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Issue metadata

Status: Duplicate
Merged: issue 727675
Owner: ----
Closed: Jun 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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36.2%-85.9% regression in v8.runtimestats.browsing_mobile_classic at 474081:474307

Project Member Reported by tebbi@chromium.org, Jun 14 2017

Issue description

See the link to graphs below.
 
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Jun 14 2017

Mergedinto: 727675
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : nednguyen
  Commit : 0ebf7116bec925d8d6dd90b5760953ad5be6a383
  Date   : Wed May 24 09:56:02 2017
  Subject: Rerecord browse:social:twitter story & reenable the story

Bisect Details
  Configuration: android_one_perf_bisect
  Benchmark    : v8.runtimestats.browsing_desktop
  Metric       : V8 C++:duration_avg/browse_social/browse_social_twitter
  Change       : 78.00% | 7270.98433333 -> 12942.1866667

Revision             Result                  N
chromium@474201      7270.98 +- 2524.64      6      good
chromium@474219      6618.55 +- 2853.72      6      good
chromium@474228      6820.48 +- 2364.55      6      good
chromium@474231      7921.65 +- 2040.36      6      good
chromium@474232      13367.8 +- 675.071      6      bad       <--
chromium@474233      12675.2 +- 2169.52      6      bad
chromium@474237      13053.1 +- 1338.61      6      bad
chromium@474273      12942.2 +- 1541.04      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.social.twitter v8.runtimestats.browsing_desktop

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8976800322537975296

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5812435996377088


| 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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