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Issue 678612 link

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Issue metadata

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



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34.1%-36.2% regression in blink_perf.svg at 440753:440775

Project Member Reported by primiano@chromium.org, Jan 5 2017

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@440752  37.5852  8.06693  30  good
chromium@440775  38.2705  9.80017  30  bad

Bisect job ran on: winx64_zen_perf_bisect
Bug ID: 678612

Test Command: src/tools/perf/run_benchmark -v --browser=release_x64 --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests blink_perf.svg
Test Metric: UnderTheSee/UnderTheSee
Relative Change: 1.82%

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/winx64_zen_perf_bisect/builds/639
Job details: https://chromeperf.appspot.com/buildbucket_job_status/8991297901726776240


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5232252504506368

| 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!

===== 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@440752  31.4028  7.82075  30  good
chromium@440775  31.738   11.9178  30  bad

Bisect job ran on: winx64_zen_perf_bisect
Bug ID: 678612

Test Command: src/tools/perf/run_benchmark -v --browser=release_x64 --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests blink_perf.svg
Test Metric: CrawFishGanson/CrawFishGanson
Relative Change: 1.07%

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/winx64_zen_perf_bisect/builds/640
Job details: https://chromeperf.appspot.com/buildbucket_job_status/8991295060959388800


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5781991541178368

| 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 7 by 42576172...@developer.gserviceaccount.com, Apr 11 2017


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

Bisect Details
  Configuration: winx64_zen_perf_bisect
  Benchmark    : blink_perf.svg
  Metric       : UnderTheSee/UnderTheSee

Revision             Result                  N
chromium@440752      48.3666 +- 91.8664      21      good
chromium@440775      47.6931 +- 98.5755      21      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 blink_perf.svg

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8982651572073340176

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5232252504506368


| 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!
Status: WontFix (was: Untriaged)
This alert was found before M-60 branched. Closing as WontFix as this is believed to either be invalid or non-reproducible.

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