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Issue 732707 link

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Issue metadata

Status: Duplicate
Merged: issue 732289
Owner: ----
Closed: Jun 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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13% regression in blink_perf.dom at 478517:478517

Project Member Reported by alexclarke@chromium.org, Jun 13 2017

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=732707

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1ubMqgsM


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

android-webview-nexus6
Project Member

Comment 4 by 42576172...@developer.gserviceaccount.com, Jun 16 2017

Mergedinto: 732289
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : thakis
  Commit : f823f843f06636feb082521d76c282a16fe2d577
  Date   : Sat Jun 10 17:33:46 2017
  Subject: android: switch from gcc to clang.

Bisect Details
  Configuration: android_webview_nexus6_aosp_perf_bisect
  Benchmark    : blink_perf.dom
  Metric       : inner_html_with_selection/inner_html_with_selection
  Change       : 10.20% | 6.306 -> 6.94933333333

Revision             Result                   N
chromium@478516      6.306 +- 0.262511        6      good
chromium@478517      6.94933 +- 0.252316      6      bad       <--

To Run This Test
  src/tools/perf/run_benchmark -v --browser=android-webview --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests blink_perf.dom

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8976736327530756128

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=6466540792184832


| 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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