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Issue 670738 link

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Issue metadata

Status: WontFix
Owner: ----
Closed: Dec 2016
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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77.2% regression in page_cycler_v2.intl_ko_th_vi at 435240:435468

Project Member Reported by qyears...@chromium.org, Dec 2 2016

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=670738

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgx6CyvAsM


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

chromium-rel-mac-hdd

===== 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@435239  257.843  58.4854  27  good
chromium@435468  249.993  68.4898  27  bad

Bisect job ran on: mac_hdd_perf_bisect
Bug ID: 670738

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...kenh14.vn.home.chn page_cycler_v2.intl_ko_th_vi
Test Metric: timeToFirstMeaningfulPaint_avg/pcv1-warm/http___kenh14.vn_home.chn
Relative Change: 3.04%

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/mac_hdd_perf_bisect/builds/897
Job details: https://chromeperf.appspot.com/buildbucket_job_status/8994369156669135056


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=4997609263988736

| 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)
Recovered.
Project Member

Comment 6 by 42576172...@developer.gserviceaccount.com, Apr 10 2017


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

Bisect Details
  Configuration: mac_hdd_perf_bisect
  Benchmark    : page_cycler_v2.intl_ko_th_vi
  Metric       : timeToFirstMeaningfulPaint_avg/pcv1-warm/http___kenh14.vn_home.chn

Revision             Result                  N
chromium@435239      257.843 +- 58.4854      27      good
chromium@435468      249.993 +- 68.4898      27      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...kenh14.vn.home.chn page_cycler_v2.intl_ko_th_vi

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8982667373690323792

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=4997609263988736


| 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 8 by 42576172...@developer.gserviceaccount.com, Apr 11 2017


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

Bisect Details
  Configuration: mac_10_12_perf_bisect
  Benchmark    : page_cycler_v2.intl_ko_th_vi
  Metric       : timeToFirstMeaningfulPaint_avg/pcv1-warm/http___kenh14.vn_home.chn

Revision             Result                  N
chromium@435239      232.054 +- 79.1023      21      good
chromium@435468      232.497 +- 75.7493      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...kenh14.vn.home.chn page_cycler_v2.intl_ko_th_vi

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8982576394492228512

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=4997609263988736


| 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!

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