All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=743051

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=f488c09a7188fdc31be0f77614ed7114311a35f23b60a65a3d2188fd67d9f7db


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

linux-release

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8974082429799755872

=== BISECT JOB RESULTS ===
Bisect failed for unknown reasons

Please contact the team (see below) and report the error.


Bisect Details
  Configuration: linux_perf_bisect
  Benchmark    : scheduler.tough_scheduling_cases
  Metric       : mean_frame_time/mean_frame_time


To Run This Test
  src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests 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/8974082429799755872


For feedback, file a bug with component Speed>Bisection

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8970631538706954624

=== BISECT JOB RESULTS ===
NO Perf regression found

Bisect Details
  Configuration: linux_perf_bisect
  Benchmark    : scheduler.tough_scheduling_cases
  Metric       : mean_frame_time/raf.html

Revision             Result                   N
chromium@486045      17.2988 +- 12.7849       21      good
chromium@486135      16.671 +- 0.0923688      21      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=raf.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/8970631538706954624


For feedback, file a bug with component Speed>Bisection

This recovered.