Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8967425601907130816

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8967425583587388912

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

Suspected Commit
  Author : Xianzhu Wang
  Commit : 50e9e5ac22f5c1bfb26a1d0e2c84126cf8f0df81
  Date   : Tue Sep 12 20:09:31 2017
  Subject: Move LocationInBacking and SelectionVisualRect from into RarePaintData

Bisect Details
  Configuration: win_x64_perf_bisect
  Benchmark    : blink_perf.paint
  Metric       : LocalFrameView::paintTree/complex-content-slow-scroll.html
  Change       : 35.97% | 1.67685185185 -> 2.27994444444

Revision             Result                    N
chromium@501359      1.67685 +- 0.0343955      6      good
chromium@501372      1.64689 +- 0.0239279      6      good
chromium@501374      1.72128 +- 0.0159627      6      good
chromium@501375      2.27644 +- 0.0397948      6      bad       <--
chromium@501378      2.28226 +- 0.118316       6      bad
chromium@501385      2.27033 +- 0.0461714      6      bad
chromium@501411      2.29624 +- 0.0303036      6      bad
chromium@501462      2.27994 +- 0.0320323      6      bad

Please refer to the following doc on diagnosing blink_perf regressions:
  https://chromium.googlesource.com/chromium/src/+/master/docs/speed/benchmark_harnesses/blink_perf.md

To Run This Test
  src/tools/perf/run_benchmark -v --browser=release_x64 --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=complex.content.slow.scroll.html blink_perf.paint

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8967425583587388912


For feedback, file a bug with component Speed>Bisection

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

Suspected Commit
  Author : Xianzhu Wang
  Commit : 50e9e5ac22f5c1bfb26a1d0e2c84126cf8f0df81
  Date   : Tue Sep 12 20:09:31 2017
  Subject: Move LocationInBacking and SelectionVisualRect from into RarePaintData

Bisect Details
  Configuration: linux_perf_bisect
  Benchmark    : blink_perf.paint
  Metric       : LocalFrameView::paintTree/complex-content-slow-scroll.html
  Change       : 43.32% | 1.28366666667 -> 1.8397962963

Revision             Result                    N
chromium@501262      1.28367 +- 0.442537       6      good
chromium@501361      1.32328 +- 0.428793       6      good
chromium@501374      1.24439 +- 0.0569851      6      good
chromium@501375      1.80761 +- 0.141113       6      bad       <--
chromium@501376      1.81326 +- 0.150358       6      bad
chromium@501377      1.80148 +- 0.115052       6      bad
chromium@501380      1.80713 +- 0.143826       6      bad
chromium@501386      1.825 +- 0.103863         6      bad
chromium@501410      1.80615 +- 0.150163       6      bad
chromium@501459      1.8398 +- 0.0319442       6      bad

Please refer to the following doc on diagnosing blink_perf regressions:
  https://chromium.googlesource.com/chromium/src/+/master/docs/speed/benchmark_harnesses/blink_perf.md

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=complex.content.slow.scroll.html blink_perf.paint

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8967425601907130816


For feedback, file a bug with component Speed>Bisection