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Issue 670210 link

Starred by 1 user
Status: Duplicate
Merged: issue 669603
Owner:
█ epertoso@chromium.org
Last visit > 30 days ago
Closed: Dec 2016
Cc:
█ epertoso@chromium.org
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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8.3%-22.8% regression in v8.browsing_desktop_ignition at 433502:434580

Project Member Reported by epertoso@chromium.org, Dec 1 2016 
See the link to graphs below.
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Dec 1 2016 


===== BISECT JOB RESULTS =====
Status: failed


=== Bisection aborted ===
The bisect was aborted because Bisect cannot identify a culprit: Bisect failed to reproduce the regression with enough confidence.
Please contact the the team (see below) if you believe this is in error.

===== TESTED REVISIONS =====
Revision         Mean      Std Dev   N   Good?
chromium@433927  39412675  51097111  25  good
chromium@434020  40531997  51664219  25  bad

Bisect job ran on: linux_perf_bisect
Bug ID: 670210

Test Command: src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests v8.infinite_scroll_tbmv2
Test Metric: memory:chrome:renderer_processes:reported_by_chrome:v8:heap:allocated_objects_size_max/memory:chrome:renderer_processes:reported_by_chrome:v8:heap:allocated_objects_size_max
Relative Change: None

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/linux_perf_bisect/builds/6864
Job details: https://chromeperf.appspot.com/buildbucket_job_status/8994486918413660560


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5271055134883840

| 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 Tests>AutoBisect.  Thank you!
Project Member

Comment 6 by 42576172...@developer.gserviceaccount.com, Dec 9 2016

Mergedinto: 669603
Status: Duplicate (was: Assigned)

===== BISECT JOB RESULTS =====
Status: completed


===== SUSPECTED CL(s) =====
Subject : [ic] Remove names table from type feedback metadata.
Author  : ishell
Commit description:
  
BUG=chromium:576312, v8:5561

Review-Url: https://codereview.chromium.org/2515233002
Cr-Commit-Position: refs/heads/master@{#41130}
Commit  : 7d61ddfa912cd2c9f219054b076d895638cb6147
Date    : Mon Nov 21 10:46:16 2016


===== TESTED REVISIONS =====
Revision                       Mean      Std Dev  N   Good?
chromium@433555                26936072  111056   8   good
chromium@433588                26946437  115635   8   good
chromium@433604                26935740  96026.6  8   good
chromium@433606                26924155  37549.0  8   good
chromium@433606,v8@1834ab7246  26928320  42691.2  8   good
chromium@433606,v8@7d61ddfa91  26847342  56191.5  5   bad    <--
chromium@433606,v8@b94b53a28c  26833090  6558.24  5   bad
chromium@433606,v8@4513532f63  26834943  19230.4  5   bad
chromium@433606,v8@4097c8503e  26844149  110305   12  bad
chromium@433607                26850943  97920.2  8   bad
chromium@433608                26837519  15658.6  5   bad
chromium@433612                26833727  12452.7  5   bad
chromium@433620                26842579  34051.4  5   bad
chromium@433684                26797427  14186.9  5   bad
chromium@433812                26824382  83377.8  5   bad
chromium@434068                27670375  31826.0  5   bad
chromium@434580                27797426  44738.4  5   bad

Bisect job ran on: linux_perf_bisect
Bug ID: 670210

Test Command: src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=tumblr v8.infinite_scroll_tbmv2
Test Metric: memory:chrome:all_processes:reported_by_chrome:v8:heap:old_space:allocated_objects_size_avg/tumblr
Relative Change: 3.20%

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/linux_perf_bisect/builds/6921
Job details: https://chromeperf.appspot.com/buildbucket_job_status/8993758773231122704


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5891167915343872

| 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 Tests>AutoBisect.  Thank you!
Project Member

