All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=762193

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=a822173231efced9aef9e912c10e3b406d6724a20d0240e59d4ea60e7a0582c4


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

android-webview-nexus5X
android-webview-nexus6

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8969256911984203984

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

Suspected Commit
  Author : Sunny Sachanandani
  Commit : c7a7949c958b4867600ca716968da430fd9b952f
  Date   : Wed Aug 30 22:21:33 2017
  Subject: cc: Flush command buffers when all tiles are done.

Bisect Details
  Configuration: android_webview_nexus6_aosp_perf_bisect
  Benchmark    : smoothness.gpu_rasterization.top_25_smooth
  Metric       : frame_times/http___booking.com
  Change       : 4.24% | 16.92465 -> 17.6416702098

Revision             Result                    N
chromium@498615      16.9246 +- 0.0259576      6      good
chromium@498629      16.9559 +- 0.0316599      6      good
chromium@498636      16.9498 +- 0.0245442      6      good
chromium@498639      16.9542 +- 0.0224871      6      good
chromium@498640      17.6499 +- 0.0635529      6      bad       <--
chromium@498641      17.6681 +- 0.0563278      6      bad
chromium@498642      17.6609 +- 0.0308467      6      bad
chromium@498668      17.6417 +- 0.0854121      6      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=android-webview --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=http...booking.com smoothness.gpu_rasterization.top_25_smooth

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8969256911984203984


For feedback, file a bug with component Speed>Bisection