All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=719403

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg8u_c2AsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgypGlqgoM


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

android-nexus5X

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8980168621063831392

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

Bisect Details
  Configuration: android_nexus5X_perf_bisect
  Benchmark    : v8.runtimestats.browsing_mobile_classic
  Metric       : v8-gc-memory-mark-compactor_sum/browse_social/browse_social_twitter

Revision             Result                  N
chromium@469615      50.6616 +- 48.7894      21      good
chromium@469644      52.9434 +- 66.7277      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=browse.social.twitter v8.runtimestats.browsing_mobile_classic

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8980168621063831392

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5810652284715008


| 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 Speed>Bisection.  Thank you!

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8980163909607977104

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

Bisect Details
  Configuration: android_nexus5X_perf_bisect
  Benchmark    : v8.runtimestats.browsing_mobile_classic
  Metric       : v8-gc-memory-mark-compactor_sum/browse_social/browse_social_twitter

Revision             Result                  N
chromium@469615      58.1507 +- 64.5196      21      good
chromium@469644      53.0854 +- 71.1823      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=browse.social.twitter v8.runtimestats.browsing_mobile_classic

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8980163909607977104

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5810652284715008


| 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 Speed>Bisection.  Thank you!

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8980158122125097056

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

Suspected Commit
  Author : hpayer
  Commit : 8833af23e9788c725b0887446915e4820383a385
  Date   : Fri May 05 11:24:02 2017
  Subject: [heap] Memory reducer calls GC with kGCCallbackFlagCollectAllExternalMemory flag.

Bisect Details
  Configuration: android_nexus5X_perf_bisect
  Benchmark    : v8.runtimestats.browsing_mobile_classic
  Metric       : v8-gc-memory-mark-compactor_max/browse_social/browse_social_twitter
  Change       : 74.16% | 12.7805 -> 22.2583333333

Revision                           Result                  N
chromium@469595                    12.7805 +- 6.44345      6      good
chromium@469628                    14.9247 +- 8.01098      6      good
chromium@469644                    13.7947 +- 10.1359      6      good
chromium@469652                    12.9411 +- 11.1692      9      good
chromium@469654                    15.2343 +- 14.9848      9      good
chromium@469654,v8@25959abf79      10.3505 +- 4.58288      6      good
chromium@469654,v8@b7b3781b87      11.9848 +- 8.62668      6      good
chromium@469654,v8@8833af23e9      22.316 +- 8.67501       9      bad       <--
chromium@469655                    24.2717 +- 8.09557      6      bad
chromium@469656                    22.2903 +- 4.04915      6      bad
chromium@469660                    22.2583 +- 3.71223      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 --story-filter=browse.social.twitter v8.runtimestats.browsing_mobile_classic

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8980158122125097056

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=6581294911193088


| 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 Speed>Bisection.  Thank you!