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Issue metadata

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



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26.7%-53.9% regression in loading.mobile at 451004:451194

Project Member Reported by rsch...@chromium.org, Feb 21 2017

Issue description

See the link to graphs below.
 
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Feb 21 2017


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

Bisect Details
  Configuration: android_nexus7_perf_bisect
  Benchmark    : loading.mobile
  Metric       : timeToFirstMeaningfulPaint_avg/Regular-3G/https___en.m.wikipedia.org_wiki_Solo_Foods

Revision             Result                  N
chromium@451003      4327.23 +- 1103.44      21      good
chromium@451131      4405.72 +- 1721.07      21      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 --story-filter=https...en.m.wikipedia.org.wiki.Solo.Foods loading.mobile

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8987039572001706944

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5795002082394112


| 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!
Project Member

Comment 6 by 42576172...@developer.gserviceaccount.com, Feb 27 2017


=== BISECT JOB RESULTS ===
Bisect failed unexpectedly

Bisect was aborted with the following:
  Infra Failure: Step('Re-testing reference range.Retesting BAD revision.gsutil download_build_product') returned 1


Bisect Details
  Configuration: android_nexus7_perf_bisect
  Benchmark    : loading.mobile
  Metric       : timeToFirstMeaningfulPaint_avg/Regular-3G/https___en.m.wikipedia.org_wiki_Solo_Foods

Revision             Result                  N
chromium@451003      4330.97 +- 807.066      9      good
chromium@451131      4304.4 +- 394.617       6      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 --story-filter=https...en.m.wikipedia.org.wiki.Solo.Foods loading.mobile

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8986483674547830176

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=6453519420227584


| 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!
Project Member

Comment 7 by 42576172...@developer.gserviceaccount.com, Feb 27 2017


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

Bisect Details
  Configuration: android_nexus7_perf_bisect
  Benchmark    : loading.mobile
  Metric       : timeToFirstContentfulPaint_avg/Regular-3G/https___www.youtube.com_watch?v_MU3YuvNRhVY

Revision             Result                  N
chromium@451082      10100.4 +- 3647.32      21      good
chromium@451194      9881.95 +- 839.774      21      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 --story-filter=https...www.youtube.com.watch.v.MU3YuvNRhVY loading.mobile

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8986483658637711856

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5879093918171136


| 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!
Labels: Performance-Loading
Project Member

Comment 10 by 42576172...@developer.gserviceaccount.com, Apr 11 2017


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

Bisect Details
  Configuration: android_nexus7_perf_bisect
  Benchmark    : loading.mobile
  Metric       : timeToFirstMeaningfulPaint_avg/Regular-3G/https___en.m.wikipedia.org_wiki_Solo_Foods

Revision             Result                  N
chromium@451003      4327.23 +- 1103.44      21      good
chromium@451131      4405.72 +- 1721.07      21      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 --story-filter=https...en.m.wikipedia.org.wiki.Solo.Foods loading.mobile

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8982584450504117840

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5795002082394112


| 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)
loading triage: close for no regression found

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