All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=690205

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg6NuVswsM


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

android-nexus6

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8988183529364419440

Bisect failed: http://build.chromium.org/p/tryserver.chromium.perf/builders/android_nexus6_perf_bisect/builds/2971
Failure reason: the build has failed due to infrastructure failure.

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8988111993003960304

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8988111972696031792

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8988111929488846784

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

Bisect Details
  Configuration: android_nexus6_perf_bisect
  Benchmark    : memory.top_10_mobile_stress
  Metric       : memory:chrome:all_processes:reported_by_chrome:v8:effective_size_avg/foreground/http_yandex_ru_touchsearch_text_science

Revision             Result                  N
chromium@447212      10533235 +- 687099      21      good
chromium@447225      10493099 +- 918267      21      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 memory.top_10_mobile_stress

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8988111972696031792

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5515178193453056


| 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!

=== BISECT JOB RESULTS ===
Perf regression found but unable to narrow commit range

Build failures prevented the bisect from narrowing the range further.


Bisect Details
  Configuration: android_nexus6_perf_bisect
  Benchmark    : memory.top_10_mobile_stress
  Metric       : memory:chrome:all_processes:reported_by_chrome:v8:effective_size_avg/foreground/http_yandex_ru_touchsearch_text_science
  Change       : 0.09% | 10506030.0952 -> 10515906.4762

Suspected Commit Range
  3 commits in range
  https://chromium.googlesource.com/chromium/src/+log/f7b320544b2f99fe301308420efdb1acf0196838..ed317bdc0d772dda0fb183d1b306131cd317b937


Revision                           Result                   N
chromium@447212                    10506030 +- 796566       21       good
chromium@447213                    10580026 +- 35524.7      14       good
chromium@447213,v8@daad4319c9      ---                      ---      build failure
chromium@447213,v8@d224e4e7dc      ---                      ---      build failure
chromium@447214                    10553008 +- 501324       14       bad
chromium@447216                    10534196 +- 491150       9        bad
chromium@447219                    10528584 +- 488549       9        bad
chromium@447225                    10515906 +- 832673       21       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 memory.top_10_mobile_stress

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8988111993003960304

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5055795034587136


| 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!

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

Suspected Commit
  Author : jkummerow
  Commit : daad4319c960b714c270b2c603b1f03bbc6ade14
  Date   : Tue Jan 31 06:41:14 2017
  Subject: Put ThinStrings behind a flag (off by default)

Bisect Details
  Configuration: android_nexus6_perf_bisect
  Benchmark    : memory.top_10_mobile_stress
  Metric       : memory:chrome:all_processes:reported_by_chrome:v8:effective_size_avg/foreground/http_yandex_ru_touchsearch_text_science
  Change       : 0.10% | 10545852.0 -> 10555922.5714

Revision                           Result                   N
chromium@447212                    10545852 +- 466602       14      good
chromium@447213                    10543043 +- 482735       14      good
chromium@447213,v8@daad4319c9      10593584 +- 23734.5      6       bad       <--
chromium@447213,v8@d224e4e7dc      10515583 +- 823334       21      bad
chromium@447214                    10591073 +- 38754.5      14      bad
chromium@447217                    10551865 +- 491709       14      bad
chromium@447225                    10555923 +- 499990       14      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 memory.top_10_mobile_stress

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8988111929488846784

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=6341404273410048


| 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/8982612107585303808

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8982611840162673472