All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=771279

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=b9f3805e7da06af111f7f4fa092de35c2f56f8a53eea30670690adb0937ae619


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

linux-release

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8966729852230505952

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

Bisect Details
  Configuration: linux_perf_bisect
  Benchmark    : media.tough_video_cases
  Metric       : buffering_time/crowd.ogg

Revision             Result                  N
chromium@503964      91.9676 +- 650.184      21      good
chromium@504455      58.0771 +- 42.0586      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 media.tough_video_cases

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8966729852230505952


For feedback, file a bug with component Speed>Bisection