All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=592285

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDAv5nZswoM


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

chromium-rel-mac10

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


===== SUSPECTED CL(s) =====
Subject : Revert of [DevTools] Postpone more agents instantiation until attached. (patchset #1 id:1 of https://codereview.chromium.org/1746393003/ )
Author  : dgozman
Commit description:
  
Reason for revert:
Speculative revert to fix performance regressions: https://bugs.chromium.org/p/chromium/issues/detail?id=591406

Original issue's description:
> [DevTools] Postpone more agents instantiation until attached.
>
> 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 
>
> Committed: https://crrev.com/b547858514737d59af3c55b2b06b4e511624c304
> Cr-Commit-Position: refs/heads/master@{#378509}

TBR=pfeldman@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG= 590878 

Review URL: https://codereview.chromium.org/1761663003

Cr-Commit-Position: refs/heads/master@{#379111}
Commit  : 924fe8af695e29594c55db971d793d4d931b337c
Date    : Thu Mar 03 22:19:29 2016


===== TESTED REVISIONS =====
Revision                Mean Value  Std. Dev.   Num Values  Good?
chromium@379086         14306.924486559.584155  5           good
chromium@379099         14299.328588423.423548  5           good
chromium@379109         14573.567357282.383819  5           good
chromium@379110         14506.16846245.064572   5           good
chromium@379111         12544.837232167.897729  5           bad
chromium@379113         12629.98075141.528642   5           bad
chromium@379118         12365.071237222.200679  5           bad

Bisect job ran on: mac_10_10_perf_bisect
Bug ID: 592285

Test Command: src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --also-run-disabled-tests blink_perf.parser
Test Metric: query-selector-all-id-deep/query-selector-all-id-deep
Relative Change: 13.57%
Score: 99.9

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/mac_10_10_perf_bisect/builds/2020
Job details: https://chromeperf.appspot.com/buildbucket_job_status/9018879778655998400


| 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 label Cr-Tests-AutoBisect.  Thank you!

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


===== SUSPECTED CL(s) =====
Subject : Revert of [DevTools] Postpone more agents instantiation until attached. (patchset #1 id:1 of https://codereview.chromium.org/1746393003/ )
Author  : dgozman
Commit description:
  
Reason for revert:
Speculative revert to fix performance regressions: https://bugs.chromium.org/p/chromium/issues/detail?id=591406

Original issue's description:
> [DevTools] Postpone more agents instantiation until attached.
>
> 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 
>
> Committed: https://crrev.com/b547858514737d59af3c55b2b06b4e511624c304
> Cr-Commit-Position: refs/heads/master@{#378509}

TBR=pfeldman@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG= 590878 

Review URL: https://codereview.chromium.org/1761663003

Cr-Commit-Position: refs/heads/master@{#379111}
Commit  : 924fe8af695e29594c55db971d793d4d931b337c
Date    : Thu Mar 03 22:19:29 2016


===== TESTED REVISIONS =====
Revision                Mean Value  Std. Dev.   Num Values  Good?
chromium@379040         14809.710248268.579787  5           good
chromium@379086         14757.274032446.611064  5           good
chromium@379099         14541.423647169.320915  8           good
chromium@379109         14283.615783723.826397  8           good
chromium@379110         14560.165059182.129422  5           good
chromium@379111         12642.588596122.818347  8           bad
chromium@379113         12663.959698222.702993  8           bad
chromium@379118         12277.077393328.614015  5           bad

Bisect job ran on: mac_10_10_perf_bisect
Bug ID: 592285

Test Command: src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --also-run-disabled-tests blink_perf.parser
Test Metric: query-selector-all-id-deep/query-selector-all-id-deep
Relative Change: 17.10%
Score: 99.9

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/mac_10_10_perf_bisect/builds/2021
Job details: https://chromeperf.appspot.com/buildbucket_job_status/9018879746659921632


| 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 label Cr-Tests-AutoBisect.  Thank you!