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Issue 650188 link

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Issue metadata

Status: Duplicate
Merged: issue 648161
Owner:
Last visit > 30 days ago
Closed: Sep 2016
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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28% regression in v8.browsing_desktop_ignition at 419172:419223

Project Member Reported by hpayer@google.com, Sep 26 2016

Issue description

See the link to graphs below.
 

Comment 1 by hpayer@google.com, Sep 26 2016

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=650188

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg-bzWrAkM


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

chromium-rel-mac-hdd
Project Member

Comment 3 by sheriffbot@chromium.org, Sep 26 2016

Labels: Hotlist-Google
Project Member

Comment 4 by 42576172...@developer.gserviceaccount.com, Sep 27 2016

Mergedinto: 648161
Status: Duplicate (was: Assigned)

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


===== SUSPECTED CL(s) =====
Subject : Plugin Power Saver Tiny: Fix Field Trial testing config
Author  : tommycli
Commit description:
  
Previously the field trial testing was incorrect. The key was the
feature name instead of the Finch experiment name.

BUG=608886

Review-Url: https://codereview.chromium.org/2342893003
Cr-Commit-Position: refs/heads/master@{#419208}
Commit  : 921187511a6fba333a6518857d697439505946d9
Date    : Fri Sep 16 17:50:59 2016


===== TESTED REVISIONS =====
Revision         Mean     Std Dev  N  Good?
chromium@419171  354.755  32.6027  5  good
chromium@419197  357.659  24.1536  5  good
chromium@419204  352.212  26.8206  5  good
chromium@419207  349.327  22.1769  5  good
chromium@419208  453.52   35.2452  5  bad    <--
chromium@419209  436.873  25.3488  5  bad
chromium@419210  469.121  33.5332  5  bad
chromium@419223  438.846  28.2228  5  bad

Bisect job ran on: mac_hdd_perf_bisect
Bug ID: 650188

Test Command: src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --also-run-disabled-tests v8.browsing_desktop_ignition
Test Metric: v8-gc-incremental-step_sum/v8-gc-incremental-step_sum
Relative Change: 23.70%
Score: 99.9

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/mac_hdd_perf_bisect/builds/819
Job details: https://chromeperf.appspot.com/buildbucket_job_status/9000470897452195120


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5906684252258304

| 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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