All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=732708

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDglo-XpgkM


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

android-nexus7v2

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8976919093043683280

=== BISECT JOB RESULTS ===
Bisect failed for unknown reasons

Please contact the team (see below) and report the error.


Bisect Details
  Configuration: android_nexus7_perf_bisect
  Benchmark    : blink_perf.layout
  Metric       : latin-complex-text/latin-complex-text


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 blink_perf.layout

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8976919093043683280

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5309176693129216


| 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/8976879749987374656

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8976829913599559808

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

Bisect Details
  Configuration: android_nexus7_perf_bisect
  Benchmark    : blink_perf.layout
  Metric       : latin-complex-text/latin-complex-text

Revision             Result                  N
chromium@478514      63.9276 +- 4.56688      21      good
chromium@478516      64.2804 +- 10.8884      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 blink_perf.layout

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8976879749987374656

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5309176693129216


| 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 : thakis
  Commit : f823f843f06636feb082521d76c282a16fe2d577
  Date   : Sat Jun 10 17:33:46 2017
  Subject: android: switch from gcc to clang.

Bisect Details
  Configuration: android_nexus7_perf_bisect
  Benchmark    : blink_perf.layout
  Metric       : latin-complex-text/latin-complex-text
  Change       : 13.33% | 64.6201666667 -> 73.2331666667

Revision             Result                  N
chromium@478500      64.6202 +- 4.41637      6      good
chromium@478513      64.2262 +- 1.64315      6      good
chromium@478516      63.9365 +- 2.87524      6      good
chromium@478517      71.4555 +- 2.90431      6      bad       <--
chromium@478518      71.4563 +- 2.78042      6      bad
chromium@478519      69.379 +- 2.40595       6      bad
chromium@478525      69.8615 +- 1.62067      6      bad
chromium@478550      73.2332 +- 3.59231      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 blink_perf.layout

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8976829913599559808

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5236950174269440


| 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!