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Issue 681642 link

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Issue metadata

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



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1.1% regression in page_cycler_v2.intl_ko_th_vi at 443169:443201

Project Member Reported by nzolghadr@chromium.org, Jan 16 2017

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=681642

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgwPHk4goM


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

chromium-rel-win8-dual
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Jan 16 2017

Cc: keishi@chromium.org
Owner: keishi@chromium.org

=== Auto-CCing suspected CL author keishi@chromium.org ===

Hi keishi@chromium.org, the bisect results pointed to your CL, please take a look at the
results.


=== BISECT JOB RESULTS ===
Perf regression found with culprit

Suspected Commit
  Author : keishi
  Commit : 51ed0d54153a164e68155447fcd1cfcb393f1870
  Date   : Thu Jan 12 10:04:46 2017
  Subject: Add renderer memory metrics

Bisect Details
  Configuration: win_8_perf_bisect
  Benchmark    : page_cycler_v2.intl_ko_th_vi
  Metric       : timeToFirstMeaningfulPaint_avg/pcv1-warm/http___www.daum.net_
  Change       : 1.05% | 383.388333333 -> 387.406

Revision             Result                  N
chromium@443168      383.388 +- 2.66269      6      good
chromium@443185      383.608 +- 2.04722      6      good
chromium@443193      384.071 +- 1.21204      6      good
chromium@443194      384.026 +- 2.30578      6      good
chromium@443195      387.24 +- 2.14308       6      bad       <--
chromium@443197      389.348 +- 11.4888      6      bad
chromium@443201      387.406 +- 2.96654      6      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.daum.net. page_cycler_v2.intl_ko_th_vi

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8990284040580154000

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5835897745965056


| 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: Assigned (was: Untriaged)
This bug has an owner, but was in a state that our triage picked up. Marking as Assigned.
Status: WontFix (was: Assigned)
We no longer track this benchmark.

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