All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=678729

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgv_HNvAoM


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

android-nexus5X

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8991276268298269712

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8991276211273130288

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

Bisect Details
  Configuration: android_nexus5X_perf_bisect
  Benchmark    : v8.mobile_infinite_scroll_tbmv2
  Metric       : v8-gc-incremental-step_avg/v8-gc-incremental-step_avg

Revision             Result                    N
chromium@440751      0.495703 +- 0.333156      30      good
chromium@440756      0.502128 +- 0.2744        30      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 v8.mobile_infinite_scroll_tbmv2

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8991276268298269712

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=6068650811850752


| O O | Visit http://www.chromium.org/developers/speed-infra/perf-bug-faq
|  X  | for more information addressing perf regression bugs. For feedback,
| / \ | file a bug with component Tests>AutoBisect.  Thank you!

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

Bisect Details
  Configuration: android_nexus5X_perf_bisect
  Benchmark    : v8.mobile_infinite_scroll_tbmv2
  Metric       : v8-gc-incremental-step_avg/facebook

Revision             Result                    N
chromium@440751      0.827946 +- 0.898387      21      good
chromium@440756      0.816476 +- 0.82795       21      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 --story-filter=facebook v8.mobile_infinite_scroll_tbmv2

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8991276211273130288

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5822736553738240


| O O | Visit http://www.chromium.org/developers/speed-infra/perf-bug-faq
|  X  | for more information addressing perf regression bugs. For feedback,
| / \ | file a bug with component Tests>AutoBisect.  Thank you!

ulan - bisect is unable to repro this regression caught by perf bots. Looking at the bisect runs, there's nothing that stands out so this seems to be a problem with reproducibility. CC'ing you as FYI and in case you have any ideas.

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8990944778067001888

Kicked off story specific bisect with larger range.

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

Bisect Details
  Configuration: android_nexus5X_perf_bisect
  Benchmark    : v8.mobile_infinite_scroll_tbmv2
  Metric       : v8-gc-incremental-step_avg/facebook

Revision             Result                    N
chromium@440651      0.768947 +- 0.803273      21      good
chromium@440756      0.821426 +- 0.711122      21      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 --story-filter=facebook v8.mobile_infinite_scroll_tbmv2

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8990944778067001888

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5828865743650816


| O O | Visit http://www.chromium.org/developers/speed-infra/perf-bug-faq
|  X  | for more information addressing perf regression bugs. For feedback,
| / \ | file a bug with component Tests>AutoBisect.  Thank you!

This alert was found before M-60 branched. Closing as WontFix as this is believed to either be invalid or non-reproducible.