Comment 7 by 42576172...@developer.gserviceaccount.com, Dec 10 2016 


===== BISECT JOB RESULTS =====
Status: failed


===== TESTED REVISIONS =====
Revision         Mean      Std Dev  N   Good?
chromium@433555  32113116  185459   8   good
chromium@433684  32000021  328228   18  good
chromium@433739  31965903  254252   27  unknown
chromium@433740  31960509  234299   27  unknown
chromium@433741  31977060  295748   27  unknown
chromium@433742  31963534  244648   27  unknown
chromium@433743  31972068  257634   27  unknown
chromium@433744  31958249  220173   27  unknown
chromium@433745  31968128  209797   27  unknown
chromium@433746  31974981  310217   27  unknown
chromium@433747  31978525  347184   27  unknown
chromium@433748  31971623  264340   27  unknown
chromium@433749  31946682  73319.7  27  unknown
chromium@433750  31967632  246200   27  unknown
chromium@433751  31960440  210703   27  unknown
chromium@433752  31973869  318694   27  unknown
chromium@433753  31966440  253685   27  unknown
chromium@433754  31968979  237326   27  unknown
chromium@433755  31980240  316241   27  unknown
chromium@433756  31958613  181814   27  unknown
chromium@433757  31959020  151554   27  unknown
chromium@433758  31957663  63751.6  18  good
chromium@433784  31955991  165852   27  unknown
chromium@433785  31951078  173127   27  unknown
chromium@433786  31965127  268637   27  unknown
chromium@433787  31969468  189841   18  good
chromium@433798  31971007  307481   27  unknown
chromium@433799  31963531  224344   27  unknown
chromium@433800  31970223  266788   27  unknown
chromium@433801  31958438  218064   27  unknown
chromium@433812  31946997  54641.9  18  bad
chromium@434068  32859230  136984   5   bad
chromium@434580  33199229  528143   5   bad

Bisect job ran on: linux_perf_bisect
Bug ID: 670210

Test Command: src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=tumblr v8.infinite_scroll_tbmv2
Test Metric: memory:chrome:all_processes:reported_by_chrome:v8:heap:allocated_objects_size_avg/tumblr
Relative Change: 3.38%

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/linux_perf_bisect/builds/6920
Job details: https://chromeperf.appspot.com/buildbucket_job_status/8993758833681707328


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5260703760384000

| 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 Tests>AutoBisect.  Thank you!
Project Member

Comment 10 by 42576172...@developer.gserviceaccount.com, Apr 11 2017 


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

Bisect Details
  Configuration: linux_perf_bisect
  Benchmark    : v8.infinite_scroll_tbmv2
  Metric       : memory:chrome:all_processes:reported_by_chrome:v8:heap:allocated_objects_size_avg/tumblr

Suspected Commit Range
  5 commits in range
  https://chromium.googlesource.com/chromium/src/+log/704f80fbba70122ef0223542c6b798e33369556d..1e273061faf0c08a1650008db5dd3b77829123a2


Revision             Result                   N
chromium@433555      32113116 +- 185459       8       good
chromium@433684      32000021 +- 328228       18      good
chromium@433739      31965903 +- 254252       27      unknown
chromium@433740      31960509 +- 234299       27      unknown
chromium@433741      31977060 +- 295748       27      unknown
chromium@433742      31963534 +- 244648       27      unknown
chromium@433743      31972068 +- 257634       27      unknown
chromium@433744      31958249 +- 220173       27      unknown
chromium@433745      31968128 +- 209797       27      unknown
chromium@433746      31974981 +- 310217       27      unknown
chromium@433747      31978525 +- 347184       27      unknown
chromium@433748      31971623 +- 264340       27      unknown
chromium@433749      31946682 +- 73319.7      27      unknown
chromium@433750      31967632 +- 246200       27      unknown
chromium@433751      31960440 +- 210703       27      unknown
chromium@433752      31973869 +- 318694       27      unknown
chromium@433753      31966440 +- 253685       27      unknown
chromium@433754      31968979 +- 237326       27      unknown
chromium@433755      31980240 +- 316241       27      unknown
chromium@433756      31958613 +- 181814       27      unknown
chromium@433757      31959020 +- 151554       27      unknown
chromium@433758      31957663 +- 63751.6      18      good
chromium@433784      31955991 +- 165852       27      unknown
chromium@433785      31951078 +- 173127       27      unknown
chromium@433786      31965127 +- 268637       27      unknown
chromium@433787      31969468 +- 189841       18      good
chromium@433798      31971007 +- 307481       27      unknown
chromium@433799      31963531 +- 224344       27      unknown
chromium@433800      31970223 +- 266788       27      unknown
chromium@433801      31958438 +- 218064       27      unknown
chromium@433812      31946997 +- 54641.9      18      bad
chromium@434068      32859230 +- 136984       5       bad
chromium@434580      33199229 +- 528143       5       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=tumblr v8.infinite_scroll_tbmv2

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8982632348848120304

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5260703760384000


| 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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