All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=736801

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgzpWx4AsM


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

android-nexus6

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8975704732158225536

=== BISECT JOB RESULTS ===
NO Perf regression found, tests failed to produce values

Bisect Details
  Configuration: android_nexus6_perf_bisect
  Benchmark    : tracing_perftests
  Metric       : TraceEventPerfTest.Create_10000_TracedValue/create_traced_values


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=create.traced.values tracing_perftests

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8975704732158225536

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5802314083860480


| 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/8975702013027506288

I glanced at all the CLs in range. nothing particular bumps my attention other than this:
https://chromium.googlesource.com/chromium/src/+/175bf817dbbb2b3f775127f3b84b4cfd7845fcde

Which might also explain why the bisect doesn't reproduce.

=== BISECT JOB RESULTS ===
NO Perf regression found, tests failed to produce values

Bisect Details
  Configuration: android_nexus6_perf_bisect
  Benchmark    : tracing_perftests
  Metric       : TraceEventPerfTest.Create_10000_TracedValue/create_traced_values


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=create.traced.values tracing_perftests

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8975702013027506288

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5802314083860480


| 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!

This regression has been open for half a year. It's not very actionable and the regression has been in all Chrome user's hands for months.