New issue
Advanced search Search tips
Note: Color blocks (like or ) mean that a user may not be available. Tooltip shows the reason.

Issue 722030 link

Starred by 3 users

Issue metadata

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



Sign in to add a comment

66.1% regression in v8.runtimestats.browsing_desktop at 470447:470521

Project Member Reported by mlippautz@google.com, May 13 2017

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=722030

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg6oCFqwsM


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

chromium-rel-mac-retina
Project Member

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

Mergedinto: 721238
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : yhirano
  Commit : 91088a195969f5af61f404c9f02edc622cbe373a
  Date   : Wed May 10 05:49:31 2017
  Subject: Add Field Trial Testing Configuration for MojoLoading

Bisect Details
  Configuration: mac_retina_perf_bisect
  Benchmark    : v8.runtimestats.browsing_desktop
  Metric       : v8-gc-total_avg/browse_news/browse_news_nytimes
  Change       : 36.82% | 0.65805316979 -> 0.900346198268

Revision             Result                    N
chromium@470446      0.658053 +- 0.125336      6      good
chromium@470484      0.63632 +- 0.30492        9      good
chromium@470489      0.577164 +- 0.206451      6      good
chromium@470490      0.838715 +- 0.228445      6      bad       <--
chromium@470491      0.938497 +- 0.2506        5      bad
chromium@470492      0.915114 +- 0.184303      6      bad
chromium@470494      0.858316 +- 0.21084       6      bad
chromium@470503      0.881686 +- 0.375985      9      bad
chromium@470521      0.900346 +- 0.226534      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.nytimes v8.runtimestats.browsing_desktop

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8979712367971938256

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5790868658716672


| 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 js...@chromium.org, May 24 2017

Cc: littledan@chromium.org yamaguchi@chromium.org abod...@chromium.org fukino@chromium.org dhadd...@chromium.org sdantul...@chromium.org yangguo@chromium.org js...@chromium.org jochen@chromium.org
 Issue 698855  has been merged into this issue.

Sign in to add a comment