All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=621606

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICggv-GvgoM


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

linux-release

=== Auto-CCing suspected CL author wangxianzhu@chromium.org ===

Hi wangxianzhu@chromium.org, 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 : Invalidate as DisplayItemClient when PaintLayer is setNeedsRepaint
Author  : wangxianzhu
Commit description:
  
This is mainly for PaintController to check cache validaty when copying
cached subsequence.

BUG=609218

Review-Url: https://codereview.chromium.org/2071053003
Cr-Commit-Position: refs/heads/master@{#400606}
Commit  : 72f6d81fceb5bce77d87042b305fe0d3d361e3c7
Date    : Sun Jun 19 02:56:22 2016


===== TESTED REVISIONS =====
Revision         Mean     Std Dev  N  Good?
chromium@400605  134.158  1.43108  5  good
chromium@400606  139.222  1.61785  5  bad    <--
chromium@400607  141.775  1.04426  5  bad
chromium@400608  143.24   1.87714  5  bad
chromium@400610  142.801  2.24802  5  bad

Bisect job ran on: linux_perf_bisect
Bug ID: 621606

Test Command: src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --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: 6.44%
Score: 99.9

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/linux_perf_bisect/builds/6541
Job details: https://chromeperf.appspot.com/buildbucket_job_status/9009312775289032784


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5773069021347840

| 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!

This is temporary. Will disable aliveness checking before the m-54 branch.

Restored.