggM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguNTI8ggM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg-ID-igkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguKKaoQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguJmUqAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguK3lsQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg-NWPswkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguIGWtAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg2IuhtAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguMGFtgkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguKimuAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguJiruQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguIKfvQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguMT75AkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguNz5iAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguOKJowoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg-PDwpAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguIzirgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguIy9sAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg-KegsQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg-Nf1sgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguN3muAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguOaSvgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg-JzCvwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguNCw4QoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguKTe4goM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguP6Q5goM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguPrUpAsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg2M_DrAsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguKjosAsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguJnX_QsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDghL2VswkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDghIzAqwoM


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

android-nexus5
android-nexus6
android-nexus7v2
android-one
android-webview-nexus5X
Mergedinto: 692932
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : csharrison
  Commit : bd80f2b1e755bce061294a2ecb8a28b988c9a30a
  Date   : Tue Feb 14 16:47:00 2017
  Subject: [LazyParseCSS] Add field trial configs for testing

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/load_social/load_social_pinterest
  Change       : 9.33% | 50520969.3333 -> 55236318.6667

Revision             Result                   N
chromium@450360      50520969 +- 501707       6      good
chromium@450380      50633951 +- 1361865      6      good
chromium@450381      55482591 +- 791051       6      bad       <--
chromium@450382      55280521 +- 290017       6      bad
chromium@450383      55204063 +- 229425       6      bad
chromium@450385      55515700 +- 1336850      6      bad
chromium@450390      55307487 +- 629630       6      bad
chromium@450399      55326601 +- 463940       6      bad
chromium@450438      55236319 +- 301899       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=load.social.pinterest system_health.memory_mobile

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8986325315087465264

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5520446901977088


| 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!
Labels: Performance-Memory
Labels: -Performance-Memory

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