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Issue 722991 link

Starred by 1 user
Status: WontFix
Owner: ----
Closed: Jul 2017
Cc:
lanwei@google.com
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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24.8% regression in system_health.common_desktop at 471206:471286

Project Member Reported by lanwei@chromium.org, May 16 2017 
See the link to graphs below.

Comment 1 by lanwei@chromium.org, May 16 2017 

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=722991

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg6s-04QsM


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

linux-release
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, May 16 2017 


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

Bisect Details
  Configuration: linux_perf_bisect
  Benchmark    : system_health.common_desktop
  Metric       : timeToFirstContentfulPaint_avg/browse_news/browse_news_cnn

Revision             Result                  N
chromium@471205      731.002 +- 4768.42      21      good
chromium@471286      592.223 +- 1485.72      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 --story-filter=browse.news.cnn system_health.common_desktop

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8979407761199946544

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5299007494029312


| 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 17 2017 


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

Bisect Details
  Configuration: linux_perf_bisect
  Benchmark    : system_health.common_desktop
  Metric       : timeToFirstContentfulPaint_avg/browse_news/browse_news_cnn

Revision             Result                  N
chromium@471205      743.853 +- 4233.61      21      good
chromium@471286      1027.86 +- 6373.49      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 --story-filter=browse.news.cnn system_health.common_desktop

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8979397609528460768

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5299007494029312


| 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, May 30 2017 


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

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


Bisect Details
  Configuration: mac_retina_perf_bisect
  Benchmark    : system_health.common_desktop
  Metric       : timeToFirstMeaningfulPaint_avg/multitab_misc/multitab_misc_typical24


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=multitab.misc.typical24 system_health.common_desktop

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8978240547380182848

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5261813572173824


| 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, Jun 1 2017 


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

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


Bisect Details
  Configuration: mac_retina_perf_bisect
  Benchmark    : system_health.common_desktop
  Metric       : timeToFirstMeaningfulPaint_avg/multitab_misc/multitab_misc_typical24


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=multitab.misc.typical24 system_health.common_desktop

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8978148127750859536

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5261813572173824


| 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 11 by 42576172...@developer.gserviceaccount.com, Jun 12 2017 


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

Bisect Details
  Configuration: linux_perf_bisect
  Benchmark    : system_health.common_desktop
  Metric       : timeToFirstContentfulPaint_avg/load_tools/load_tools_stackoverflow

Revision             Result                  N
chromium@471100      3596.94 +- 30012.2      21      good
chromium@471400      1878.92 +- 19361.0      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 --story-filter=load.tools.stackoverflow system_health.common_desktop

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8976995617698563248

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5242949169840128


| 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 13 by 42576172...@developer.gserviceaccount.com, Jun 12 2017 


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

Bisect Details
  Configuration: linux_perf_bisect
  Benchmark    : system_health.common_desktop
  Metric       : timeToFirstContentfulPaint_avg/load_tools/load_tools_stackoverflow

Revision             Result                 N
chromium@471100      933.902 +- 311.1       21      good
chromium@471400      1604.7 +- 13067.1      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 --story-filter=load.tools.stackoverflow system_health.common_desktop

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8976989242544403824

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5242949169840128


| 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 14 by toyoshim@chromium.org, Jun 21 2017 

 Issue 722990  has been merged into this issue.

Comment 16 by toyoshim@chromium.org, Jun 21 2017 

kick another bisect with a wider range
Project Member

Comment 18 by 42576172...@developer.gserviceaccount.com, Jun 21 2017 


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

Bisect Details
  Configuration: linux_perf_bisect
  Benchmark    : system_health.common_desktop
  Metric       : timeToFirstContentfulPaint_avg/browse_news/browse_news_cnn

Revision             Result                  N
chromium@470826      727.888 +- 4247.4       21      good
chromium@471286      1061.39 +- 5879.75      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 --story-filter=browse.news.cnn system_health.common_desktop

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8976199622584222816

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5295311917940736


| 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 20 by 42576172...@developer.gserviceaccount.com, Jun 21 2017 


=== BISECT JOB RESULTS ===
Perf regression found but unable to narrow commit range

Build failures prevented the bisect from narrowing the range further.


Bisect Details
  Configuration: linux_perf_bisect
  Benchmark    : system_health.common_desktop
  Metric       : timeToFirstContentfulPaint_avg/load_tools/load_tools_stackoverflow
  Change       : 11.77% | 894.880285714 -> 947.833500002

Suspected Commit Range
  2 commits in range
  https://chromium.googlesource.com/chromium/src/+log/9ac1e972f92e44597cf8c9a0473fa2fc7f50655e..2a53c065addcdea227e78a5d9d7c3be69c129ecf


Revision             Result                  N
chromium@470973      894.88 +- 374.316       14       good
chromium@471053      865.163 +- 158.935      14       good
chromium@471057      842.744 +- 68.9035      6        good
chromium@471058      ---                     ---      build failure
chromium@471059      949.092 +- 318.438      14       bad
chromium@471063      1012.0 +- 969.632       14       bad
chromium@471073      935.313 +- 196.33       14       bad
chromium@471091      942.192 +- 257.258      14       bad
chromium@471131      3647.19 +- 25047.2      14       bad
chromium@471286      947.834 +- 328.408      14       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.tools.stackoverflow system_health.common_desktop

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8976199245523884192

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5307879663337472


| 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 21 by 42576172...@developer.gserviceaccount.com, Jun 21 2017 


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

Bisect Details
  Configuration: linux_perf_bisect
  Benchmark    : system_health.common_desktop
  Metric       : timeToFirstContentfulPaint_avg/browse_news/browse_news_cnn

Revision             Result                  N
chromium@470826      920.319 +- 5448.48      21      good
chromium@471286      1196.75 +- 7087.69      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 --story-filter=browse.news.cnn system_health.common_desktop

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8976188968916516016

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5295311917940736


| 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 22 by toyoshim@chromium.org, Jul 4 2017

Status: WontFix (was: Untriaged)
►

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