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Issue 732712 link

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Issue metadata

Status: Duplicate
Owner: ----
Closed: Jun 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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21.1% regression in system_health.common_desktop at 477229:477275

Project Member Reported by alexclarke@chromium.org, Jun 13 2017

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=732712

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1oq6uQoM


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

chromium-rel-win7-gpu-intel
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Jun 13 2017


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

Bisect Details
  Configuration: winx64intel_perf_bisect
  Benchmark    : system_health.common_desktop
  Metric       : timeToFirstMeaningfulPaint_avg/load_games/load_games_miniclip

Revision             Result                  N
chromium@477228      2968.63 +- 1585.38      21      good
chromium@477275      3206.02 +- 4905.3       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=load.games.miniclip system_health.common_desktop

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8976919048882828320

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5044077956956160


| 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 6 by 42576172...@developer.gserviceaccount.com, Jun 13 2017


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

Bisect Details
  Configuration: winx64intel_perf_bisect
  Benchmark    : system_health.common_desktop
  Metric       : timeToFirstMeaningfulPaint_avg/load_games/load_games_miniclip

Revision             Result                  N
chromium@477228      3133.02 +- 2699.36      21      good
chromium@477275      3011.13 +- 2428.74      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=load.games.miniclip system_health.common_desktop

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8976909972105628544

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5044077956956160


| 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 8 by 42576172...@developer.gserviceaccount.com, Jun 13 2017

Mergedinto: 730475
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : mek
  Commit : c8e2b27f71c6792fa1072fa98a22c111ad229090
  Date   : Tue Jun 06 23:18:28 2017
  Subject: Switch to mojo localstorage backend by default.

Bisect Details
  Configuration: winx64intel_perf_bisect
  Benchmark    : system_health.common_desktop
  Metric       : timeToFirstMeaningfulPaint_avg/load_games/load_games_miniclip
  Change       : 74.75% | 2604.548 -> 4256.91344444

Revision             Result                  N
chromium@477000      2604.55 +- 603.887      9       good
chromium@477250      2849.67 +- 1575.56      9       good
chromium@477375      2985.43 +- 1550.48      14      good
chromium@477438      2802.66 +- 652.17       9       good
chromium@477454      2835.52 +- 866.908      14      good
chromium@477456      2809.09 +- 953.736      9       good
chromium@477457      2925.06 +- 1274.87      9       good
chromium@477458      3570.85 +- 1540.66      9       bad       <--
chromium@477462      3496.44 +- 1472.06      9       bad
chromium@477469      3249.23 +- 843.045      9       bad
chromium@477500      4256.91 +- 5721.96      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=load.games.miniclip system_health.common_desktop

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8976912773006518400

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=6454264701911040


| 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 13 2017


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

Suspected Commit
  Author : mek
  Commit : c8e2b27f71c6792fa1072fa98a22c111ad229090
  Date   : Tue Jun 06 23:18:28 2017
  Subject: Switch to mojo localstorage backend by default.

Bisect Details
  Configuration: winx64intel_perf_bisect
  Benchmark    : system_health.common_desktop
  Metric       : timeToFirstMeaningfulPaint_avg/load_games/load_games_miniclip
  Change       : 10.34% | 3152.13814286 -> 3477.94992857

Revision             Result                  N
chromium@477000      3152.14 +- 1590.6       14      good
chromium@477250      3067.15 +- 214.746      6       good
chromium@477375      2952.0 +- 433.012       6       good
chromium@477438      3047.75 +- 1291.0       9       good
chromium@477454      3026.41 +- 1286.17      9       good
chromium@477456      3051.45 +- 825.527      9       good
chromium@477457      2861.43 +- 1465.27      14      good
chromium@477458      3533.41 +- 417.756      9       bad       <--
chromium@477462      3508.83 +- 1722.78      14      bad
chromium@477469      3928.17 +- 2337.79      9       bad
chromium@477500      3580.01 +- 458.557      6       bad
chromium@478000      3477.95 +- 1217.32      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 --story-filter=load.games.miniclip system_health.common_desktop

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8976904407205676848

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5854264213110784


| 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!

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