All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=591314

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDA36ihsAoM


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

chromium-rel-win7-gpu-ati

Started another bisect job:
https://chromeperf.appspot.com/buildbucket_job_status/9019129895199393600

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


===== SUSPECTED CL(s) =====
Subject : [DevTools] Postpone more agents instantiation until attached.
Author  : dgozman
Commit description:
  
To support multiple attached devtools, we have to instantiate
individual agents on demand, rather than on creation.
This patch moves most of agents, with only worker and inspector to go.

BUG= 590878 

Review URL: https://codereview.chromium.org/1746393003

Cr-Commit-Position: refs/heads/master@{#378509}
Commit  : b547858514737d59af3c55b2b06b4e511624c304
Date    : Tue Mar 01 19:17:51 2016


===== TESTED REVISIONS =====
Revision                Mean Value  Std. Dev.   Num Values  Good?
chromium@378507         86038.0839741985.703125 8           good
chromium@378508         85668.9320061952.228377 5           good
chromium@378509         94896.5929714587.378565 5           bad
chromium@378511         90755.0041871662.343624 5           bad
chromium@378514         93018.4213694385.885173 5           bad
chromium@378521         90718.4078983947.492911 8           bad
chromium@378535         90864.341069617.528131  5           bad

Bisect job ran on: linux_perf_bisect
Bug ID: 591314

Test Command: src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --also-run-disabled-tests memory.long_running_idle_gmail_background
Test Metric: V8_MemoryHeapSampleTotalUsed/https___mail.google.com_mail_
Relative Change: 4.69%
Score: 98.0

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/linux_perf_bisect/builds/6274
Job details: https://chromeperf.appspot.com/buildbucket_job_status/9019129895199393600


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|  X  | for more information addressing perf regression bugs. For feedback,
| / \ | file a bug with label Cr-Tests-AutoBisect.  Thank you!