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Issue 798294 link

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Issue metadata

Status: WontFix
Owner: ----
Closed: Jan 2018
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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8.9%-15.7% regression in system_health.common_mobile at 524761:524936

Project Member Reported by alexclarke@chromium.org, Jan 2 2018

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=798294

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=6923e14902a95e4b75c3f057f46da5113633a9bc03fe6a819b2cd3ead01f00d7


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

android-nexus5X
android-nexus7v2

=== BISECT JOB RESULTS ===
NO Perf regression found, tests failed to produce values

Bisect Details
  Configuration: android_nexus5X_perf_bisect
  Benchmark    : system_health.common_mobile
  Metric       : timeToFirstPaint_avg/browse_news/browse_news_cnn

Revision             Result              N
chromium@524760      887.831 +- 0.0      1      good

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=browse.news.cnn system_health.common_mobile

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8958521402110069312


For feedback, file a bug with component Speed>Bisection

=== BISECT JOB RESULTS ===
NO Perf regression found, tests failed to produce values

Bisect Details
  Configuration: android_nexus5X_perf_bisect
  Benchmark    : system_health.common_mobile
  Metric       : timeToFirstContentfulPaint_avg/browse_news/browse_news_cnn

Revision             Result                 N
chromium@524700      858.02 +- 28.5793      6      good

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=browse.news.cnn system_health.common_mobile

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8958416601752057760


For feedback, file a bug with component Speed>Bisection
Cc: tdres...@chromium.org
Status: WontFix (was: Untriaged)
+tdresser: another case where the first paint values go up and back down again. Didn't produce data when we tried to bisect.

WontFix-ing because it recovered.

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