New issue
Advanced search Search tips

Issue 732810 link

Starred by 1 user

Issue metadata

Status: Duplicate
Merged: issue 731880
Owner: ----
Closed: Jun 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



Sign in to add a comment

11.1%-97.2% regression in v8.runtimestats.browsing_desktop at 477892:477984

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

Issue description

See the link to graphs below.
 

Comment 1 by tebbi@chromium.org, Jun 13 2017

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=732810

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDglp2GsAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1u6O4AgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1rnBtgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1s2apAsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1rnapwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDglq-EpQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgltnd8AgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1vONqAsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgluvF9AoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDglr7AqgkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDglp3hqQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1tCitgsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1tDdoAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDglrfAsgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1s7ZpQsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDglq7l5QsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1uTDpwsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1sL-7QkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg5p2wsgsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1ryDpAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1uSAvAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDglofwqQsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1tiwoQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgloa9xAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg5sagngkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDglrG7pAsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDglr-Y7gkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDglq6BuAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDglsH64AsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDglvvStwkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDglo6hnAgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1pjEqgsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg5v_ZiAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDglrz4igoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgloqzvgkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDglvyl-QoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1pjptwsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDglvjj-ggM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg5oHHnQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg5sONjwgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDglqDMqAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgluzfuwkM


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

android-nexus5X
android-webview-nexus6
chromium-rel-mac-retina
chromium-rel-mac11
chromium-rel-mac11-air
chromium-rel-mac11-pro
chromium-rel-mac12
chromium-rel-mac12-mini-8gb
chromium-rel-win8-dual
win-high-dpi
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Jun 13 2017

Mergedinto: 731880
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : Alex Clarke
  Commit : cfd4fb5bd56f9e0f98668471a21f7f720cd5c311
  Date   : Thu Jun 08 10:26:12 2017
  Subject: Pause virtual time until provisional navigations are committed

Bisect Details
  Configuration: win_8_perf_bisect
  Benchmark    : v8.runtimestats.browsing_desktop
  Metric       : Total:duration_avg/browse_news/browse_news_reddit
  Change       : 75.79% | 10976.9888333 -> 19296.6215

Revision             Result                  N
chromium@477914      10977.0 +- 4056.14      6      good
chromium@477931      11106.0 +- 4936.78      9      good
chromium@477933      11495.5 +- 7394.52      6      good
chromium@477934      10997.0 +- 5362.36      6      good
chromium@477935      20607.5 +- 5796.06      6      bad       <--
chromium@477939      18858.5 +- 11057.4      9      bad
chromium@477947      19296.6 +- 4183.83      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=browse.news.reddit v8.runtimestats.browsing_desktop

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8976892374273918176

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=6616631377133568


| 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!

Sign in to add a comment