New issue
Advanced search Search tips

Issue 737703 link

Starred by 1 user

Issue metadata

Status: Duplicate
Merged: issue 737396
Owner: ----
Closed: Jun 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



Sign in to add a comment

13.3% regression in jetstream at 482327:482481

Project Member Reported by tdres...@chromium.org, Jun 28 2017

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=737703

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgrruwnggM


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

win-high-dpi
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Jun 29 2017

Mergedinto: 737396
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : Marc Treib
  Commit : 6fb10fe065b1cfe4c4aa691c31c03e7387a72d40
  Date   : Mon Jun 26 18:39:55 2017
  Subject: Fieldtrial testing config for CaptureThumbnailOnLoadFinished

Bisect Details
  Configuration: winx64_high_dpi_perf_bisect
  Benchmark    : jetstream
  Metric       : Score/Score
  Change       : 13.63% | 120.222222222 -> 103.833333333

Revision             Result                  N
chromium@482326      120.222 +- 3.22031      6      good
chromium@482331      120.167 +- 4.02078      6      good
chromium@482334      119.833 +- 4.31406      6      good
chromium@482335      120.222 +- 3.11508      6      good
chromium@482336      105.222 +- 3.70185      6      bad       <--
chromium@482346      102.611 +- 5.5461       6      bad
chromium@482365      102.222 +- 3.0429       6      bad
chromium@482404      103.833 +- 2.29734      6      bad
chromium@482481      103.833 +- 4.23609      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 jetstream

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8975514425208252624

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5663338941382656


| 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