All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=742980

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=eb15b02f0606f7899a09fd2318ca0e2c48b6843c55054220aa032e5f1155a07a


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

linux-release

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8974096860185137104

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

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


Bisect Details
  Configuration: linux_perf_bisect
  Benchmark    : v8.browsing_desktop
  Metric       : v8-gc-total_max/browse_social/browse_social_twitter


To Run This Test
  src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=browse.social.twitter v8.browsing_desktop

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8974096860185137104


For feedback, file a bug with component Speed>Bisection

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8973887408415574848

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

Bisect Details
  Configuration: linux_perf_bisect
  Benchmark    : v8.browsing_desktop
  Metric       : v8-gc-total_max/browse_social/browse_social_twitter

Revision             Result                  N
chromium@480053      7.49567 +- 3.36267      21      good
chromium@480179      7.41829 +- 4.68587      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 --story-filter=browse.social.twitter v8.browsing_desktop

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8973887408415574848


For feedback, file a bug with component Speed>Bisection

Bisect can't complete due to noise, can't reproduce this