All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=756010

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=63cea1a4c17b734fc36764f24b8ef06ded2a0f0ac680f72cf422837f79098da8


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

chromium-rel-win10

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8971091527725077728

=== BISECT JOB RESULTS ===
Perf regression found with culprit

Suspected Commit
  Author : perezju
  Commit : 122dd5e91bf64888049459ce73a8fd34c084cfe0
  Date   : Mon Aug 14 12:28:51 2017
  Subject: [Telemetry] Reuse shared state between story runs

Bisect Details
  Configuration: winx64_10_perf_bisect
  Benchmark    : page_cycler_v2.basic_oopif
  Metric       : timeToFirstContentfulPaint_avg/pcv1-warm/http___booking.com
  Change       : 2284.82% | 106.875666663 -> 2548.7915

Revision                                 Result                  N
chromium@494039                          106.876 +- 22.4203      6      good
chromium@494044                          100.813 +- 15.6737      6      good
chromium@494046                          109.236 +- 27.6262      6      good
chromium@494046,catapult@122dd5e91b      2466.76 +- 1302.8       6      bad       <--
chromium@494047                          2325.53 +- 1086.58      6      bad
chromium@494049                          2421.9 +- 1626.43       6      bad
chromium@494059                          2382.94 +- 1649.61      6      bad
chromium@494079                          2592.7 +- 2288.6        6      bad
chromium@494119                          2548.79 +- 1973.51      6      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=release_x64 --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=http...booking.com page_cycler_v2.basic_oopif

More information on addressing performance regressions:
  http://g.co/ChromePerformanceRegressions

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8971091527725077728


For feedback, file a bug with component Speed>Bisection