All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=645377

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg8evDqgsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgifiUqQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgiZySogkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg8fuisQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgiZ73rwoM


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

android-nexus5
android-nexus5X
android-one

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/9002017550556312704

===== 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@416618  19217233  134011   18  good
chromium@416626  19119055  75657.8  18  bad

Bisect job ran on: android_one_perf_bisect
Bug ID: 645377

Test Command: src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --also-run-disabled-tests memory.top_10_mobile
Test Metric: foreground-memory:chrome:all_processes:reported_by_os:system_memory:native_heap:proportional_resident_size_avg/http_search_yahoo_com_search__ylt_p_google
Relative Change: 0.16%
Score: 0

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/android_one_perf_bisect/builds/1608
Job details: https://chromeperf.appspot.com/buildbucket_job_status/9002017550556312704


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5056898540240896

| 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!

Perf fixit: removing perf sheriff as owner of bugs to clarify that the rotation is responsible for triage.

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8999513541681549456

ChromiumPerf/android-one/memory.top_10_mobile / memory:chrome:all_processes:reported_by_os:system_memory:native_heap:proportional_resident_size_avg / foreground / http_search_yahoo_com_search__ylt_p_google recovered.

ChromiumPerf/android-nexus5/memory.top_10_mobile / memory:chrome:all_processes:reported_by_os:system_memory:ashmem:proportional_resident_size_avg / background / after_http_m_youtube_com_results_q_science is insignificant.

ChromiumPerf/android-one/memory.top_10_mobile / memory:chrome:all_processes:reported_by_os:system_memory:private_dirty_size_avg / foreground / http_search_yahoo_com_search__ylt_p_google recovered.

ChromiumPerf/android-nexus5/memory.top_10_mobile / memory:chrome:all_processes:reported_by_os:system_memory:ashmem:proportional_resident_size_avg / background / after_https_www_google_co_uk_hl_en_q_science is insignificant.

started bisect for ChromiumPerf/android-nexus5X/memory.top_10_mobile / memory:chrome:all_processes:reported_by_os:system_memory:native_heap:proportional_resident_size_avg / foreground / http_search_yahoo_com_search__ylt_p_google

FYI ulan for memory metrics.

===== BISECT JOB RESULTS =====
Status: failed


===== TESTED REVISIONS =====
Revision         Mean      Std Dev  N   Good?
chromium@416611  52563554  558081   12  good
chromium@416615  52910826  359168   12  good
chromium@416619  53400793  414702   8   bad
chromium@416626  53169497  368138   8   bad

Bisect job ran on: android_nexus5X_perf_bisect
Bug ID: 645377

Test Command: src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --also-run-disabled-tests memory.top_10_mobile
Test Metric: memory:chrome:all_processes:reported_by_os:system_memory:native_heap:proportional_resident_size_avg/foreground/http_search_yahoo_com_search__ylt_p_google
Relative Change: 1.32%
Score: 0

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/android_nexus5X_perf_bisect/builds/738
Job details: https://chromeperf.appspot.com/buildbucket_job_status/8999513541681549456


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5807059231047680

| 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!

These have recovered.

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8982576277500117232