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Issue 715095 link

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Issue metadata

Status: Duplicate
Merged: issue 714498
Owner: ----
Closed: Apr 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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44.5% regression in v8.browsing_mobile at 466427:466523

Project Member Reported by jgruber@chromium.org, Apr 25 2017

Issue description

https://chromeperf.appspot.com/report?sid=d59dab30ab7a9cde52db2e577bb021bd9ea5ee575e6d71465187958ae68ff22b

Looks infra-related - browse_social_instagram data starts at the same point id. Let's see what bisect says.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=715095

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg4tHitQoM


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

android-nexus5
Mergedinto: 714498
Status: Duplicate (was: Untriaged)
Tentatively marking as dupe, CL range and changes seem to match.
Project Member

Comment 4 by 42576172...@developer.gserviceaccount.com, Apr 25 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_nexus5_perf_bisect
  Benchmark    : v8.browsing_mobile
  Metric       : v8-gc-full-mark-compactor_avg/browse_social/browse_social_facebook
  Change       : 29.01% | 64.4886923077 -> 78.4777777778

Suspected Commit Range
  6 commits in range
  https://chromium.googlesource.com/chromium/src/+log/23a35a681a579d06251142abdbdd653c4e50befd..7efc3b4f736ad5fd919b8e0bc907e9bd143da323


Revision             Result                  N
chromium@466426      64.4887 +- 21.8123      13       good
chromium@466475      62.154 +- 10.5994       9        good
chromium@466499      60.1856 +- 11.8903      13       good
chromium@466500      ---                     ---      build failure
chromium@466501      ---                     ---      build failure
chromium@466502      ---                     ---      build failure
chromium@466503      ---                     ---      build failure
chromium@466504      ---                     ---      build failure
chromium@466505      65.5862 +- 20.1161      9        bad
chromium@466512      65.8626 +- 31.3202      16       bad
chromium@466523      78.4778 +- 41.1295      9        bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=browse.social.facebook v8.browsing_mobile

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8981334385983277712

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=6342818479472640


| 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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