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Issue 721658 link

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Issue metadata

Status: Duplicate
Owner: ----
Closed: May 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 1
Type: Bug-Regression



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9.5%-70.5% regression in service_worker.service_worker_micro_benchmark at 470445:470540

Project Member Reported by falken@chromium.org, May 12 2017

Issue description

See the link to graphs below.
 

Comment 1 by falken@chromium.org, May 12 2017

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=721658

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg6qjbtgkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgqrXspAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgyv___woM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgqviWpQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgqvHYsQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgquyUsQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgqrGzvgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgysWAxggM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgqvv_twoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgyv-brgkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgqpjVqAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgqqH1pAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgyv-NtwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgysH9gggM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgqtj4tQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgqt-2tQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgqsGAiggM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgqv3fpAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgyr_3ogsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgyu-HpQsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgqvrZgwgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgqpKK9ggM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgqpTSpQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgypv5oQsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgqpb0tQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgqpL5_ggM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgqqi_vAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgysfQtwkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgyt-7sQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgqpLjoAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgyuuxswsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgqvSzuwkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgqq-rpQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgqsjXoQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgqrLZpgoM


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

android-nexus5
android-nexus5X
chromium-rel-mac11
chromium-rel-mac11-air
chromium-rel-mac11-pro
chromium-rel-mac12
chromium-rel-win10
chromium-rel-win7-dual
chromium-rel-win7-gpu-intel
chromium-rel-win7-x64-dual
chromium-rel-win8-dual

Comment 3 by falken@chromium.org, May 12 2017

Components: Blink>ServiceWorker
Labels: -Pri-2 Pri-1
Project Member

Comment 4 by 42576172...@developer.gserviceaccount.com, May 12 2017

Mergedinto: 721238
Status: Duplicate (was: Untriaged)

=== 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_nexus5_perf_bisect
  Benchmark    : service_worker.service_worker_micro_benchmark
  Metric       : concurrent_1_response_90_percentile/concurrent_1_response_90_percentile
  Change       : 44.77% | 10.9614285714 -> 15.8688888889

Revision             Result                   N
chromium@470448      10.9614 +- 11.7159       14      good
chromium@470479      10.0389 +- 6.53067       9       good
chromium@470487      10.4372 +- 7.332         9       good
chromium@470489      9.87667 +- 6.25765       9       good
chromium@470490      15.7525 +- 0.763733      6       bad       <--
chromium@470491      15.8725 +- 0.645397      6       bad
chromium@470494      15.9158 +- 1.1802        6       bad
chromium@470509      15.8689 +- 1.20859       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/8979825254843984064

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5231285422784512


| 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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