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Issue 719476 link

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Issue metadata

Status: Duplicate
Merged: issue 719477
Owner:
Last visit > 30 days ago
Closed: May 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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53.5% regression in blink_perf.paint at 469248:469301

Project Member Reported by kraynov@chromium.org, May 8 2017

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=719476

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgipmt4wkM


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

chromium-rel-win7-gpu-intel
Cc: jasonkliu@chromium.org
Owner: jasonkliu@chromium.org

=== Auto-CCing suspected CL author jasonkliu@chromium.org ===

Hi jasonkliu@chromium.org, the bisect results pointed to your CL, please take a look at the
results.


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

Suspected Commit
  Author : jasonkliu
  Commit : 813e697704faf15bfbc14d8381d8f06eda85c86a
  Date   : Thu May 04 07:51:51 2017
  Subject: Enable waterfall testing for DesktopIOSPromotion.

Bisect Details
  Configuration: winx64intel_perf_bisect
  Benchmark    : blink_perf.paint
  Metric       : large-table-repaint/large-table-repaint
  Change       : 1.03% | 185.776285714 -> 183.866

Revision             Result                  N
chromium@469247      185.776 +- 7.85864      14      good
chromium@469274      185.745 +- 9.75404      14      good
chromium@469291      186.864 +- 7.55286      14      good
chromium@469292      185.0 +- 8.34565        21      bad       <--
chromium@469294      184.273 +- 6.31676      14      bad
chromium@469296      181.822 +- 4.04563      6       bad
chromium@469301      183.866 +- 7.18317      14      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 blink_perf.paint

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8980157368572359456

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5335617224835072


| 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!
Mergedinto: 719477
Status: Duplicate (was: Untriaged)
This is not the root cause.

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