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Issue 722188 link

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Issue metadata

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



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95.7% improvement in system_health.memory_mobile at 470433:470513

Project Member Reported by yhirano@chromium.org, May 15 2017

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=722188

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgqtvxjgkM


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

android-nexus6
Project Member

Comment 4 by 42576172...@developer.gserviceaccount.com, May 15 2017

Mergedinto: 721238
Status: Duplicate (was: Assigned)

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

Suspected Commit
  Author : yhirano
  Commit : 91088a195969f5af61f404c9f02edc622cbe373a
  Date   : Wed May 10 05:49:31 2017
  Subject: Add Field Trial Testing Configuration for MojoLoading

Bisect Details
  Configuration: android_nexus6_perf_bisect
  Benchmark    : system_health.memory_mobile
  Metric       : memory:chrome:all_processes:reported_by_chrome:skia:effective_size_avg/browse_shopping/browse_shopping_avito
  Change       : 79.49% | 15324328.0 -> 3142374.66667

Revision             Result                    N
chromium@470432      15324328 +- 34053402      14      good
chromium@470473      17700054 +- 18393169      6       good
chromium@470483      17704187 +- 18335020      6       good
chromium@470488      17717064 +- 18340611      6       good
chromium@470489      18310932 +- 19265358      6       good
chromium@470490      4260761 +- 18389141       6       bad       <--
chromium@470491      903121 +- 7040.06         6       bad
chromium@470493      901836 +- 0.0             6       bad
chromium@470513      3142375 +- 19011601       9       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/8979554042362352832

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5045319512883200


| 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 15 2017


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

Suspected Commit
  Author : yhirano
  Commit : 91088a195969f5af61f404c9f02edc622cbe373a
  Date   : Wed May 10 05:49:31 2017
  Subject: Add Field Trial Testing Configuration for MojoLoading

Bisect Details
  Configuration: android_nexus6_perf_bisect
  Benchmark    : system_health.memory_mobile
  Metric       : memory:chrome:all_processes:reported_by_chrome:skia:effective_size_avg/browse_shopping/browse_shopping_avito
  Change       : 51.40% | 21065428.4444 -> 10238138.6667

Revision             Result                    N
chromium@470432      21065428 +- 15958.4       9      good
chromium@470473      21081350 +- 164321        9      good
chromium@470483      21688083 +- 3223055       6      good
chromium@470488      21073092 +- 39347.6       6      good
chromium@470489      21067961 +- 11678.5       6      good
chromium@470490      4251935 +- 18353803       6      bad       <--
chromium@470491      894567 +- 52442.1         6      bad
chromium@470493      4252627 +- 18353040       6      bad
chromium@470513      10238139 +- 31497992      9      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/8979554059505529376

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5872743989379072


| 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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