New issue
Advanced search Search tips

Issue 733956 link

Starred by 1 user

Issue metadata

Status: Duplicate
Merged: issue 733595
Owner: ----
Closed: Jun 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



Sign in to add a comment

10.2%-269.4% regression in v8.browsing_desktop at 479000:479237

Project Member Reported by mlippautz@google.com, Jun 16 2017

Issue description

See the link to graphs below.
 
Project Member

Comment 2 by 42576172...@developer.gserviceaccount.com, Jun 16 2017


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

Bisect Details
  Configuration: mac_10_11_perf_bisect
  Benchmark    : v8.browsing_desktop
  Metric       : v8-gc-incremental-step_max/browse_social/browse_social_facebook_infinite_scroll

Revision             Result                  N
chromium@479090      4.43605 +- 7.81124      21      good
chromium@479237      4.6671 +- 7.7465        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.social.facebook.infinite.scroll v8.browsing_desktop

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8976648659739242672

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=6463380568670208


| 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 4 by 42576172...@developer.gserviceaccount.com, Jun 16 2017


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

Bisect Details
  Configuration: mac_10_11_perf_bisect
  Benchmark    : v8.browsing_desktop
  Metric       : v8-gc-incremental-step_max/browse_social/browse_social_facebook_infinite_scroll

Revision             Result                  N
chromium@479090      4.48286 +- 7.32801      21      good
chromium@479237      4.82986 +- 7.30759      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.social.facebook.infinite.scroll v8.browsing_desktop

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8976638180144520416

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=6463380568670208


| 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, Jun 19 2017


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

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


Bisect Details
  Configuration: winx64intel_perf_bisect
  Benchmark    : v8.browsing_desktop
  Metric       : v8-gc-total_avg/browse_news/browse_news_flipboard


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=browse.news.flipboard v8.browsing_desktop

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8976360777910254992

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=4981543434452992


| 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 19 2017

Mergedinto: 733595
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : Alex Clarke
  Commit : fd98b65e68c329ff0bb43db5a1c15e50aaa6c66d
  Date   : Tue Jun 13 15:44:08 2017
  Subject: Fix logic to flush internal scheduler state on navigation comit.

Bisect Details
  Configuration: winx64intel_perf_bisect
  Benchmark    : v8.browsing_desktop
  Metric       : v8-gc-total_avg/browse_news/browse_news_flipboard
  Change       : 8.51% | 0.52160524933 -> 0.607207871799

Revision             Result                     N
chromium@479011      0.521605 +- 0.220704       9      good
chromium@479022      0.568144 +- 0.0149374      6      good
chromium@479028      0.527718 +- 0.15518        9      good
chromium@479029      0.546237 +- 0.11317        9      good
chromium@479030      0.588246 +- 0.0461508      9      bad       <--
chromium@479031      0.582942 +- 0.0968311      9      bad
chromium@479033      0.58944 +- 0.0137287       6      bad
chromium@479054      0.586623 +- 0.0716367      9      bad
chromium@479097      0.607208 +- 0.106868       6      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=browse.news.flipboard v8.browsing_desktop

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8976358839077851008

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=4981543434452992


| 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 19 2017


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

Bisect Details
  Configuration: win_8_perf_bisect
  Benchmark    : v8.browsing_desktop
  Metric       : memory:chrome:renderer_processes:reported_by_chrome:v8:heap:effective_size_max/browse_social/browse_social_facebook_infinite_scroll

Revision             Result                   N
chromium@478999      42929981 +- 3284157      21      good
chromium@479203      42987910 +- 6245883      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.social.facebook.infinite.scroll v8.browsing_desktop

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8976360789355734000

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5851305047752704


| 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 12 by 42576172...@developer.gserviceaccount.com, Jun 20 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: win_8_perf_bisect
  Benchmark    : v8.browsing_desktop
  Metric       : memory:chrome:renderer_processes:reported_by_chrome:v8:heap:effective_size_max/browse_social/browse_social_facebook_infinite_scroll
  Change       : 1.44% | 42804662.8571 -> 42971591.1111

Suspected Commit Range
  3 commits in range
  https://chromium.googlesource.com/chromium/src/+log/e9a74f6052b03a8dcde8af91af8e440b8a4af490..2459df3e0a30326051943b468419a5465835924b


Revision             Result                   N
chromium@478999      42804663 +- 2027562      14       good
chromium@479025      42804663 +- 1568994      14       good
chromium@479028      42680320 +- 2871644      14       good
chromium@479029      ---                      ---      build failure
chromium@479030      ---                      ---      build failure
chromium@479031      43354405 +- 2688003      21       bad
chromium@479037      43021107 +- 8750271      20       bad
chromium@479050      43504201 +- 2310949      14       bad
chromium@479101      43096537 +- 1759999      13       bad
chromium@479203      42971591 +- 1077309      9        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.social.facebook.infinite.scroll v8.browsing_desktop

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8976343740986973376

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5851305047752704


| 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!

Sign in to add a comment