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Issue metadata

Status: Duplicate
Merged: issue 705619
Owner: ----
Closed: Mar 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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14%-116.6% regression in system_health.common_desktop at 459650:459662

Project Member Reported by lanwei@chromium.org, Mar 30 2017

Issue description

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=706868

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgrNnKlwgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7O6vsAsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgrN6upQsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7IiGvgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgrN6upQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgrJvkrAsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgrO7KnAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7Lje_QsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7MTrtgsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgrO3L-goM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgrO3L-ggM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7L78oAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgrI2U-QoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgrPPW_QoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7J77vAsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7Om6rQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7KalpQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgrI7JlQsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgrI7JlQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7OCz8QgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgrI35nAgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgrMWZkwsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7JSpvwsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgrNne9goM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7NSapQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7K2KowoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgrKvjtgkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7OnVowoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgrO_xuwkM


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

chromium-rel-win10
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: winx64_10_perf_bisect
  Benchmark    : system_health.common_desktop
  Metric       : timeToFirstMeaningfulPaint_avg/browse_search/browse_search_google_india
  Change       : 129.50% | 764.660166667 -> 1754.93116667

Revision             Result                  N
chromium@459649      764.66 +- 177.076       6      good
chromium@459650      790.276 +- 371.231      9      good
chromium@459651      1709.22 +- 3397.49      6      bad       <--
chromium@459653      1644.11 +- 2924.22      6      bad
chromium@459656      1698.31 +- 2885.0       6      bad
chromium@459662      1754.93 +- 3606.4       6      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=release_x64 --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=browse.search.google.india system_health.common_desktop

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8983678005564460752

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=4606936600805376


| 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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