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Issue 706750 link

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Issue metadata

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



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24.4% regression in v8.runtimestats.browsing_desktop at 459012:459077

Project Member Reported by tebbi@chromium.org, Mar 30 2017

Issue description

See the link to graphs below.
 

Comment 1 by tebbi@chromium.org, Mar 30 2017

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=706750

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg7LnCswkM


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

chromium-rel-mac11-pro
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Mar 30 2017


=== BISECT JOB RESULTS ===
Perf regression found but unable to narrow commit range

Build failures prevented the bisect from narrowing the range further.


Bisect Details
  Configuration: mac_pro_perf_bisect
  Benchmark    : v8.runtimestats.browsing_desktop
  Metric       : GC:duration_avg/browse_search/browse_search_google_india
  Change       : 7.99% | 15.2703333333 -> 16.4907857143

Suspected Commit Range
  3 commits in range
  https://chromium.googlesource.com/chromium/src/+log/35b9ec40290254e484cc17e76ee5205b618e23c9..1c6770d7b8fea6afafb20018ffdd28960afab600


Revision             Result                  N
chromium@459011      15.2703 +- 4.00125      21       good
chromium@459028      16.0255 +- 4.17593      14       good
chromium@459037      16.6088 +- 5.68149      21       good
chromium@459038      ---                     ---      build failure
chromium@459039      ---                     ---      build failure
chromium@459040      18.2526 +- 9.24889      14       bad
chromium@459044      18.2096 +- 5.92833      14       bad
chromium@459077      16.4908 +- 4.82643      14       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=browse.search.google.india v8.runtimestats.browsing_desktop

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8983708493770766016

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5283656916008960


| 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!

Comment 4 by tebbi@chromium.org, Apr 3 2017

Status: WontFix (was: Untriaged)
Bisected regression range doesn't make sense and regression is more or less withing flakiness.

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