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Issue 678596 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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16.3%-33.5% regression in page_cycler_v2_site_isolation.basic_oopif at 440856:440900

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@440855  77.6033  141.13   21  good
chromium@440900  69.6182  8.95742  21  bad

Bisect job ran on: linux_perf_bisect
Bug ID: 678596

Test Command: src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=http...www.ebay.com page_cycler_v2_site_isolation.basic_oopif
Test Metric: timeToFirstContentfulPaint_avg/pcv1-cold/http___www.ebay.com
Relative Change: 10.29%

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/linux_perf_bisect/builds/6967
Job details: https://chromeperf.appspot.com/buildbucket_job_status/8991301682314645088


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=6696625764827136

| 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@440855  268.281  31.0195  21  good
chromium@440900  268.898  19.738   21  bad

Bisect job ran on: linux_perf_bisect
Bug ID: 678596

Test Command: src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=http...www.ebay.com page_cycler_v2_site_isolation.basic_oopif
Test Metric: timeToFirstMeaningfulPaint_avg/pcv1-warm/http___www.ebay.com
Relative Change: 0.23%

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/linux_perf_bisect/builds/6968
Job details: https://chromeperf.appspot.com/buildbucket_job_status/8991297866220850192


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5243996018835456

| 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)
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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