All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=615419

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgrKuMuwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg7PjHqAoM


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

chromium-rel-mac-retina
linux-release

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


=== Bisection aborted ===
The bisect was aborted because The metric values for the initial "good" and "bad" revisions do not represent a clear regression.
Please contact the the team (see below) if you believe this is in error.

=== Warnings ===
The following warnings were raised by the bisect job:

 * Bisect failed to reproduce the regression with enough confidence.

===== TESTED REVISIONS =====
Revision         Mean     Std Dev  N   Good?
chromium@395937  4659.16  58.1745  12  good
chromium@395950  4715.87  132.552  18  bad

Bisect job ran on: linux_perf_bisect
Bug ID: 615419

Test Command: src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --also-run-disabled-tests blink_perf.parser
Test Metric: html-parser-threaded/html-parser-threaded
Relative Change: 1.23%
Score: 0

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/linux_perf_bisect/builds/6509
Job details: https://chromeperf.appspot.com/buildbucket_job_status/9011494982184269152


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5838254767603712

| 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!

=== 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 : Enable CHECK_DISPLAY_ITEM_CLIENT_ALIVENESS temporarily for debugging crbug.com/609218
Author  : wangxianzhu
Commit description:
  
BUG=609218

Review-Url: https://codereview.chromium.org/2007363002
Cr-Commit-Position: refs/heads/master@{#395986}
Commit  : 7bd8598d9284ccd749ca0c4605714eb66da943ef
Date    : Wed May 25 20:57:51 2016


===== TESTED REVISIONS =====
Revision         Mean     Std Dev  N  Good?
chromium@395937  6130.33  38.6178  5  good
chromium@395962  6237.85  148.705  5  good
chromium@395975  6273.62  75.8048  5  good
chromium@395981  6169.35  67.6803  5  good
chromium@395984  6094.89  161.989  5  good
chromium@395985  6299.25  99.2138  5  good
chromium@395986  6845.39  75.2401  5  bad    <--
chromium@395987  6889.29  82.128   5  bad

Bisect job ran on: mac_retina_perf_bisect
Bug ID: 615419

Test Command: src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --also-run-disabled-tests blink_perf.parser
Test Metric: html-parser-threaded/html-parser-threaded
Relative Change: 12.38%
Score: 99.9

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/mac_retina_perf_bisect/builds/1311
Job details: https://chromeperf.appspot.com/buildbucket_job_status/9011484108660779072


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5900240809361408

| 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 a temporary CL causing temporary performance regressions. Will revert the CL after we address the issue under investigation.

Sounds like this is temporary, which is good. When can we expect the revert?

The revert will be before m-53 branch.

Restored.