All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=700852

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgtK2hvAsM


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

win-zenbook

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8985239145328746160

=== Auto-CCing suspected CL author pfeldman@chromium.org ===

Hi pfeldman@chromium.org, the bisect results pointed to your CL, please take a look at the
results.


=== BISECT JOB RESULTS ===
Perf regression found with culprit

Suspected Commit
  Author : pfeldman
  Commit : 87cb93767256f83a39625de66e528ef2fb1296d5
  Date   : Thu Mar 09 00:35:22 2017
  Subject: DevTools: move counter-related devtools.timeline trace events into probe:: probes.

Bisect Details
  Configuration: winx64_zen_perf_bisect
  Benchmark    : blink_perf.css
  Metric       : SelectorCountScaling/SelectorCountScaling
  Change       : 2.74% | 102.382364346 -> 99.5754339946

Revision             Result                  N
chromium@455488      102.382 +- 12.5764      21      good
chromium@455551      102.237 +- 12.1271      14      good
chromium@455583      100.965 +- 10.7264      9       good
chromium@455599      101.595 +- 10.9219      14      good
chromium@455608      100.757 +- 21.3365      14      good
chromium@455612      100.734 +- 29.9227      14      good
chromium@455613      99.4037 +- 8.81002      14      bad       <--
chromium@455614      99.5754 +- 13.8509      14      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=release_x64 --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests blink_perf.css

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8985239145328746160

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=6095270057607168


| 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/8985204835218000768

The numbers from that bisect look really weird. Kicked off another one with a broader range since the graph went up and down.

=== BISECT JOB RESULTS ===
Perf regression found with culprit

Suspected Commit
  Author : Michael Hablich
  Commit : 7c3936c67a6361371d9a00d83e2c03ecc603ce76
  Date   : Thu Mar 09 08:05:42 2017
  Subject: Version 5.9.34.1 (Turn on I+TF)

Bisect Details
  Configuration: winx64_zen_perf_bisect
  Benchmark    : blink_perf.css
  Metric       : SelectorCountScaling/SelectorCountScaling
  Change       : 22.08% | 104.511222104 -> 81.4303949068

Revision                           Result                  N
chromium@455426                    104.511 +- 1.38869      6      good
chromium@455606                    104.868 +- 1.71846      6      good
chromium@455696                    104.206 +- 2.77189      6      good
chromium@455719                    104.559 +- 2.20517      6      good
chromium@455719,v8@7c3936c67a      80.0514 +- 10.0027      6      bad       <--
chromium@455719,v8@fbffc377e3      81.6983 +- 1.42487      6      bad
chromium@455720                    81.892 +- 2.10971       6      bad
chromium@455721                    79.2535 +- 11.8999      6      bad
chromium@455722                    81.6882 +- 1.52704      6      bad
chromium@455725                    80.7295 +- 6.01941      6      bad
chromium@455730                    81.2636 +- 2.70197      6      bad
chromium@455741                    80.3947 +- 3.45085      6      bad
chromium@455785                    81.4304 +- 6.56767      6      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=release_x64 --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests blink_perf.css

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8985204835218000768

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5882572539691008


| 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!