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Issue 672004 link

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Issue metadata

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



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3.8%-4.3% regression in speedometer at 436332:436451

Project Member Reported by hablich@chromium.org, Dec 7 2016

Issue description

See the link to graphs below.
 

===== 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@436391  981.45   189.918  24  good
chromium@436406  976.412  131.212  24  bad

Bisect job ran on: android_nexus9_perf_bisect
Bug ID: 672004

Test Command: src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests speedometer
Test Metric: FlightJS-TodoMVC/FlightJS-TodoMVC
Relative Change: 0.51%

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/android_nexus9_perf_bisect/builds/2312
Job details: https://chromeperf.appspot.com/buildbucket_job_status/8993938614963271200


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5627777301086208

| 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)
Project Member

Comment 6 by 42576172...@developer.gserviceaccount.com, Apr 11 2017


=== BISECT JOB RESULTS ===
NO Perf regression found

Bisect Details
  Configuration: android_nexus9_perf_bisect
  Benchmark    : speedometer
  Metric       : FlightJS-TodoMVC/FlightJS-TodoMVC

Revision             Result                  N
chromium@436391      981.45 +- 189.918       24      good
chromium@436406      976.412 +- 131.212      24      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests speedometer

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8982611757270469600

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5627777301086208


| 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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