All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=659542

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg3czh7AgM


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

android-nexus5X

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8997749353380477104

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


===== SUSPECTED CL(s) =====
Subject : Initialize buffers before allowing access to them.
Author  : zmo
Commit description:
  
Also, refactor buffer access validation a bit to reduce
duplicated codes.

(Note that this is still part 1 of the work. We have more
buffer access paths that we need to put in buffer access
validation.)

BUG= 654201 
TEST=gpu_unittests, webgl_conformance
R=piman@chromium.org
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_optional_gpu_tests_rel;master.tryserver.chromium.mac:mac_optional_gpu_tests_rel;master.tryserver.chromium.win:win_optional_gpu_tests_rel

Review-Url: https://codereview.chromium.org/2435803004
Cr-Commit-Position: refs/heads/master@{#427200}
Commit  : 26c35c2e81f97a5b291ebd4d639fc3f1a4cc50e8
Date    : Tue Oct 25 01:03:34 2016


===== TESTED REVISIONS =====
Revision         Mean    Std Dev    N  Good?
chromium@427182  7.0216  0.0643141  5  good
chromium@427193  7.0572  0.0700121  5  good
chromium@427199  7.1238  0.131987   5  good
chromium@427200  7.6338  0.11377    5  bad    <--
chromium@427201  7.6314  0.0678918  5  bad
chromium@427202  7.6172  0.100086   5  bad
chromium@427204  7.685   0.105702   5  bad

Bisect job ran on: android_nexus5X_perf_bisect
Bug ID: 659542

Test Command: src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests smoothness.top_25_smooth
Test Metric: mean_input_event_latency/Wikipedia (1 tab)
Relative Change: 9.45%
Score: 99.9

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/android_nexus5X_perf_bisect/builds/798
Job details: https://chromeperf.appspot.com/buildbucket_job_status/8997749353380477104


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5861701700812800

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