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Issue 722184 link

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Issue metadata

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



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97.6% improvement in system_health.memory_mobile at 470446:470497

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=722184

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgqpisvgsM


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

android-webview-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_webview_nexus6_aosp_perf_bisect
  Benchmark    : system_health.memory_mobile
  Metric       : memory:webview:all_processes:reported_by_chrome:gpu:effective_size_avg/browse_shopping/browse_shopping_avito
  Change       : 84.60% | 4681842.28571 -> 720986.666667

Revision             Result                  N
chromium@470445      4681842 +- 6951416      14      good
chromium@470471      5440304 +- 0.0          6       good
chromium@470484      5061073 +- 5116104      14      good
chromium@470488      3923381 +- 8974240      14      good
chromium@470489      5440304 +- 0.0          6       good
chromium@470490      889534 +- 6951416       14      bad       <--
chromium@470491      889534 +- 6951416       14      bad
chromium@470497      720987 +- 5005592       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-webview --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/8979554228188117536

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=6291028337754112


| 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_webview_nexus6_aosp_perf_bisect
  Benchmark    : system_health.memory_mobile
  Metric       : memory:webview:all_processes:reported_by_chrome:gpu:effective_size_avg/browse_shopping/browse_shopping_avito
  Change       : 97.12% | 4555432.0 -> 131072.0

Revision             Result                  N
chromium@470445      4555432 +- 4846644      6      good
chromium@470471      4555432 +- 4846644      6      good
chromium@470484      4555432 +- 4846644      6      good
chromium@470488      5440304 +- 0.0          6      good
chromium@470489      5440304 +- 0.0          6      good
chromium@470490      131072 +- 0.0           6      bad       <--
chromium@470491      131072 +- 0.0           6      bad
chromium@470497      131072 +- 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-webview --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/8979554218139691760

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=6013043558842368


| 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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