New issue
Advanced search Search tips

Issue 721357 link

Starred by 1 user

Issue metadata

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



Sign in to add a comment

23.6% regression in page_cycler_v2_site_isolation.basic_oopif at 470448:470519

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

Issue description

See the link to graphs below.
 

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

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=721357

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgqt2NtAkM


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

chromium-rel-win7-gpu-intel
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, May 11 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: winx64intel_perf_bisect
  Benchmark    : page_cycler_v2_site_isolation.basic_oopif
  Metric       : timeToFirstMeaningfulPaint_avg/pcv1-warm/http___www.fifa.com_
  Change       : 22.40% | 260.56 -> 318.919333333

Revision             Result                  N
chromium@470447      260.56 +- 12.9519       6      good
chromium@470483      264.697 +- 3.61221      6      good
chromium@470488      264.424 +- 8.52744      6      good
chromium@470489      261.508 +- 4.69601      6      good
chromium@470490      309.518 +- 42.5456      6      bad       <--
chromium@470492      300.636 +- 48.7742      6      bad
chromium@470501      325.929 +- 16.1974      6      bad
chromium@470519      318.919 +- 57.8049      6      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=release_x64 --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=http...www.fifa.com. page_cycler_v2_site_isolation.basic_oopif

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8979884503808572720

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=6192190000201728


| 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