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Issue metadata

Status: Duplicate
Merged: issue 593045
Owner:
Closed: Mar 2016
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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4.1% regression in thread_times.key_idle_power_cases at 379245:379682

Project Member Reported by ericwilligers@chromium.org, Mar 9 2016

Issue description

ChromiumPerf/android-nexus6/thread_times.key_idle_power_cases / tasks_per_second_total_all / set-timeout.html
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=593185

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDA__bJrAkM


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

android-nexus6
Mergedinto: 593045
Status: Duplicate (was: Assigned)

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


===== SUSPECTED CL(s) =====
Subject : Get rid of gpu related switches by passing gpu::GpuPreferences via IPC.
Author  : penghuang
Commit description:
  
BUG= 590825 
CQ_INCLUDE_TRYBOTS=tryserver.chromium.win:win_optional_gpu_tests_rel;tryserver.chromium.mac:mac_optional_gpu_tests_rel

Review URL: https://codereview.chromium.org/1753383003

Cr-Commit-Position: refs/heads/master@{#379651}
Commit  : 248b114c9d3034964c7259222712dfcccfad8f48
Date    : Mon Mar 07 21:52:11 2016


===== TESTED REVISIONS =====
Revision                Mean Value  Std. Dev.   Num Values  Good?
chromium@379244         2167.059915 3.949963    5           good
chromium@379463         2164.591599 1.560444    5           good
chromium@379573         2168.265685 1.93586     5           good
chromium@379628         2165.800566 2.728665    5           good
chromium@379642         2164.892561 2.808204    5           good
chromium@379649         2168.618233 1.189624    5           good
chromium@379650         2167.589174 1.173075    5           good
chromium@379651         2259.945724 3.306127    5           bad
chromium@379652         2259.904156 3.644585    5           bad
chromium@379655         2259.790784 3.882817    5           bad
chromium@379682         2255.624661 2.939639    5           bad

Bisect job ran on: android_nexus6_perf_bisect
Bug ID: 593185

Test Command: src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --also-run-disabled-tests thread_times.key_idle_power_cases
Test Metric: tasks_per_second_total_all/set-timeout.html (Long Idle)
Relative Change: 4.09%
Score: 99.9

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/android_nexus6_perf_bisect/builds/2009
Job details: https://chromeperf.appspot.com/buildbucket_job_status/9018709984753490112


| 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 label Cr-Tests-AutoBisect.  Thank you!

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