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Issue 717569 link

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Issue metadata

Status: Duplicate
Merged: issue 717400
Owner:
Closed: May 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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53.6% regression in v8.browsing_mobile at 467950:468032

Project Member Reported by ulan@google.com, May 2 2017

Issue description

See the link to graphs below.
 

Comment 1 by ulan@google.com, May 2 2017

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=717569

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg8qKHvgkM


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

android-nexus6
Mergedinto: 717400
Status: Duplicate (was: Assigned)

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

Suspected Commit
  Author : nednguyen
  Commit : e80a730b1b1b43ec5fa205dd99e5f00693173f4c
  Date   : Fri Apr 28 09:26:12 2017
  Subject: [Telemetry] Switch Android platform to no longer uses test ca

Bisect Details
  Configuration: android_nexus6_perf_bisect
  Benchmark    : v8.browsing_mobile
  Metric       : v8-gc-scavenger_sum/browse_news/browse_news_washingtonpost
  Change       : 54.11% | 45.8821666667 -> 70.7106666667

Revision                                 Result                  N
chromium@467949                          45.8822 +- 7.30534      6      good
chromium@467952                          44.0502 +- 6.02242      6      good
chromium@467953                          46.7862 +- 8.22347      6      good
chromium@467953,catapult@e80a730b1b      65.8828 +- 6.66379      6      bad       <--
chromium@467954                          67.4058 +- 8.50767      6      bad
chromium@467955                          68.7355 +- 8.77816      6      bad
chromium@467960                          67.9345 +- 7.68025      6      bad
chromium@467970                          68.481 +- 18.1887       6      bad
chromium@467991                          64.7098 +- 5.45591      6      bad
chromium@468032                          70.7107 +- 14.5772      6      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 --story-filter=browse.news.washingtonpost v8.browsing_mobile

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8980692568627655216

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5827291877212160


| 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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