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Issue 721291 link

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Issue metadata

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



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3.5% regression in v8.runtimestats.browsing_mobile_classic at 468528:468567

Project Member Reported by tebbi@google.com, May 11 2017

Issue description

See the link to graphs below.
 

Comment 1 by tebbi@google.com, May 11 2017

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=721291

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgyrXq7wgM


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

android-webview-nexus5X
Owner: tebbi@chromium.org
Status: Assigned (was: Untriaged)
Project Member

Comment 4 by 42576172...@developer.gserviceaccount.com, May 13 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: android_webview_arm64_aosp_perf_bisect
  Benchmark    : v8.runtimestats.browsing_mobile_classic
  Metric       : Parse:duration_avg/browse_shopping/browse_shopping_lazada
  Change       : 1.91% | 788.7595 -> 804.881888889

Suspected Commit Range
  2 commits in range
  https://chromium.googlesource.com/chromium/src/+log/4b3d57d3066c29135644cf93bd3b3e8092aeeed2..b87a74749197d2ca9a718f2fe4d230c950d98b72


Revision             Result                  N
chromium@468527      788.76 +- 8.01886       6        good
chromium@468547      796.258 +- 12.1103      14       good
chromium@468548      ---                     ---      build failure
chromium@468549      799.876 +- 23.137       21       bad
chromium@468550      800.215 +- 15.8838      14       bad
chromium@468552      801.118 +- 17.8211      14       bad
chromium@468557      803.301 +- 14.9548      14       bad
chromium@468567      804.882 +- 11.2064      9        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 --story-filter=browse.shopping.lazada v8.runtimestats.browsing_mobile_classic

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8979900275208613808

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5843090494980096


| 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 5 by tebbi@chromium.org, May 15 2017

Status: WontFix (was: Assigned)
recovered/flaky

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