All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=648171

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICguf7v-ggM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg2YvhrwkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgucu3rgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgud-ytwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgufGnvwoM


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

chromium-rel-win7-gpu-intel
chromium-rel-win7-x64-dual
chromium-rel-win8-dual
win-zenbook

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/9001104910505834592

===== BISECT JOB RESULTS =====
Status: completed


=== Bisection aborted ===
The bisect was aborted because The metric values for the initial "good" and "bad" revisions do not represent a clear regression.
Please contact the the team (see below) if you believe this is in error.

=== Warnings ===
The following warnings were raised by the bisect job:

 * Bisect failed to reproduce the regression with enough confidence.

===== TESTED REVISIONS =====
Revision         Mean      Std Dev    N   Good?
chromium@418827  0.260559  0.0130906  18  good
chromium@418829  0.252241  0.0141366  18  bad

Bisect job ran on: win_x64_perf_bisect
Bug ID: 648171

Test Command: src/tools/perf/run_benchmark -v --browser=release_x64 --output-format=chartjson --upload-results --also-run-disabled-tests v8.browsing_desktop_ignition
Test Metric: v8-gc-incremental-step_avg/v8-gc-incremental-step_avg
Relative Change: 2.74%
Score: 0

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/win_x64_perf_bisect/builds/1474
Job details: https://chromeperf.appspot.com/buildbucket_job_status/9001104910505834592


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=6099538459230208

| 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 Tests>AutoBisect.  Thank you!