All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=597644

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg0PWErwkM


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

android-nexus6

===== 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 Value  Std. Dev.   Num Values  Good?
chromium@382275         18.294369   0.073411    9           good
chromium@382384         18.341792   0.115934    8           bad

Bisect job ran on: android_nexus6_perf_bisect
Bug ID: 597644

Test Command: src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --also-run-disabled-tests smoothness.tough_pinch_zoom_cases
Test Metric: frame_times/frame_times
Relative Change: 0.18%
Score: 0

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/android_nexus6_perf_bisect/builds/2065
Job details: https://chromeperf.appspot.com/buildbucket_job_status/9017100819217486496


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=597644

| 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!

Started a bisect on ebay since it shows the clearest regression: https://chromeperf.appspot.com/buildbucket_job_status/9016937129021026848

===== 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@382384         18.27196    0.278374    6           good
chromium@382389         18.355769   0.256115    5           good
chromium@382392         18.342145   0.175818    5           good
chromium@382393         18.531627   0.242717    6           good
chromium@382394         29.452206   1.800368    4           bad         <-
chromium@382404         31.751923   1.353154    4           bad
chromium@382424         30.458989   1.750412    6           bad

Bisect job ran on: android_nexus6_perf_bisect
Bug ID: 597644

Test Command: src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --also-run-disabled-tests smoothness.tough_pinch_zoom_cases
Test Metric: frame_times/http___www.ebay.com
Relative Change: 64.81%
Score: 99.8

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/android_nexus6_perf_bisect/builds/2067
Job details: https://chromeperf.appspot.com/buildbucket_job_status/9016937129021026848


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=597644

| 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!