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Issue metadata

Status: Duplicate
Merged: issue 596881
Owner:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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1.9% regression in scheduler.tough_scheduling_cases at 382376:382407

Project Member Reported by mustaq@chromium.org, Mar 23 2016

Issue description

See the link to graphs below.
 

Comment 1 by mustaq@chromium.org, Mar 23 2016

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=597272

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg0OHSpwoM


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

android-galaxy-s5
Project Member

Comment 2 by 42576172...@developer.gserviceaccount.com, Mar 23 2016


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


===== SUSPECTED CL(s) =====
Subject : Enable GPU Rasterization for content with any author defined viewport.
Author  : vmiura
Commit description:
  
BUG= 591179 

Review URL: https://codereview.chromium.org/1817583003

Cr-Commit-Position: refs/heads/master@{#382394}
Commit  : b338ee0b3125007b94854e44ed7b6df820c72a75
Date    : Mon Mar 21 21:26:30 2016


===== TESTED REVISIONS =====
Revision                Mean Value  Std. Dev.   Num Values  Good?
chromium@382375         41.678529   0.14268     5           good
chromium@382391         41.285279   0.593663    5           good
chromium@382393         41.386879   0.181762    5           good
chromium@382394         42.260186   0.290969    5           bad
chromium@382395         42.383029   0.189901    5           bad
chromium@382399         42.270736   0.250491    5           bad
chromium@382407         42.367021   0.253407    5           bad

Bisect job ran on: android_s5_perf_bisect
Bug ID: 597272

Test Command: src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --also-run-disabled-tests scheduler.tough_scheduling_cases
Test Metric: mean_input_event_latency/mean_input_event_latency
Relative Change: 1.65%
Score: 99.9

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/android_s5_perf_bisect/builds/546
Job details: https://chromeperf.appspot.com/buildbucket_job_status/9017390177013560768


| 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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