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Issue metadata

Status: Duplicate
Owner:
Closed: Sep 2016
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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34%-41.6% regression in v8.browsing_desktop at 418796:418836

Project Member Reported by ulan@google.com, Sep 19 2016

Issue description

See the link to graphs below.
 

Comment 1 by ulan@google.com, Sep 19 2016

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=648170

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICguYKrvwsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICguY-4uwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICguYLI6ggM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICguenY5AgM


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

chromium-rel-win10
chromium-rel-win7-gpu-ati
chromium-rel-win7-gpu-intel
chromium-rel-win8-dual
Project Member

Comment 3 by sheriffbot@chromium.org, Sep 19 2016

Labels: Hotlist-Google
Project Member

Comment 4 by 42576172...@developer.gserviceaccount.com, Sep 19 2016

Mergedinto: 647630
Status: Duplicate (was: Assigned)

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


===== SUSPECTED CL(s) =====
Subject : Roll src/third_party/catapult/ 5148bd4b2..3cc40b373 (1 commit).
Author  : catapult-deps-roller
Commit description:
  
https://chromium.googlesource.com/external/github.com/catapult-project/catapult.git/+log/5148bd4b2be6..3cc40b373729

$ git log 5148bd4b2..3cc40b373 --date=short --no-merges --format='%ad %ae %s'
2016-09-15 perezju Revert of "[telemetry] Wire TsProxy through telemetry's network stack." (patchset #1 id:1 of https://codereview.chromium.org/2335403003/ )

BUG=639632

TBR=catapult-sheriff@chromium.org

Review-Url: https://codereview.chromium.org/2341723004
Cr-Commit-Position: refs/heads/master@{#418823}
Commit  : 440493088d060522b1d1a35346edec1dba12fac8
Date    : Thu Sep 15 10:17:41 2016


===== TESTED REVISIONS =====
Revision                             Mean      Std Dev     N  Good?
chromium@418798                      0.207002  0.0068346   5  good
chromium@418813                      0.198425  0.0088711   5  good
chromium@418820                      0.200132  0.00382835  5  good
chromium@418822                      0.200287  0.0103507   5  good
chromium@418822,catapult@3cc40b3737  0.197206  0.00346216  5  good
chromium@418823                      0.296552  0.0109016   5  bad    <--
chromium@418824                      0.298964  0.00856861  5  bad
chromium@418827                      0.293262  0.0225984   5  bad

Bisect job ran on: winx64intel_perf_bisect
Bug ID: 648170

Test Command: src/tools/perf/run_benchmark -v --browser=release_x64 --output-format=chartjson --upload-results --also-run-disabled-tests v8.browsing_desktop
Test Metric: v8-gc-incremental-step_avg/v8-gc-incremental-step_avg
Relative Change: 41.67%
Score: 99.9

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/winx64intel_perf_bisect/builds/1170
Job details: https://chromeperf.appspot.com/buildbucket_job_status/9001104980500963760


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5889242230685696

| 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!

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