All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=595712

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg4ITSoAkM


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

android-nexus6

=== Auto-CCing suspected CL author dongseong.hwang@intel.com ===

Hi dongseong.hwang@intel.com, the bisect results pointed to your CL below as possibly
causing a regression. Please have a look at this info and see whether
your CL be related.


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


===== SUSPECTED CL(s) =====
Subject : compositor: Disable partial raster by default.
Author  : dongseong.hwang
Commit description:
  
After enabling it, BUG= 594516  is regressed. Before fixing it, disable it by
default.

BUG= 492754 ,  594516 

Review URL: https://codereview.chromium.org/1801093003

Cr-Commit-Position: refs/heads/master@{#381316}
Commit  : 5fd393f0a9d84a4a6b83c781f019c9637143ad29
Date    : Tue Mar 15 21:14:56 2016


===== TESTED REVISIONS =====
Revision                Mean Value  Std. Dev.   Num Values  Good?
chromium@381258         677.779818  4.747027    5           good
chromium@381293         685.798455  5.065913    5           good
chromium@381310         693.455625  5.438748    8           good
chromium@381315         689.488409  4.170149    8           good
chromium@381316         812.875273  6.063128    5           bad
chromium@381317         809.096182  5.798604    5           bad
chromium@381319         808.103727  7.721422    5           bad
chromium@381327         806.482216  5.799301    8           bad

Bisect job ran on: android_nexus6_perf_bisect
Bug ID: 595712

Test Command: src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --also-run-disabled-tests blink_perf.paint
Test Metric: large-table-background-change-with-visible-collapsed-borders/large-table-background-change-with-visible-collapsed-borders
Relative Change: 19.26%
Score: 99.9

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/android_nexus6_perf_bisect/builds/2024
Job details: https://chromeperf.appspot.com/buildbucket_job_status/9017934588970356864


| 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!

It's expected regression, because partial raster is faster. After fixing blocking bug, I will enable partial raster again.