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Issue metadata

Status: Duplicate
Merged: issue 694045
Owner:
Closed: Feb 2017
Components:
EstimatedDays: ----
NextAction: ----
OS: All
Pri: 1
Type: Bug-Regression



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8.6%-1589% regression in service_worker.service_worker_micro_benchmark at 450896:451015

Project Member Reported by falken@chromium.org, Feb 19 2017

Issue description

See the link to graphs below.
 

Comment 3 by falken@chromium.org, Feb 19 2017

Cc: -falken@chromium.org
Components: Blink>ServiceWorker
Labels: Performance OS-All
Owner: falken@chromium.org
Status: Assigned (was: Untriaged)

Comment 4 by falken@chromium.org, Feb 19 2017

Labels: Pri-1
likely the same as  Issue 694045 
Project Member

Comment 5 by 42576172...@developer.gserviceaccount.com, Feb 19 2017

Mergedinto: 694045
Status: Duplicate (was: Assigned)

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

Suspected Commit
  Author : darin
  Commit : 2d145fe56a1d995fc1a016da03c1f91f217612e0
  Date   : Thu Feb 16 15:22:35 2017
  Subject: HTML MessagePort as mojo::MessagePipeHandle

Bisect Details
  Configuration: android_nexus6_perf_bisect
  Benchmark    : service_worker.service_worker_micro_benchmark
  Metric       : concurrent_100_response_50_percentile/concurrent_100_response_50_percentile
  Change       : 403.16% | 65.2822222222 -> 328.475

Revision             Result                  N
chromium@450943      65.2822 +- 362.212      9       good
chromium@450965      51.3894 +- 245.796      9       good
chromium@450968      57.3525 +- 448.592      14      good
chromium@450969      61.5561 +- 324.113      9       good
chromium@450970      363.198 +- 154.513      6       bad       <--
chromium@450971      315.236 +- 485.194      9       bad
chromium@450976      284.68 +- 431.049       9       bad
chromium@450986      328.475 +- 328.285      9       bad

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 service_worker.service_worker_micro_benchmark

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8987214415926862048

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5718964761526272


| 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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