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Issue 706886 link

Starred by 1 user
Status: Duplicate
Merged: issue 705619
Owner: ----
Closed: Mar 2017
Cc:
lanwei@chromium.org
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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9.5%-437.5% regression in system_health.common_desktop at 459637:459662

Project Member Reported by lanwei@chromium.org, Mar 30 2017 
See the link to graphs below.

Comment 1 by lanwei@chromium.org, Mar 30 2017 

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=706886

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgnNGEpQsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7J-z6woM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgnPi4mQgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7PnFmQgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgnPqjogoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgnIC39AoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7OezvgkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgnLHz_goM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7M2YoQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgnMzP8gkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgnJX_pwkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgnJX_pwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgnNzDqQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgnNzDqQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7L399AgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7P_86goM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7LvXgQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgnPi4qQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7OzO5woM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7L39tAsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7OelrwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7NWSvAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7Of-tgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgnMrBvgsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7OfqpwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgnICAvwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgnJGhoQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgnLjQuwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7O_ioQsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7PnFqQsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7L-0uQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7K_B-wgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7OrKpAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7K7irAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7PucsQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7My3qQsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7K_BuwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgnNKbvQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7N2htwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7LvkqwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgnIixvQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgnPDFsQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7J3kpAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7MGDvAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7PKBuwkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7IyxswoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7I_hrwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7OvtqgkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7O3_uQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7IqHpQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7Kjw6ggM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgrN-mvAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgrLvprQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7MjOrAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgrM_dvgsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7LT7rwkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7KSD-QgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7KuQvgkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7LT7rwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgrN_otAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7KSDuQsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgrK-l9QkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7O7-rgkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7J7CuAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7Jm9vgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7MaihwgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgrN_otAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgrIXIrgkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgrLbE1AoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7ObtugoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7PKwogoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7OKb-AkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgrMvmpQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgzJOalgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7KuzpAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7NLspwkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgrI35nAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgrLbE1AgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7P6AtQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7KLUkggM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7MjStQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgrJ-FqQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7P6UrAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgrI_v6wgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgrLvEuAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgrLrQ_wsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgrI-V4woM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7LSdtgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7J7trQsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7MjStQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7OS6vQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7K3UvAsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7NK1vgkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7IvvowkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgrK-QsQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgrO-CswkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgrI_BvAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgrIGLqgsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgrLfhqgsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7MSG6wsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7MSG6wkM,ag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Bot(s) for this bug's original alert(s):

chromium-rel-win10
chromium-rel-win7-dual
chromium-rel-win7-x64-dual
chromium-rel-win8-dual
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Mar 30 2017

Mergedinto: 705619
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : sugoi
  Commit : 7ae2ba1892a8b4dee8d7c231ac0e0fbe66588912
  Date   : Sat Mar 25 13:59:47 2017
  Subject: Solving some telemetry tests' slowness

Bisect Details
  Configuration: win_8_perf_bisect
  Benchmark    : system_health.common_desktop
  Metric       : timeToFirstContentfulPaint_avg/load_news/load_news_qq
  Change       : 59.12% | 1377.587 -> 2191.95266667

Revision             Result                  N
chromium@459649      1377.59 +- 1624.01      9      good
chromium@459650      1155.79 +- 270.637      6      good
chromium@459651      2283.95 +- 1714.58      6      bad       <--
chromium@459653      3146.98 +- 1985.49      6      bad
chromium@459656      3480.77 +- 3095.25      6      bad
chromium@459662      2191.95 +- 2745.95      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 --story-filter=load.news.qq system_health.common_desktop

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8983675448361800976

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5835831434018816


| 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!
►

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