All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=731648

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDglqGn6ggM


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

chromium-rel-win7-dual

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8977268476280012800

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

Hi hpayer@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 : hpayer
  Commit : cf8f7bdc9d5ee314a10fe043e421ec95604d4eca
  Date   : Wed Jun 07 13:21:28 2017
  Subject: [heap] Increase memory reducer activation limit for external memory changes.

Bisect Details
  Configuration: win_perf_bisect
  Benchmark    : memory.long_running_idle_gmail_tbmv2
  Metric       : memory:chrome:renderer_processes:reported_by_chrome:v8:effective_size_avg/memory:chrome:renderer_processes:reported_by_chrome:v8:effective_size_avg
  Change       : 1.81% | 60003507.2249 -> 61087124.3564

Revision                           Result                   N
chromium@477619                    60003507 +- 2937092      14      good
chromium@477652                    60206861 +- 1561100      9       good
chromium@477669                    59819674 +- 1396129      6       good
chromium@477677                    59450117 +- 1361260      6       good
chromium@477677,v8@f2cd359ac9      59413575 +- 2358249      9       good
chromium@477677,v8@d2066154c8      59908754 +- 5089685      9       good
chromium@477677,v8@cf8f7bdc9d      60755079 +- 1543666      9       bad       <--
chromium@477678                    60956012 +- 2251198      9       bad
chromium@477679                    60891609 +- 760353       6       bad
chromium@477681                    60623501 +- 973590       9       bad
chromium@477685                    61164371 +- 1093626      6       bad
chromium@477751                    61087124 +- 1906512      9       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 memory.long_running_idle_gmail_tbmv2

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8977268476280012800

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=4894043508572160


| 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!

 Issue 731705  has been merged into this issue.

 Issue 731061  has been merged into this issue.

 Issue 731651  has been merged into this issue.

This change reduced the memory savings of a CL that landed a few days earlier but was triggering garbage collection too aggressively.

 Issue 732298  has been merged into this issue.

 Issue 733114  has been merged into this issue.

 Issue 733114  has been merged into this issue.