All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=652246

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgpd_GywgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgle7VogoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICglbrRqQkM


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

android-nexus6
chromium-rel-win7-dual

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8999819240714177232

===== BISECT JOB RESULTS =====
Status: completed


=== Bisection aborted ===
The bisect was aborted because The metric values for the initial "good" and "bad" revisions do not represent a clear regression.
Please contact the the team (see below) if you believe this is in error.

=== Warnings ===
The following warnings were raised by the bisect job:

 * Bisect failed to reproduce the regression with enough confidence.

===== TESTED REVISIONS =====
Revision         Mean     Std Dev   N   Good?
chromium@421386  2.95371  0.723651  18  good
chromium@421420  2.88211  0.824083  18  bad

Bisect job ran on: android_nexus6_perf_bisect
Bug ID: 652246

Test Command: src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --also-run-disabled-tests v8.infinite_scroll-ignition_tbmv2
Test Metric: v8-gc-incremental-step_max/v8-gc-incremental-step_max
Relative Change: 11.29%
Score: 0

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/android_nexus6_perf_bisect/builds/2595
Job details: https://chromeperf.appspot.com/buildbucket_job_status/8999819240714177232


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5325932095602688

| 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!

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8999731012929182016

===== BISECT JOB RESULTS =====
Status: completed


=== Bisection aborted ===
The bisect was aborted because The metric values for the initial "good" and "bad" revisions do not represent a clear regression.
Please contact the the team (see below) if you believe this is in error.

=== Warnings ===
The following warnings were raised by the bisect job:

 * Bisect failed to reproduce the regression with enough confidence.

===== TESTED REVISIONS =====
Revision         Mean     Std Dev  N   Good?
chromium@421374  3.47639  3.28679  18  good
chromium@421420  3.62639  3.19548  18  bad

Bisect job ran on: android_nexus6_perf_bisect
Bug ID: 652246

Test Command: src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --also-run-disabled-tests v8.infinite_scroll-ignition_tbmv2
Test Metric: v8-gc-incremental-step_max/facebook
Relative Change: 8.31%
Score: 0

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/android_nexus6_perf_bisect/builds/2600
Job details: https://chromeperf.appspot.com/buildbucket_job_status/8999731012929182016


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5833887542935552

| 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!

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8999635918350807920

===== BISECT JOB RESULTS =====
Status: completed


=== Bisection aborted ===
The bisect was aborted because The metric values for the initial "good" and "bad" revisions do not represent a clear regression.
Please contact the the team (see below) if you believe this is in error.

=== Warnings ===
The following warnings were raised by the bisect job:

 * Bisect failed to reproduce the regression with enough confidence.

===== TESTED REVISIONS =====
Revision         Mean     Std Dev  N   Good?
chromium@421374  3.77244  2.94405  18  good
chromium@421420  4.16989  2.9449   18  bad

Bisect job ran on: android_nexus6_perf_bisect
Bug ID: 652246

Test Command: src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --also-run-disabled-tests v8.infinite_scroll-ignition_tbmv2
Test Metric: v8-gc-incremental-step_max/facebook
Relative Change: 36.34%
Score: 0

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/android_nexus6_perf_bisect/builds/2612
Job details: https://chromeperf.appspot.com/buildbucket_job_status/8999635918350807920


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=6079516185722880

| 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!

 Issue 652245  has been merged into this issue.

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8999065682393504176

===== BISECT JOB RESULTS =====
Status: completed


=== Bisection aborted ===
The bisect was aborted because The metric values for the initial "good" and "bad" revisions do not represent a clear regression.
Please contact the the team (see below) if you believe this is in error.

=== Warnings ===
The following warnings were raised by the bisect job:

 * Bisect failed to reproduce the regression with enough confidence.

===== TESTED REVISIONS =====
Revision         Mean     Std Dev   N   Good?
chromium@421374  2.27737  0.423665  18  good
chromium@421420  2.48117  0.709249  18  bad

Bisect job ran on: android_nexus6_perf_bisect
Bug ID: 652246

Test Command: src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests v8.infinite_scroll-ignition_tbmv2
Test Metric: v8-gc-incremental-step_max/v8-gc-incremental-step_max
Relative Change: 4.39%
Score: 0

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/android_nexus6_perf_bisect/builds/2640
Job details: https://chromeperf.appspot.com/buildbucket_job_status/8999065682393504176


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5778137240043520

| 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!

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8998905048170944320

===== BISECT JOB RESULTS =====
Status: completed


=== Bisection aborted ===
The bisect was aborted because The metric values for the initial "good" and "bad" revisions do not represent a clear regression.
Please contact the the team (see below) if you believe this is in error.

=== Warnings ===
The following warnings were raised by the bisect job:

 * Bisect failed to reproduce the regression with enough confidence.

===== TESTED REVISIONS =====
Revision         Mean     Std Dev   N   Good?
chromium@421374  2.29249  0.519446  18  good
chromium@421420  2.39286  0.594984  18  bad

Bisect job ran on: android_nexus6_perf_bisect
Bug ID: 652246

Test Command: src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests v8.infinite_scroll-ignition_tbmv2
Test Metric: v8-gc-incremental-step_max/v8-gc-incremental-step_max
Relative Change: 6.23%
Score: 0

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/android_nexus6_perf_bisect/builds/2643
Job details: https://chromeperf.appspot.com/buildbucket_job_status/8998905048170944320


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5876829414490112

| 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!

No ref build; graphs are somewhat noisy; bisect failed to reproduce many times.