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Issue metadata

Status: Duplicate
Merged: issue 649361
Owner:
Closed: Sep 2016
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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246.1% regression in v8.mobile_infinite_scroll_tbmv2 at 420136:420159

Project Member Reported by benjhayden@chromium.org, Sep 25 2016

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=650011

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgxZSbtAsM


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

android-one
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Sep 25 2016

Mergedinto: 649361
Status: Duplicate (was: Assigned)

===== BISECT JOB RESULTS =====
Status: completed


===== SUSPECTED CL(s) =====
Subject : [heap] Always use the passed-in collector in CollectGarbage.
Author  : hpayer
Commit description:
  
Do not overwrite a collector decision.

BUG=

Review-Url: https://codereview.chromium.org/2336943003
Cr-Commit-Position: refs/heads/master@{#39585}
Commit  : c19abaddafb5ede5e0d5efbe608b7fc5d7c7fcd0
Date    : Wed Sep 21 09:57:08 2016


===== TESTED REVISIONS =====
Revision                       Mean     Std Dev  N  Good?
chromium@420135                52.8133  26.6079  5  good
chromium@420147                43.4769  24.3948  5  good
chromium@420150                38.9451  27.9279  5  good
chromium@420151                41.0596  25.1471  5  good
chromium@420151,v8@06c6591d0f  26.1754  1.72362  5  good
chromium@420151,v8@c19abaddaf  153.796  11.0774  5  bad    <--
chromium@420151,v8@2fd6d6093e  134.242  7.20192  5  bad
chromium@420152                144.099  28.1513  5  bad
chromium@420153                138.953  26.1665  5  bad
chromium@420159                143.675  9.12395  5  bad

Bisect job ran on: android_one_perf_bisect
Bug ID: 650011

Test Command: src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --also-run-disabled-tests v8.mobile_infinite_scroll_tbmv2
Test Metric: v8-gc-latency-mark-compactor_max/v8-gc-latency-mark-compactor_max
Relative Change: 172.04%
Score: 99.9

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/android_one_perf_bisect/builds/1641
Job details: https://chromeperf.appspot.com/buildbucket_job_status/9000579128766317392


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=6082105749012480

| 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 Tests>AutoBisect.  Thank you!

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