All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=631951

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg-sHErgkM


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

chromium-rel-win7-gpu-intel

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/9005990733607016816

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


===== SUSPECTED CL(s) =====
Subject : [Extensions] Use compiled feature files
Author  : rdevlin.cronin
Commit description:
  
Use generated compiled feature files instead of parsing the JSON at
runtime. In local testing, this shows an order-of-magnitude performance
increase, as well as catching a number of invalid features.

BUG= 280286 

Review-Url: https://codereview.chromium.org/2165023003
Cr-Commit-Position: refs/heads/master@{#407511}
Commit  : 5c684983bc51d5a377fcc34dcdaa9363e9a9d7d3
Date    : Mon Jul 25 18:06:31 2016


===== TESTED REVISIONS =====
Revision         Mean     Std Dev  N  Good?
chromium@407499  910.92   86.3088  5  good
chromium@407507  859.0    62.1052  5  good
chromium@407509  681.68   56.8131  5  good
chromium@407510  733.28   41.952   5  good
chromium@407511  1270.56  89.6932  5  bad    <--
chromium@407514  1270.32  54.1298  5  bad
chromium@407529  1314.88  111.599  5  bad

Bisect job ran on: winx64intel_perf_bisect
Bug ID: 631951

Test Command: src/tools/perf/run_benchmark -v --browser=release_x64 --output-format=chartjson --upload-results --also-run-disabled-tests startup.cold.blank_page
Test Metric: open_tabs_time/open_tabs_time
Relative Change: 44.35%
Score: 99.9

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/winx64intel_perf_bisect/builds/1052
Job details: https://chromeperf.appspot.com/buildbucket_job_status/9005990733607016816


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  https://chromeperf.appspot.com/bad_bisect?try_job_id=6404151903256576

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