All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=760176

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=02b17e8f7d8d6f0b4b9921b7a01f0eb7307d10ef0b19333be982ca55a2fe1f15


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

chromium-rel-mac-retina
chromium-rel-mac11-air
chromium-rel-mac11-pro

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8969912127420987456

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

Suspected Commit
  Author : Sunny Sachanandani
  Commit : 9b8fb34db903643b759635086dcf0da90b1e3082
  Date   : Sat Aug 26 00:49:56 2017
  Subject: gpu: Command buffer multi flush.

Bisect Details
  Configuration: mac_air_perf_bisect
  Benchmark    : scheduler.tough_scheduling_cases
  Metric       : queueing_durations/simple_text_page.html
  Change       : 36.65% | 0.133293753731 -> 0.182148376677

Revision             Result                      N
chromium@497556      0.133294 +- 0.00681256      6      good
chromium@497609      0.132995 +- 0.00572006      6      good
chromium@497613      0.126979 +- 0.0128937       6      good
chromium@497614      0.130743 +- 0.00742359      6      good
chromium@497615      0.177729 +- 0.0215035       6      bad       <--
chromium@497616      0.184933 +- 0.0114326       6      bad
chromium@497622      0.177672 +- 0.013551        6      bad
chromium@497635      0.177265 +- 0.0226573       6      bad
chromium@497661      0.182148 +- 0.0181252       6      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=simple.text.page.html scheduler.tough_scheduling_cases

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8969912127420987456


For feedback, file a bug with component Speed>Bisection

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

Suspected Commit
  Author : Sunny Sachanandani
  Commit : 9b8fb34db903643b759635086dcf0da90b1e3082
  Date   : Sat Aug 26 00:49:56 2017
  Subject: gpu: Command buffer multi flush.

Bisect Details
  Configuration: mac_air_perf_bisect
  Benchmark    : scheduler.tough_scheduling_cases
  Metric       : queueing_durations/simple_text_page.html
  Change       : 36.65% | 0.133293753731 -> 0.182148376677

Revision             Result                      N
chromium@497556      0.133294 +- 0.00681256      6      good
chromium@497609      0.132995 +- 0.00572006      6      good
chromium@497613      0.126979 +- 0.0128937       6      good
chromium@497614      0.130743 +- 0.00742359      6      good
chromium@497615      0.177729 +- 0.0215035       6      bad       <--
chromium@497616      0.184933 +- 0.0114326       6      bad
chromium@497622      0.177672 +- 0.013551        6      bad
chromium@497635      0.177265 +- 0.0226573       6      bad
chromium@497661      0.182148 +- 0.0181252       6      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=simple.text.page.html scheduler.tough_scheduling_cases

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8969912127420987456


For feedback, file a bug with component Speed>Bisection