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Issue 706301 link

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



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83.3% regression in v8.detached_context_age_in_gc at 459085:459145

Project Member Reported by ulan@google.com, Mar 29 2017 
See the link to graphs below.

Comment 1 by ulan@google.com, Mar 29 2017 

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=706301

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgrOjtnggM


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

android-nexus5
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Mar 29 2017 


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

Bisect Details
  Configuration: android_nexus5_perf_bisect
  Benchmark    : v8.detached_context_age_in_gc
  Metric       : V8_DetachedContextAgeInGC/Docs  (1 open document tab)

Revision             Result                  N
chromium@459084      4.2381 +- 5.63999       21      good
chromium@459145      4.28571 +- 6.50275      21      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=Docs...1.open.document.tab. v8.detached_context_age_in_gc

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8983804734236012224

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5795471626338304


| 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 11 2017 


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

Bisect Details
  Configuration: android_nexus5_perf_bisect
  Benchmark    : v8.detached_context_age_in_gc
  Metric       : V8_DetachedContextAgeInGC/Docs  (1 open document tab)

Revision             Result                  N
chromium@459084      4.2381 +- 5.63999       21      good
chromium@459145      4.28571 +- 6.50275      21      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=Docs...1.open.document.tab. v8.detached_context_age_in_gc

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8982580674193166656

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5795471626338304


| 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, Apr 27 2017 


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

Bisect Details
  Configuration: android_nexus5_perf_bisect
  Benchmark    : v8.detached_context_age_in_gc
  Metric       : V8_DetachedContextAgeInGC/Docs  (1 open document tab)

Revision             Result                  N
chromium@459084      4.2381 +- 5.63999       21      good
chromium@459145      4.28571 +- 7.63451      21      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=Docs...1.open.document.tab. v8.detached_context_age_in_gc

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8981174424822134592

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5886217687662592


| 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, Apr 27 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: android_nexus5_perf_bisect
  Benchmark    : v8.detached_context_age_in_gc
  Metric       : V8_DetachedContextAgeInGC/Docs  (1 open document tab)
  Change       : 35.71% | 3.0 -> 4.07142857143

Suspected Commit Range
  7 commits in range
  https://chromium.googlesource.com/chromium/src/+log/e8bf718cff493d74924e86951428900469efd53f..8ea295e153e8020017bb43081325a3be0e16e56a


Revision             Result                  N
chromium@459027      3.0 +- 0.0              14       good
chromium@459035      4.07143 +- 5.56135      14       good
chromium@459036      ---                     ---      build failure
chromium@459037      ---                     ---      build failure
chromium@459038      ---                     ---      build failure
chromium@459039      ---                     ---      build failure
chromium@459040      ---                     ---      build failure
chromium@459041      ---                     ---      build failure
chromium@459042      4.35714 +- 5.40502      14       bad
chromium@459057      5.16667 +- 2.61406      6        bad
chromium@459087      4.33333 +- 4.69042      9        bad
chromium@459145      4.07143 +- 4.78838      14       bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=Docs...1.open.document.tab. v8.detached_context_age_in_gc

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8981173753430541824

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5279805081124864


| 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, Apr 27 2017 


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

Bisect Details
  Configuration: android_nexus5_perf_bisect
  Benchmark    : v8.detached_context_age_in_gc
  Metric       : V8_DetachedContextAgeInGC/Docs  (1 open document tab)

Revision             Result                  N
chromium@459084      4.19048 +- 6.42169      21      good
chromium@459145      4.04762 +- 6.24118      21      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=Docs...1.open.document.tab. v8.detached_context_age_in_gc

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8981167968119742896

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5886217687662592


| 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 12 by u...@chromium.org, Apr 28 2017

Status: WontFix (was: Assigned)
No luck with bisect.
Project Member

Comment 14 by 42576172...@developer.gserviceaccount.com, Apr 29 2017 


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

Bisect Details
  Configuration: android_nexus5_perf_bisect
  Benchmark    : v8.detached_context_age_in_gc
  Metric       : V8_DetachedContextAgeInGC/Docs  (1 open document tab)

Revision             Result                  N
chromium@459084      4.09524 +- 6.46603      21      good
chromium@459145      4.28571 +- 6.3471       21      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=Docs...1.open.document.tab. v8.detached_context_age_in_gc

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8981051974960563744

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5886217687662592


| 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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