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Issue 725954 link

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Issue metadata

Status: WontFix
Owner: ----
Closed: Jul 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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41.5% regression in blink_perf.canvas at 472528:472615

Project Member Reported by pmeenan@chromium.org, May 24 2017

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=725954

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguo29oQsM


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

chromium-rel-mac-retina
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, May 24 2017


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

Bisect Details
  Configuration: mac_retina_perf_bisect
  Benchmark    : blink_perf.canvas
  Metric       : upload-canvas-2d-to-texture/upload-canvas-2d-to-texture

Revision             Result                  N
chromium@472527      6224.64 +- 1324.68      21      good
chromium@472615      6178.35 +- 889.936      21      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 blink_perf.canvas

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8978699804814888480

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5877181026140160


| 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!
Project Member

Comment 5 by 42576172...@developer.gserviceaccount.com, May 24 2017


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

Bisect Details
  Configuration: mac_retina_perf_bisect
  Benchmark    : blink_perf.canvas
  Metric       : upload-canvas-2d-to-texture/upload-canvas-2d-to-texture

Revision             Result                  N
chromium@472527      5633.94 +- 398.891      21      good
chromium@472615      5570.45 +- 469.003      21      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 blink_perf.canvas

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8978687938097090448

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5877181026140160


| 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!
The graph looks pretty bi-modal so this might be noise.  Currently the metric has 'recovered' so we may be able to close this if the bots don't find anything.
Project Member

Comment 8 by 42576172...@developer.gserviceaccount.com, Jun 12 2017


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

Bisect Details
  Configuration: mac_retina_perf_bisect
  Benchmark    : blink_perf.canvas
  Metric       : upload-canvas-2d-to-texture/upload-canvas-2d-to-texture

Revision             Result                  N
chromium@472500      6109.96 +- 933.741      21      good
chromium@472650      6064.96 +- 1234.6       21      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 blink_perf.canvas

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8976999825548770960

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5267077490802688


| 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!
Project Member

Comment 10 by 42576172...@developer.gserviceaccount.com, Jun 12 2017


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

Bisect Details
  Configuration: mac_retina_perf_bisect
  Benchmark    : blink_perf.canvas
  Metric       : upload-canvas-2d-to-texture/upload-canvas-2d-to-texture

Revision             Result                  N
chromium@472500      6084.39 +- 986.795      21      good
chromium@472650      5999.58 +- 1176.63      21      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 blink_perf.canvas

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8976989241153895248

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5267077490802688


| 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!
Status: WontFix (was: Untriaged)
This alert was found before M-60 branched. Closing as WontFix as this is believed to either be invalid or non-reproducible. 

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