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Issue 675740 link

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Issue metadata

Status: WontFix
Owner: ----
Closed: Feb 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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23% regression in smoothness.sync_scroll.key_mobile_sites_smooth at 439313:439333

Project Member Reported by jasontiller@chromium.org, Dec 19 2016

Issue description

Likely dupe of  http://crbug.com/675010  but I'm splitting it out due to the weird jitter in this graph. We'll see what bisect says.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=675740

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgr_W0sQoM


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

android-nexus9
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Dec 19 2016


===== BISECT JOB RESULTS =====
Status: failed


=== Bisection aborted ===
The bisect was aborted because Bisect cannot identify a culprit: Bisect failed to reproduce the regression with enough confidence.
Please contact the the team (see below) if you believe this is in error.

===== TESTED REVISIONS =====
Revision         Mean     Std Dev  N    Good?
chromium@439312  19.5474  450.273  341  good
chromium@439333  20.8074  713.399  523  bad

Bisect job ran on: android_nexus9_perf_bisect
Bug ID: 675740

Test Command: src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=http...cuteoverload.com smoothness.sync_scroll.key_mobile_sites_smooth
Test Metric: frame_times/http___cuteoverload.com
Relative Change: 6.45%

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/android_nexus9_perf_bisect/builds/2336
Job details: https://chromeperf.appspot.com/buildbucket_job_status/8992809001685232144


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=6347558304088064

| 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!
Project Member

Comment 5 by 42576172...@developer.gserviceaccount.com, Dec 20 2016


===== BISECT JOB RESULTS =====
Status: failed


=== Bisection aborted ===
The bisect was aborted because Bisect cannot identify a culprit: Bisect failed to reproduce the regression with enough confidence.
Please contact the the team (see below) if you believe this is in error.

===== TESTED REVISIONS =====
Revision         Mean     Std Dev  N    Good?
chromium@439312  18.1436  325.516  338  good
chromium@439333  22.7442  731.176  614  bad

Bisect job ran on: android_nexus9_perf_bisect
Bug ID: 675740

Test Command: src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=http...cuteoverload.com smoothness.sync_scroll.key_mobile_sites_smooth
Test Metric: frame_times/http___cuteoverload.com
Relative Change: 25.36%

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/android_nexus9_perf_bisect/builds/2337
Job details: https://chromeperf.appspot.com/buildbucket_job_status/8992798712858769008


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5837096072249344

| 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!
Status: WontFix (was: Untriaged)
Only failed on N9s. WontFix.

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