All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=684402

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg0MzD6wgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgkP_wuwsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg0KP8tAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg0OHJlgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg0MqTuQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg0IrYowsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg0P6usAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg0Jza-woM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg0OqUlgkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg0KLyqQsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg0OTBsAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg0Jys6gkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg0L7_rgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg0I2FrQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg0K6d6QoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgkImS1AoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg0MzDmwsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg0Njx6gsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg0OSwrgkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg0KCd-QsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgkNWCigoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgkJOw2wgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg0Kn9-ggM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg0OfTogoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg0OTMvwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg0InZtwsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgkL-yrAsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg0MzDmwkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg0OfFvQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgkJOwmwsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg0PbwmwkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgkL_O_QoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg0J6YugoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg0MreiQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg0OWO5QgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgkNPd9QoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg0LGF4AkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgkLWeqQgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg0LGF4AoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg0NWp6AgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgkLX3lAgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgkKOGgAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg0OiHgQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgkN-N2AsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg0NWpqAsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgkPG1kAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg0PXxvwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg0I7p5AkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg0ILKtQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg0LO6oQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg0O6PqwkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgkLOM4ggM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgkJeG9QkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg0K6d6QgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg0IyblQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg0PWWrgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgkJXP_AoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgkPWN8wgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg0KPb8goM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg0PHR7AsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg0OqUlggM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg0OyZ7AgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg0MSr7AgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg0KjzkwgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg0Ozn4goM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg0KPb8ggM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgkPaajAgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg0Ke49ggM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg0MThpAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg0NGt6wgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgkMPXlgkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg0KT9pgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgkOOO3QoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgkI77_gkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg0OfguQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg0ITkugkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgkNOp5AsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg0JWLtgkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgkLP-qgsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg0LyQrQsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg0IqJ-gkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg0OqU5gkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgkNXx-ggM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg0OPu9ggM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg0Kz67wsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg0NOkogoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg0MT6uQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgkM6T9QkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg0PKv_AgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg0LjA9wgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg0PbwmwgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgkPHLyQgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg0NithwsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg0K7WoQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg0Mm1pQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg0KPN4wgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg0JORpAsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgkPPY7gsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg0JGl-AgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgkLb2wAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgkOeAlwgM,ag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Bot(s) for this bug's original alert(s):

android-nexus5
android-nexus5X
android-nexus7v2
android-nexus9
android-one

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8989595387156412528

Issue 684366 has been merged into this issue.

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

Suspected Commit
  Author : Herb Derby
  Commit : 7c5a806bf67e1818b0272a2ae8d854ae1fd72e82
  Date   : Fri Jan 20 17:50:49 2017
  Subject: Move from SkChunkAlloc to SkArenaAlloc for SkGlyphCache.

Bisect Details
  Configuration: android_nexus9_perf_bisect
  Benchmark    : system_health.memory_mobile
  Metric       : memory:chrome:all_processes:reported_by_chrome:skia:effective_size_avg/load_tools/load_tools_weather
  Change       : 112.00% | 198156.0 -> 420084.0

Revision                             Result                 N
chromium@445273                      198156 +- 6567.94      6      good
chromium@445275                      199104 +- 5192.41      6      good
chromium@445275,skia@34c69d6347      197501 +- 6289.01      6      good
chromium@445275,skia@f833215420      198449 +- 5551.8       6      good
chromium@445275,skia@abddea0d8c      199104 +- 5192.41      6      good
chromium@445275,skia@7c5a806bf6      418095 +- 9003.14      6      bad       <--
chromium@445275,skia@41398f430d      421612 +- 0.0          6      bad
chromium@445275,skia@aaedae7acb      419623 +- 6891.25      6      bad
chromium@445276                      420617 +- 5448.01      6      bad
chromium@445277                      427539 +- 32461.7      6      bad
chromium@445280                      419623 +- 6891.25      6      bad
chromium@445287                      420084 +- 8369.2       6      bad

Please refer to the following doc on diagnosing memory regressions:
  https://chromium.googlesource.com/chromium/src/+/master/docs/memory-infra/memory_benchmarks.md

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=load.tools.weather system_health.memory_mobile

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8989595387156412528

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5338920402812928


| 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!