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Issue 758228 link

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Issue metadata

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



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39.7% regression in page_cycler_v2.basic_oopif at 494991:495262

Project Member Reported by nzolghadr@chromium.org, Aug 23 2017

Issue description

See the link to graphs below.
 
Project Member

Comment 1 by 42576172...@developer.gserviceaccount.com, Aug 23 2017

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=758228

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=2ed276df9b70c66a7786ccecf32b9ce58c5f9587c4e807b9d36c96a5b1ea7ddb


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

chromium-rel-mac-retina
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Aug 23 2017


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

Bisect Details
  Configuration: mac_retina_perf_bisect
  Benchmark    : page_cycler_v2.basic_oopif
  Metric       : timeToFirstContentfulPaint_avg/pcv1-cold/http___www.fifa.com_

Revision             Result                  N
chromium@494990      333.237 +- 164.548      21      good
chromium@495262      339.062 +- 134.379      21      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=http...www.fifa.com. page_cycler_v2.basic_oopif

More information on addressing performance regressions:
  http://g.co/ChromePerformanceRegressions

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8970456364780309600


For feedback, file a bug with component Speed>Bisection
Project Member

Comment 5 by 42576172...@developer.gserviceaccount.com, Aug 25 2017


=== BISECT JOB RESULTS ===
Bisect was unable to run to completion

Error: INFRA_FAILURE

The bisect was able to narrow the range, you can try running with:
  good_revision: d2e208d4142087c53818440694a976c88d2293ce
  bad_revision : f33070c63b05f0261b545d69dacacfa05502abc5

If failures persist contact the team (see below) and report the error.


Bisect Details
  Configuration: mac_retina_perf_bisect
  Benchmark    : page_cycler_v2.basic_oopif
  Metric       : timeToFirstContentfulPaint_avg/pcv1-cold/http___www.fifa.com_

Revision             Result                  N
chromium@494032      274.666 +- 125.821      14       good
chromium@494340      270.848 +- 118.462      14       good
chromium@494430      ---                     ---      build failure
chromium@494431      291.0 +- 88.1295        14       bad
chromium@494494      287.86 +- 76.0404       14       bad
chromium@494647      327.48 +- 151.878       21       bad
chromium@495262      339.562 +- 89.9355      14       bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=http...www.fifa.com. page_cycler_v2.basic_oopif

More information on addressing performance regressions:
  http://g.co/ChromePerformanceRegressions

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8970440535635713536


For feedback, file a bug with component Speed>Bisection
Status: WontFix (was: Untriaged)
This benchmark has been turned down.

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