All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=759677

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=8674c3f80f99409af7bf987242578847a5efd0257a5aa029bcf64712d1c090ec


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

chromium-rel-mac12

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8970000207590624144

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

Bisect Details
  Configuration: mac_10_12_perf_bisect
  Benchmark    : blink_perf.svg
  Metric       : Cowboy/Cowboy

Revision             Result                  N
chromium@496815      38.1362 +- 9.53018      21      good
chromium@496930      38.3706 +- 6.04913      21      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests blink_perf.svg

More information on addressing performance regressions:
  http://g.co/ChromePerformanceRegressions

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8970000207590624144


For feedback, file a bug with component Speed>Bisection

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8966190658502467664

Trying a bisect on a wider range.

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

Bisect Details
  Configuration: mac_10_12_perf_bisect
  Benchmark    : blink_perf.svg
  Metric       : Cowboy/Cowboy

Revision             Result                  N
chromium@496668      37.9153 +- 5.95223      21      good
chromium@497124      38.3703 +- 4.32215      21      bad

Please refer to the following doc on diagnosing blink_perf regressions:
  https://chromium.googlesource.com/chromium/src/+/master/docs/speed/benchmark_harnesses/blink_perf.md

To Run This Test
  src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests blink_perf.svg

More information on addressing performance regressions:
  http://g.co/ChromePerformanceRegressions

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8966190658502467664


For feedback, file a bug with component Speed>Bisection

Bisect unable to find culprit. This exists in stable. Ignoring.