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Issue 753982 link

Starred by 1 user
Status: Duplicate
Merged: issue 739303
Owner:
k...@chromium.org
Closed: Sep 2017
Cc:
k...@chromium.org
primiano@chromium.org
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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3.6%-14% regression in smoothness.tough_canvas_cases at 491873:492045

Project Member Reported by primiano@chromium.org, Aug 9 2017 
See the link to graphs below.
Project Member

Comment 1 by 42576172...@developer.gserviceaccount.com, Aug 9 2017 

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=753982

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=9ee23ee2705ce9c2edff50f8840b6fd09e5e2223c840c1adf9589556a210d048


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

chromium-rel-win7-gpu-ati
chromium-rel-win7-gpu-nvidia
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Aug 9 2017

Status: Assigned (was: Untriaged)

=== BISECT JOB RESULTS ===
NO Perf regression found

Bisect Details
  Configuration: winx64ati_perf_bisect
  Benchmark    : smoothness.tough_canvas_cases
  Metric       : frame_times/http___www.megidish.net_awjs_

Revision             Result                  N
chromium@491934      74.2459 +- 37.9527      21      good
chromium@492045      77.8061 +- 5.53855      21      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.megidish.net.awjs. smoothness.tough_canvas_cases

More information on addressing performance regressions:
  http://g.co/ChromePerformanceRegressions

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8971703338467170096


For feedback, file a bug with component Speed>Bisection
Project Member

Comment 5 by 42576172...@developer.gserviceaccount.com, Aug 23 2017 


=== BISECT JOB RESULTS ===
Bisect failed for unknown reasons

Please contact the team (see below) and report the error.


Bisect Details
  Configuration: linux_perf_bisect
  Benchmark    : smoothness.tough_canvas_cases
  Metric       : frame_times/http___www.chiptune.com_starfield_starfield.html


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=http...www.chiptune.com.starfield.starfield.html smoothness.tough_canvas_cases

More information on addressing performance regressions:
  http://g.co/ChromePerformanceRegressions

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8970517684870954480


For feedback, file a bug with component Speed>Bisection

Comment 8 by sullivan@chromium.org, Sep 21 2017 

Kicked off a few more bisects.
Project Member

Comment 9 by 42576172...@developer.gserviceaccount.com, Sep 22 2017

Cc: k...@chromium.org
Owner: k...@chromium.org

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

Hi krb@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 : Kevin Bailey
  Commit : 3cda6c9c7ee5274ea800bce409691a15a949fc2c
  Date   : Thu Aug 03 23:20:18 2017
  Subject: [omnibox] Select-all after revert-all, in more cases

Bisect Details
  Configuration: winx64ati_perf_bisect
  Benchmark    : smoothness.tough_canvas_cases
  Metric       : frame_times/http___www.megidish.net_awjs_
  Change       : 12.68% | 67.9015978274 -> 76.514100576

Revision             Result                   N
chromium@490858      67.9016 +- 8.8623        9      good
chromium@491548      67.868 +- 0.824508       9      good
chromium@491721      66.8139 +- 8.43531       9      good
chromium@491807      67.7635 +- 3.9531        9      good
chromium@491850      68.0 +- 1.65783          9      good
chromium@491872      67.977 +- 4.63946        9      good
chromium@491873      68.5872 +- 2.04887       6      good
chromium@491874      77.4224 +- 0.814075      6      bad       <--
chromium@491875      77.4725 +- 0.867857      6      bad
chromium@491878      75.3129 +- 6.7858        6      bad
chromium@491883      77.4492 +- 0.71725       6      bad
chromium@491893      75.6229 +- 16.7403       9      bad
chromium@492238      76.5141 +- 9.63509       9      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.megidish.net.awjs. smoothness.tough_canvas_cases

More information on addressing performance regressions:
  http://g.co/ChromePerformanceRegressions

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8967809734136744816


For feedback, file a bug with component Speed>Bisection

Comment 10 by k...@chromium.org, Sep 22 2017

Mergedinto: 739303
Status: Duplicate (was: Assigned)
Project Member

Comment 11 by 42576172...@developer.gserviceaccount.com, Sep 22 2017 


=== BISECT JOB RESULTS ===
Bisect failed for unknown reasons

Please contact the team (see below) and report the error.


Bisect Details
  Configuration: linux_perf_bisect
  Benchmark    : smoothness.tough_canvas_cases
  Metric       : frame_times/tough_canvas_cases_rendering_throughput_bouncing_clipped_rectangles.html


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=tough.canvas.cases.rendering.throughput.bouncing.clipped.rectangles.html smoothness.tough_canvas_cases

More information on addressing performance regressions:
  http://g.co/ChromePerformanceRegressions

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8967809760075056288


For feedback, file a bug with component Speed>Bisection
►

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