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Issue metadata

Status: Duplicate
Merged: issue 733595
Owner: ----
Closed: Jun 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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3.1%-227.1% regression in memory.long_running_idle_gmail_background_tbmv2 at 478955:479146

Project Member Reported by mlippautz@google.com, Jun 16 2017

Issue description

See the link to graphs below.
 
Project Member

Comment 2 by 42576172...@developer.gserviceaccount.com, Jun 16 2017

Mergedinto: 733595
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : Alex Clarke
  Commit : fd98b65e68c329ff0bb43db5a1c15e50aaa6c66d
  Date   : Tue Jun 13 15:44:08 2017
  Subject: Fix logic to flush internal scheduler state on navigation comit.

Bisect Details
  Configuration: mac_pro_perf_bisect
  Benchmark    : v8.runtimestats.browsing_desktop
  Metric       : v8-gc-incremental-step_max/browse_social/browse_social_facebook_infinite_scroll
  Change       : 204.11% | 1.603 -> 4.87483333333

Revision             Result                   N
chromium@478958      1.603 +- 0.342076        6      good
chromium@478997      1.6835 +- 0.468941       6      good
chromium@479017      1.66183 +- 0.239543      6      good
chromium@479027      1.613 +- 0.257888        6      good
chromium@479029      1.66833 +- 0.337753      6      good
chromium@479030      4.05517 +- 4.3358        6      bad       <--
chromium@479032      4.90333 +- 3.25117       6      bad
chromium@479036      4.87483 +- 3.26237       6      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=browse.social.facebook.infinite.scroll v8.runtimestats.browsing_desktop

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8976648708010712528

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5825889578778624


| 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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