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Issue 713717 link

Starred by 1 user
Status: WontFix
Owner:
samans@chromium.org
Closed: May 2017
Cc:
samans@chromium.org
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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56.6% improvement in system_health.common_desktop at 463683:463928

Project Member Reported by samans@chromium.org, Apr 20 2017 
See the link to graphs below.

Comment 1 by samans@chromium.org, Apr 20 2017 

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=713717

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgoqHauwkM


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

chromium-rel-mac11-pro
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Apr 20 2017 


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

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


Bisect Details
  Configuration: mac_pro_perf_bisect
  Benchmark    : system_health.common_desktop
  Metric       : timeToFirstMeaningfulPaint_avg/load_media/load_media_dailymotion


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=load.media.dailymotion system_health.common_desktop

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8981786742382995328

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=6172791495196672


| 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, Apr 20 2017 


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

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


Bisect Details
  Configuration: mac_pro_perf_bisect
  Benchmark    : system_health.common_desktop
  Metric       : timeToFirstMeaningfulPaint_avg/load_media/load_media_dailymotion


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=load.media.dailymotion system_health.common_desktop

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8981785577070257920

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=6172791495196672


| 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 7 by 42576172...@developer.gserviceaccount.com, Apr 21 2017 


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

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


Bisect Details
  Configuration: mac_pro_perf_bisect
  Benchmark    : system_health.common_desktop
  Metric       : timeToFirstMeaningfulPaint_avg/load_media/load_media_dailymotion


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=load.media.dailymotion system_health.common_desktop

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8981693357151613664

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=6172791495196672


| 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 9 by 42576172...@developer.gserviceaccount.com, Apr 28 2017

Owner: samans@chromium.org

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

Hi samans@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 : samans
  Commit : 2040988b1345e6ce738bd03ab7ccd5f4b73a956b
  Date   : Tue Apr 11 23:58:35 2017
  Subject: Use MojoCompositorFrameSink in RendererCompositorFrameSink

Bisect Details
  Configuration: mac_pro_perf_bisect
  Benchmark    : system_health.common_desktop
  Metric       : timeToFirstMeaningfulPaint_avg/load_media/load_media_dailymotion
  Change       : 56.12% | 444.8455 -> 195.181333333

Revision             Result                  N
chromium@463682      444.846 +- 13.6209      6       good
chromium@463805      446.894 +- 20.1017      6       good
chromium@463836      446.427 +- 14.4746      6       good
chromium@463844      426.05 +- 169.417       9       good
chromium@463845      207.992 +- 62.9668      6       bad       <--
chromium@463846      206.446 +- 53.3016      6       bad
chromium@463848      289.376 +- 459.785      14      bad
chromium@463852      240.009 +- 200.364      9       bad
chromium@463867      241.305 +- 226.137      9       bad
chromium@463928      195.181 +- 14.0046      6       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 --story-filter=load.media.dailymotion system_health.common_desktop

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8981056341472626304

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=6172791495196672


| 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!

Comment 10 by samans@chromium.org, May 29 2017

Status: WontFix (was: Untriaged)
►

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