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Issue 604908 link

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Issue metadata

Status: WontFix
Owner:
Closed: Jul 2016
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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12.5% regression in smoothness.gpu_rasterization.top_25_smooth at 387694:387812

Project Member Reported by sullivan@chromium.org, Apr 19 2016

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=604908

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgxMLhsAoM


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

android-nexus7v2
Project Member

Comment 2 by 42576172...@developer.gserviceaccount.com, Apr 20 2016


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


=== Bisection aborted ===
The bisect was aborted because The metric values for the initial "good" and "bad" revisions do not represent a clear regression.
Please contact the the team (see below) if you believe this is in error.

=== Warnings ===
The following warnings were raised by the bisect job:

 * Bisect failed to reproduce the regression with enough confidence.

===== TESTED REVISIONS =====
Revision                Mean Value  Std. Dev.   Num Values  Good?
chromium@387693         14.86811    0.429631    11          good
chromium@387812         15.039542   0.502562    12          bad

Bisect job ran on: android_nexus7_perf_bisect
Bug ID: 604908

Test Command: src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --also-run-disabled-tests smoothness.gpu_rasterization.top_25_smooth
Test Metric: mean_input_event_latency/mean_input_event_latency
Relative Change: 0.60%
Score: 0

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/android_nexus7_perf_bisect/builds/2920
Job details: https://chromeperf.appspot.com/buildbucket_job_status/9014915853071630672


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=604908

| 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!
Cc: msrchandra@chromium.org
Labels: TE-Triaged
Re-kicked a new bisect as previously ran bisect was aborted as the good and bad revisions did not represent a clear regression.
Please track the bisect details here,
https://chromeperf.appspot.com/buildbucket_job_status/9014341646479199680

Thank you.
Techcrunch specific bisect started here:
https://chromeperf.appspot.com/buildbucket_job_status/9013043944924180672
Project Member

Comment 5 by sheriffbot@chromium.org, Jun 1 2016

Labels: -M-52 M-53 MovedFrom-52
Moving this nonessential bug to the next milestone.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot
Labels: -performance-sheriff Performance-Sheriff
Status: WontFix (was: Assigned)
One alert, looks noisy, bisect didn't reproduce.

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