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Issue metadata

Status: Duplicate
Owner:
Closed: Jun 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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1.2%-7% regression in system_health.memory_mobile at 474671:474922

Project Member Reported by toyoshim@chromium.org, May 30 2017

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=727472

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDghpa3uAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgxrCCogoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDghpjF-wgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg-sWSvAgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg-pn8jQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDghoG67woM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDghsnLlwgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg-p3WvwsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg-t7OlAgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDghrrBswkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg-q_gsAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDghqyrkggM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg-v-65QkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgxrT4oQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDghsin8ggM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgxpTEuQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg-tfOhAgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg-vX_mQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDghsCv9QsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDghuTzqwkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDghoHwpwsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDghoHwpwkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg-vybmAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDghury5QgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg-rGX6AgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg-qOr8gsM


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

android-nexus5
android-nexus5X
android-nexus6
android-nexus7v2
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, May 30 2017


=== BISECT JOB RESULTS ===
NO Perf regression found

Bisect Details
  Configuration: android_nexus5X_perf_bisect
  Benchmark    : system_health.memory_mobile
  Metric       : memory:chrome:all_processes:reported_by_chrome:malloc:effective_size_avg/browse_shopping/browse_shopping_avito

Revision             Result                    N
chromium@474752      47279749 +- 9516382       21      good
chromium@474857      50131324 +- 11783732      21      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=browse.shopping.avito system_health.memory_mobile

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8978200404896622928

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=6378701966540800


| 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!
Project Member

Comment 5 by 42576172...@developer.gserviceaccount.com, May 30 2017


=== BISECT JOB RESULTS ===
Perf regression found but unable to narrow commit range

Build failures prevented the bisect from narrowing the range further.


Bisect Details
  Configuration: android_nexus5X_perf_bisect
  Benchmark    : system_health.memory_mobile
  Metric       : memory:chrome:all_processes:reported_by_chrome:malloc:effective_size_avg/browse_shopping/browse_shopping_avito
  Change       : 7.66% | 47357157.4286 -> 50983064.2857

Suspected Commit Range
  2 commits in range
  https://chromium.googlesource.com/chromium/src/+log/a283fb63e50aacdb88401e8d1f4b05f15256b705..61b2c92224f1bb6db51b0d7b9a84a08dd451f658


Revision             Result                    N
chromium@474752      47357157 +- 7153997       14       good
chromium@474806      48121424 +- 8372080       14       good
chromium@474831      48528999 +- 11538821      21       good
chromium@474837      48539584 +- 12436898      21       good
chromium@474838      ---                       ---      build failure
chromium@474839      51196442 +- 8752673       14       bad
chromium@474845      51695766 +- 5229073       9        bad
chromium@474857      50983064 +- 10271947      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 --story-filter=browse.shopping.avito system_health.memory_mobile

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8978193423485378784

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=6378701966540800


| 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!
Owner: dcheng@chromium.org
chromium@474837      48539584 +- 12436898      21       good
chromium@474838      ---                       ---      build failure
chromium@474839      51196442 +- 8752673       14       bad

Let me assign dcheng@, author of chromium@474839.
https://chromium.googlesource.com/chromium/src/+/61b2c92224f1bb6db51b0d7b9a84a08dd451f658
Project Member

Comment 8 by 42576172...@developer.gserviceaccount.com, Jun 13 2017

Mergedinto: 727588
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : fdoray
  Commit : 6eb5c1eb647e1709b4b03ae5148f8c03daea03fb
  Date   : Thu May 25 19:51:13 2017
  Subject: Update TaskTraits in v8_platform.cc.

Bisect Details
  Configuration: android_nexus5X_perf_bisect
  Benchmark    : system_health.memory_mobile
  Metric       : memory:chrome:all_processes:reported_by_os:system_memory:native_heap:proportional_resident_size_avg/background_media/background_media_imgur
  Change       : 5.92% | 43692100.0 -> 46279577.3333

Revision             Result                   N
chromium@474000      43692100 +- 627408       6      good
chromium@474500      44188569 +- 887871       6      good
chromium@474750      44077977 +- 698561       6      good
chromium@474758      44042991 +- 1086153      6      good
chromium@474760      43805935 +- 332419       6      good
chromium@474761      43957828 +- 811034       6      good
chromium@474762      45213935 +- 874621       9      bad       <--
chromium@474766      45590937 +- 695471       6      bad
chromium@474782      45508505 +- 576947       6      bad
chromium@474813      45539396 +- 292759       6      bad
chromium@474875      45516868 +- 457893       6      bad
chromium@475000      46279577 +- 895715       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=background.media.imgur system_health.memory_mobile

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8976996027614896176

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=6395857575870464


| 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!

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