All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=760680

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=5935b4b9c78579ffffd1a2abbe653a65758323d2dd3e4341ce9d1754a5f935f2


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

android-nexus5

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8969809431714239280

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

Suspected Commit
  Author : Brian White
  Commit : 7662ff8cb53121cd4d8916007d430b36efd45895
  Date   : Thu Aug 24 00:03:13 2017
  Subject: Validate histograms before and after each task on Android.

Bisect Details
  Configuration: android_nexus5_perf_bisect
  Benchmark    : thread_times.tough_compositor_cases
  Metric       : tasks_per_frame_GPU/tasks_per_frame_GPU
  Change       : 7.69% | 5.70667991939 -> 6.14538584457

Revision             Result                    N
chromium@496767      5.70668 +- 0.0470414      6      good
chromium@496842      5.70254 +- 0.0124713      6      good
chromium@496861      5.70675 +- 0.040644       6      good
chromium@496871      5.72041 +- 0.0670653      6      good
chromium@496876      5.71509 +- 0.0722517      6      good
chromium@496877      5.71689 +- 0.0515116      6      good
chromium@496878      6.16473 +- 0.0370176      6      bad       <--
chromium@496880      6.13595 +- 0.0701513      6      bad
chromium@496917      6.15455 +- 0.0413064      6      bad
chromium@497067      6.14539 +- 0.0545479      6      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests thread_times.tough_compositor_cases

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8969809431714239280


For feedback, file a bug with component Speed>Bisection