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1%-12.9% regression in scheduler.tough_scheduling_cases at 420072:420164 |
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Issue descriptionSee the link to graphs below.
,
Sep 25 2016
Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/9000579357797223968
,
Sep 25 2016
===== BISECT JOB RESULTS =====
Status: completed
===== SUSPECTED CL(s) =====
Subject : Merge all Field Trial Testing Configuration Together
Author : robliao
Commit description:
This change brings together many of the separate platform specific
Field Trial Testing configurations together, reducing duplication.
BUG=637095
TEST=Manually Compare Old and New Resulting C++ files
* - ["android", "chromeos", "ios", "linux", "mac", "win"]
fieldtrial_to_struct_master.py \
fieldtrial_testing_config_*.json \
--namespace=chrome_variations \
--schema=fieldtrial_testing_config_schema.json \
--output=old/fieldtrial_testing_config_*
fieldtrial_to_struct.py \
fieldtrial_testing_config.json \
--namespace=chrome_variations \
--schema=fieldtrial_testing_config_schema.json \
--platform=* \
--output=new/fieldtrial_testing_config_*
diff old/fieldtrial_testing_config_*.[cc|h] \
new/fieldtrial_testing_config_*.[cc|h]
No material differences.
Review-Url: https://codereview.chromium.org/2296493002
Cr-Commit-Position: refs/heads/master@{#420112}
Commit : 74ce2fa9c04444812d985ef37ecd377e23e09145
Date : Wed Sep 21 18:36:33 2016
===== TESTED REVISIONS =====
Revision Mean Std Dev N Good?
chromium@420078 0.0868157 0.00173043 5 good
chromium@420098 0.0865522 0.00166683 5 good
chromium@420108 0.085612 0.00122782 5 good
chromium@420111 0.0864068 0.00119568 5 good
chromium@420112 0.0972932 0.000840907 5 bad <--
chromium@420113 0.0976136 0.00178666 5 bad
chromium@420117 0.0975356 0.00152183 5 bad
Bisect job ran on: mac_retina_perf_bisect
Bug ID: 649998
Test Command: src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --also-run-disabled-tests scheduler.tough_scheduling_cases
Test Metric: queueing_durations/queueing_durations
Relative Change: 12.35%
Score: 99.9
Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/mac_retina_perf_bisect/builds/1685
Job details: https://chromeperf.appspot.com/buildbucket_job_status/9000579357797223968
Not what you expected? We'll investigate and get back to you!
https://chromeperf.appspot.com/bad_bisect?try_job_id=4972118696001536
| 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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Comment 1 by benjhayden@chromium.org
, Sep 25 2016