All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=645307

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg0bm4xwsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg8cXLoAsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg8Z_otAkM


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

chromium-rel-mac-hdd
chromium-rel-win7-gpu-nvidia

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/9002042845806703824

Bisect failed: http://build.chromium.org/p/tryserver.chromium.perf/builders/winx64nvidia_perf_bisect/builds/1861
Failure reason: the build has failed.
Additional errors:
The metric was not found in the test output.
Either of the initial "good" or "bad" revisions failed to be tested or built.

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8999798432197597808

===== BISECT JOB RESULTS =====
Status: failed


===== TESTED REVISIONS =====
Revision         Mean     Std Dev  N  Good?
chromium@415603  187.512  4.99026  5  good
chromium@416454  1295.61  355.097  5  bad

Bisect job ran on: winx64nvidia_perf_bisect
Bug ID: 645307

Test Command: src/tools/perf/run_benchmark -v --browser=release_x64 --output-format=chartjson --upload-results --also-run-disabled-tests page_cycler_v2.basic_oopif
Test Metric: timeToFirstMeaningfulPaint_avg/pcv1-cold/http___www.nationalgeographic.com_
Relative Change: 657.06%
Score: 0

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/winx64nvidia_perf_bisect/builds/1892
Job details: https://chromeperf.appspot.com/buildbucket_job_status/8999798432197597808


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5839772856090624

| 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!

Perf fixit: removing perf sheriff as owner of bugs to clarify that the rotation is responsible for triage.

How did bisect fail in comment #6, it looks like it worked. Look at the mean...

Also, recovery has exceeded expectations. This is old.

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8982607811939389936